Cysylltau cyflym:
yn ôl math o eiddo
yn ôl statws y prynwr
yn ôl statws cyllido
yn ôl statws yr eiddo
Ystadegau Prisiau Tai
Math o eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol ar gyfer pob math o eiddo neu ganolbwyntio ar un penodol.
Dyddiad
|
Tai ar wahân
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2011
|
281291.0
|
158009.0
|
124695.0
|
Chwefror 2011
|
277951.0
|
156579.0
|
123775.0
|
Mawrth 2011
|
276079.0
|
155164.0
|
122698.0
|
Ebrill 2011
|
270506.0
|
152634.0
|
120472.0
|
Mai 2011
|
266919.0
|
151008.0
|
119708.0
|
Mehefin 2011
|
264650.0
|
150034.0
|
119093.0
|
Gorffennaf 2011
|
267873.0
|
152295.0
|
121156.0
|
Awst 2011
|
270906.0
|
153342.0
|
120705.0
|
Medi 2011
|
274568.0
|
154654.0
|
120979.0
|
Hydref 2011
|
274646.0
|
153422.0
|
119579.0
|
Tachwedd 2011
|
272032.0
|
152034.0
|
119407.0
|
Rhagfyr 2011
|
271239.0
|
151587.0
|
119632.0
|
Ionawr 2012
|
269821.0
|
150957.0
|
118587.0
|
Chwefror 2012
|
273603.0
|
153251.0
|
119710.0
|
Mawrth 2012
|
272318.0
|
153755.0
|
119679.0
|
Ebrill 2012
|
275183.0
|
155501.0
|
121709.0
|
Mai 2012
|
274769.0
|
155534.0
|
121692.0
|
Mehefin 2012
|
278020.0
|
156994.0
|
122246.0
|
Gorffennaf 2012
|
278214.0
|
157272.0
|
121749.0
|
Awst 2012
|
272110.0
|
153803.0
|
118123.0
|
Medi 2012
|
270021.0
|
152330.0
|
116766.0
|
Hydref 2012
|
265698.0
|
149973.0
|
115175.0
|
Tachwedd 2012
|
269114.0
|
152179.0
|
116964.0
|
Rhagfyr 2012
|
267018.0
|
150924.0
|
116311.0
|
Ionawr 2013
|
268149.0
|
151549.0
|
116327.0
|
Chwefror 2013
|
266912.0
|
150789.0
|
115912.0
|
Mawrth 2013
|
266636.0
|
150720.0
|
115960.0
|
Ebrill 2013
|
267346.0
|
151255.0
|
116365.0
|
Mai 2013
|
268817.0
|
152317.0
|
117440.0
|
Mehefin 2013
|
272671.0
|
154695.0
|
118634.0
|
Gorffennaf 2013
|
274255.0
|
155943.0
|
119353.0
|
Awst 2013
|
276259.0
|
156668.0
|
119245.0
|
Medi 2013
|
278445.0
|
157530.0
|
120160.0
|
Hydref 2013
|
277618.0
|
156249.0
|
119347.0
|
Tachwedd 2013
|
277939.0
|
156181.0
|
119516.0
|
Rhagfyr 2013
|
275187.0
|
154928.0
|
118960.0
|
Ionawr 2014
|
276524.0
|
155707.0
|
119551.0
|
Chwefror 2014
|
278574.0
|
156531.0
|
120181.0
|
Mawrth 2014
|
280896.0
|
157548.0
|
120449.0
|
Ebrill 2014
|
281215.0
|
158196.0
|
120615.0
|
Mai 2014
|
279254.0
|
157913.0
|
120225.0
|
Mehefin 2014
|
277730.0
|
157103.0
|
119387.0
|
Gorffennaf 2014
|
281141.0
|
158882.0
|
120332.0
|
Awst 2014
|
283301.0
|
159497.0
|
120346.0
|
Medi 2014
|
290112.0
|
163225.0
|
123010.0
|
Hydref 2014
|
290735.0
|
163293.0
|
123610.0
|
Tachwedd 2014
|
291705.0
|
163611.0
|
124204.0
|
Rhagfyr 2014
|
289231.0
|
161852.0
|
123258.0
|
Ionawr 2015
|
287784.0
|
160885.0
|
122632.0
|
Chwefror 2015
|
287779.0
|
160850.0
|
122999.0
|
Mawrth 2015
|
289075.0
|
161175.0
|
123550.0
|
Ebrill 2015
|
292933.0
|
163174.0
|
124765.0
|
Mai 2015
|
295858.0
|
164816.0
|
125891.0
|
Mehefin 2015
|
296815.0
|
165822.0
|
125645.0
|
Gorffennaf 2015
|
297102.0
|
166057.0
|
125735.0
|
Awst 2015
|
298951.0
|
166831.0
|
125819.0
|
Medi 2015
|
303080.0
|
168280.0
|
127374.0
|
Hydref 2015
|
305354.0
|
169305.0
|
127836.0
|
Tachwedd 2015
|
306547.0
|
169681.0
|
128219.0
|
Rhagfyr 2015
|
307089.0
|
169928.0
|
128127.0
|
Ionawr 2016
|
303694.0
|
167846.0
|
126825.0
|
Chwefror 2016
|
301849.0
|
166787.0
|
125866.0
|
Mawrth 2016
|
307330.0
|
169708.0
|
128568.0
|
Ebrill 2016
|
306066.0
|
169274.0
|
128158.0
|
Mai 2016
|
304401.0
|
169491.0
|
128825.0
|
Mehefin 2016
|
295169.0
|
164734.0
|
124974.0
|
Gorffennaf 2016
|
297479.0
|
166256.0
|
126184.0
|
Awst 2016
|
300903.0
|
167604.0
|
126956.0
|
Medi 2016
|
302629.0
|
168313.0
|
127683.0
|
Hydref 2016
|
304899.0
|
168626.0
|
128718.0
|
Tachwedd 2016
|
307645.0
|
168785.0
|
129508.0
|
Rhagfyr 2016
|
307260.0
|
168382.0
|
129678.0
|
Ionawr 2017
|
307685.0
|
168498.0
|
129634.0
|
Chwefror 2017
|
308028.0
|
169294.0
|
131059.0
|
Mawrth 2017
|
309696.0
|
169778.0
|
131746.0
|
Ebrill 2017
|
311432.0
|
170874.0
|
133083.0
|
Mai 2017
|
309830.0
|
170170.0
|
132714.0
|
Mehefin 2017
|
311096.0
|
171651.0
|
134025.0
|
Gorffennaf 2017
|
312780.0
|
172710.0
|
135038.0
|
Awst 2017
|
316709.0
|
174954.0
|
135980.0
|
Medi 2017
|
321865.0
|
177335.0
|
137435.0
|
Hydref 2017
|
324548.0
|
178616.0
|
137835.0
|
Tachwedd 2017
|
323772.0
|
177887.0
|
137289.0
|
Rhagfyr 2017
|
323481.0
|
177692.0
|
136973.0
|
Ionawr 2018
|
326927.0
|
179495.0
|
138466.0
|
Chwefror 2018
|
327866.0
|
179898.0
|
138266.0
|
Mawrth 2018
|
328446.0
|
180394.0
|
138152.0
|
Ebrill 2018
|
323926.0
|
178306.0
|
135577.0
|
Mai 2018
|
326727.0
|
179748.0
|
136148.0
|
Mehefin 2018
|
326989.0
|
179883.0
|
136397.0
|
Gorffennaf 2018
|
330346.0
|
181258.0
|
137408.0
|
Awst 2018
|
331892.0
|
182468.0
|
138149.0
|
Medi 2018
|
335524.0
|
184160.0
|
138897.0
|
Hydref 2018
|
336290.0
|
184522.0
|
139453.0
|
Tachwedd 2018
|
339199.0
|
185375.0
|
140042.0
|
Rhagfyr 2018
|
335595.0
|
183364.0
|
139113.0
|
Ionawr 2019
|
336721.0
|
183428.0
|
139139.0
|
Dyddiad
|
Tai ar wahân
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2011
|
5.5
|
3.4
|
2.6
|
Chwefror 2011
|
3.3
|
1.9
|
1.6
|
Mawrth 2011
|
0.8
|
-0.2
|
-0.7
|
Ebrill 2011
|
-3.0
|
-3.8
|
-4.8
|
Mai 2011
|
-4.7
|
-5.5
|
-6.0
|
Mehefin 2011
|
-4.8
|
-5.5
|
-5.4
|
Gorffennaf 2011
|
-3.2
|
-3.2
|
-2.1
|
Awst 2011
|
-3.1
|
-3.1
|
-2.6
|
Medi 2011
|
-3.2
|
-3.1
|
-2.9
|
Hydref 2011
|
-3.8
|
-4.6
|
-5.1
|
Tachwedd 2011
|
-4.5
|
-5.0
|
-5.1
|
Rhagfyr 2011
|
-3.5
|
-4.2
|
-4.0
|
Ionawr 2012
|
-4.1
|
-4.5
|
-4.9
|
Chwefror 2012
|
-1.6
|
-2.1
|
-3.3
|
Mawrth 2012
|
-1.4
|
-0.9
|
-2.5
|
Ebrill 2012
|
1.7
|
1.9
|
1.0
|
Mai 2012
|
2.9
|
3.0
|
1.7
|
Mehefin 2012
|
5.0
|
4.6
|
2.6
|
Gorffennaf 2012
|
3.9
|
3.3
|
0.5
|
Awst 2012
|
0.4
|
0.3
|
-2.1
|
Medi 2012
|
-1.7
|
-1.5
|
-3.5
|
Hydref 2012
|
-3.3
|
-2.2
|
-3.7
|
Tachwedd 2012
|
-1.1
|
0.1
|
-2.0
|
Rhagfyr 2012
|
-1.6
|
-0.4
|
-2.8
|
Ionawr 2013
|
-0.6
|
0.4
|
-1.9
|
Chwefror 2013
|
-2.4
|
-1.6
|
-3.2
|
Mawrth 2013
|
-2.1
|
-2.0
|
-3.1
|
Ebrill 2013
|
-2.8
|
-2.7
|
-4.4
|
Mai 2013
|
-2.2
|
-2.1
|
-3.5
|
Mehefin 2013
|
-1.9
|
-1.5
|
-3.0
|
Gorffennaf 2013
|
-1.4
|
-0.8
|
-2.0
|
Awst 2013
|
1.5
|
1.9
|
1.0
|
Medi 2013
|
3.1
|
3.4
|
2.9
|
Hydref 2013
|
4.5
|
4.2
|
3.6
|
Tachwedd 2013
|
3.3
|
2.6
|
2.2
|
Rhagfyr 2013
|
3.1
|
2.6
|
2.3
|
Ionawr 2014
|
3.1
|
2.7
|
2.8
|
Chwefror 2014
|
4.4
|
3.8
|
3.7
|
Mawrth 2014
|
5.4
|
4.5
|
3.9
|
Ebrill 2014
|
5.2
|
4.6
|
3.6
|
Mai 2014
|
3.9
|
3.7
|
2.4
|
Mehefin 2014
|
1.9
|
1.6
|
0.6
|
Gorffennaf 2014
|
2.5
|
1.9
|
0.8
|
Awst 2014
|
2.6
|
1.8
|
0.9
|
Medi 2014
|
4.2
|
3.6
|
2.4
|
Hydref 2014
|
4.7
|
4.5
|
3.6
|
Tachwedd 2014
|
5.0
|
4.8
|
3.9
|
Rhagfyr 2014
|
5.1
|
4.5
|
3.6
|
Ionawr 2015
|
4.1
|
3.3
|
2.6
|
Chwefror 2015
|
3.3
|
2.8
|
2.4
|
Mawrth 2015
|
2.9
|
2.3
|
2.6
|
Ebrill 2015
|
4.2
|
3.2
|
3.4
|
Mai 2015
|
6.0
|
4.4
|
4.7
|
Mehefin 2015
|
6.9
|
5.6
|
5.2
|
Gorffennaf 2015
|
5.7
|
4.5
|
4.5
|
Awst 2015
|
5.5
|
4.6
|
4.6
|
Medi 2015
|
4.5
|
3.1
|
3.6
|
Hydref 2015
|
5.0
|
3.7
|
3.4
|
Tachwedd 2015
|
5.1
|
3.7
|
3.2
|
Rhagfyr 2015
|
6.2
|
5.0
|
4.0
|
Ionawr 2016
|
5.5
|
4.3
|
3.4
|
Chwefror 2016
|
4.9
|
3.7
|
2.3
|
Mawrth 2016
|
6.3
|
5.3
|
4.1
|
Ebrill 2016
|
4.5
|
3.7
|
2.7
|
Mai 2016
|
2.9
|
2.8
|
2.3
|
Mehefin 2016
|
-0.6
|
-0.7
|
-0.5
|
Gorffennaf 2016
|
0.1
|
0.1
|
0.4
|
Awst 2016
|
0.6
|
0.5
|
0.9
|
Medi 2016
|
-0.2
|
0.0
|
0.2
|
Hydref 2016
|
-0.2
|
-0.4
|
0.7
|
Tachwedd 2016
|
0.4
|
-0.5
|
1.0
|
Rhagfyr 2016
|
0.1
|
-0.9
|
1.2
|
Ionawr 2017
|
1.3
|
0.4
|
2.2
|
Chwefror 2017
|
2.0
|
1.5
|
4.1
|
Mawrth 2017
|
0.8
|
0.0
|
2.5
|
Ebrill 2017
|
2.4
|
1.6
|
3.8
|
Mai 2017
|
2.2
|
0.8
|
3.1
|
Mehefin 2017
|
5.4
|
4.2
|
7.2
|
Gorffennaf 2017
|
5.1
|
3.9
|
7.0
|
Awst 2017
|
5.2
|
4.4
|
7.1
|
Medi 2017
|
6.4
|
5.4
|
7.6
|
Hydref 2017
|
6.4
|
5.9
|
7.1
|
Tachwedd 2017
|
5.2
|
5.4
|
6.0
|
Rhagfyr 2017
|
5.3
|
5.5
|
5.6
|
Ionawr 2018
|
6.2
|
6.5
|
6.8
|
Chwefror 2018
|
6.4
|
6.3
|
5.5
|
Mawrth 2018
|
6.0
|
6.2
|
4.9
|
Ebrill 2018
|
4.0
|
4.4
|
1.9
|
Mai 2018
|
5.4
|
5.6
|
2.6
|
Mehefin 2018
|
5.1
|
4.8
|
1.8
|
Gorffennaf 2018
|
5.6
|
5.0
|
1.8
|
Awst 2018
|
4.8
|
4.3
|
1.6
|
Medi 2018
|
4.2
|
3.8
|
1.1
|
Hydref 2018
|
3.6
|
3.3
|
1.2
|
Tachwedd 2018
|
4.8
|
4.2
|
2.0
|
Rhagfyr 2018
|
3.7
|
3.2
|
1.6
|
Ionawr 2019
|
3.0
|
2.2
|
0.5
|
Dyddiad
|
Tai ar wahân
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2011
|
0.0
|
-0.2
|
0.1
|
Chwefror 2011
|
-1.2
|
-0.9
|
-0.7
|
Mawrth 2011
|
-0.7
|
-0.9
|
-0.9
|
Ebrill 2011
|
-2.0
|
-1.6
|
-1.8
|
Mai 2011
|
-1.3
|
-1.1
|
-0.6
|
Mehefin 2011
|
-0.8
|
-0.6
|
-0.5
|
Gorffennaf 2011
|
1.2
|
1.5
|
1.7
|
Awst 2011
|
1.1
|
0.7
|
-0.4
|
Medi 2011
|
1.4
|
0.9
|
0.2
|
Hydref 2011
|
0.0
|
-0.8
|
-1.2
|
Tachwedd 2011
|
-1.0
|
-0.9
|
-0.1
|
Rhagfyr 2011
|
-0.3
|
-0.3
|
0.2
|
Ionawr 2012
|
-0.5
|
-0.4
|
-0.9
|
Chwefror 2012
|
1.4
|
1.5
|
1.0
|
Mawrth 2012
|
-0.5
|
0.3
|
-0.0
|
Ebrill 2012
|
1.0
|
1.1
|
1.7
|
Mai 2012
|
-0.2
|
0.0
|
-0.0
|
Mehefin 2012
|
1.2
|
0.9
|
0.5
|
Gorffennaf 2012
|
0.1
|
0.2
|
-0.4
|
Awst 2012
|
-2.2
|
-2.2
|
-3.0
|
Medi 2012
|
-0.8
|
-1.0
|
-1.2
|
Hydref 2012
|
-1.6
|
-1.6
|
-1.4
|
Tachwedd 2012
|
1.3
|
1.5
|
1.6
|
Rhagfyr 2012
|
-0.8
|
-0.8
|
-0.6
|
Ionawr 2013
|
0.4
|
0.4
|
0.0
|
Chwefror 2013
|
-0.5
|
-0.5
|
-0.4
|
Mawrth 2013
|
-0.1
|
-0.1
|
0.0
|
Ebrill 2013
|
0.3
|
0.4
|
0.4
|
Mai 2013
|
0.6
|
0.7
|
0.9
|
Mehefin 2013
|
1.4
|
1.6
|
1.0
|
Gorffennaf 2013
|
0.6
|
0.8
|
0.6
|
Awst 2013
|
0.7
|
0.5
|
-0.1
|
Medi 2013
|
0.8
|
0.6
|
0.8
|
Hydref 2013
|
-0.3
|
-0.8
|
-0.7
|
Tachwedd 2013
|
0.1
|
-0.0
|
0.1
|
Rhagfyr 2013
|
-1.0
|
-0.8
|
-0.5
|
Ionawr 2014
|
0.5
|
0.5
|
0.5
|
Chwefror 2014
|
0.7
|
0.5
|
0.5
|
Mawrth 2014
|
0.8
|
0.6
|
0.2
|
Ebrill 2014
|
0.1
|
0.4
|
0.1
|
Mai 2014
|
-0.7
|
-0.2
|
-0.3
|
Mehefin 2014
|
-0.6
|
-0.5
|
-0.7
|
Gorffennaf 2014
|
1.2
|
1.1
|
0.8
|
Awst 2014
|
0.8
|
0.4
|
0.0
|
Medi 2014
|
2.4
|
2.3
|
2.2
|
Hydref 2014
|
0.2
|
0.0
|
0.5
|
Tachwedd 2014
|
0.3
|
0.2
|
0.5
|
Rhagfyr 2014
|
-0.8
|
-1.1
|
-0.8
|
Ionawr 2015
|
-0.5
|
-0.6
|
-0.5
|
Chwefror 2015
|
0.0
|
-0.0
|
0.3
|
Mawrth 2015
|
0.4
|
0.2
|
0.4
|
Ebrill 2015
|
1.3
|
1.2
|
1.0
|
Mai 2015
|
1.0
|
1.0
|
0.9
|
Mehefin 2015
|
0.3
|
0.6
|
-0.2
|
Gorffennaf 2015
|
0.1
|
0.1
|
0.1
|
Awst 2015
|
0.6
|
0.5
|
0.1
|
Medi 2015
|
1.4
|
0.9
|
1.2
|
Hydref 2015
|
0.8
|
0.6
|
0.4
|
Tachwedd 2015
|
0.4
|
0.2
|
0.3
|
Rhagfyr 2015
|
0.2
|
0.2
|
-0.1
|
Ionawr 2016
|
-1.1
|
-1.2
|
-1.0
|
Chwefror 2016
|
-0.6
|
-0.6
|
-0.8
|
Mawrth 2016
|
1.8
|
1.8
|
2.2
|
Ebrill 2016
|
-0.4
|
-0.3
|
-0.3
|
Mai 2016
|
-0.5
|
0.1
|
0.5
|
Mehefin 2016
|
-3.0
|
-2.8
|
-3.0
|
Gorffennaf 2016
|
0.8
|
0.9
|
1.0
|
Awst 2016
|
1.2
|
0.8
|
0.6
|
Medi 2016
|
0.6
|
0.4
|
0.6
|
Hydref 2016
|
0.8
|
0.2
|
0.8
|
Tachwedd 2016
|
0.9
|
0.1
|
0.6
|
Rhagfyr 2016
|
-0.1
|
-0.2
|
0.1
|
Ionawr 2017
|
0.1
|
0.1
|
-0.0
|
Chwefror 2017
|
0.1
|
0.5
|
1.1
|
Mawrth 2017
|
0.5
|
0.3
|
0.5
|
Ebrill 2017
|
0.6
|
0.6
|
1.0
|
Mai 2017
|
-0.5
|
-0.4
|
-0.3
|
Mehefin 2017
|
0.4
|
0.9
|
1.0
|
Gorffennaf 2017
|
0.5
|
0.6
|
0.8
|
Awst 2017
|
1.3
|
1.3
|
0.7
|
Medi 2017
|
1.6
|
1.4
|
1.1
|
Hydref 2017
|
0.8
|
0.7
|
0.3
|
Tachwedd 2017
|
-0.2
|
-0.4
|
-0.4
|
Rhagfyr 2017
|
-0.1
|
-0.1
|
-0.2
|
Ionawr 2018
|
1.1
|
1.0
|
1.1
|
Chwefror 2018
|
0.3
|
0.2
|
-0.1
|
Mawrth 2018
|
0.2
|
0.3
|
-0.1
|
Ebrill 2018
|
-1.4
|
-1.2
|
-1.9
|
Mai 2018
|
0.9
|
0.8
|
0.4
|
Mehefin 2018
|
0.1
|
0.1
|
0.2
|
Gorffennaf 2018
|
1.0
|
0.8
|
0.7
|
Awst 2018
|
0.5
|
0.7
|
0.5
|
Medi 2018
|
1.1
|
0.9
|
0.5
|
Hydref 2018
|
0.2
|
0.2
|
0.4
|
Tachwedd 2018
|
0.9
|
0.5
|
0.4
|
Rhagfyr 2018
|
-1.1
|
-1.1
|
-0.7
|
Ionawr 2019
|
0.3
|
0.0
|
0.0
|
Dyddiad
|
Tai ar wahân
|
Tai teras
|
Fflatiau a fflatiau deulawr
|
Ionawr 2011
|
97.7
|
98.2
|
101.7
|
Chwefror 2011
|
96.6
|
97.3
|
100.9
|
Mawrth 2011
|
95.9
|
96.4
|
100.0
|
Ebrill 2011
|
94.0
|
94.9
|
98.2
|
Mai 2011
|
92.8
|
93.9
|
97.6
|
Mehefin 2011
|
92.0
|
93.3
|
97.1
|
Gorffennaf 2011
|
93.1
|
94.7
|
98.8
|
Awst 2011
|
94.1
|
95.3
|
98.4
|
Medi 2011
|
95.4
|
96.1
|
98.6
|
Hydref 2011
|
95.4
|
95.4
|
97.5
|
Tachwedd 2011
|
94.5
|
94.5
|
97.4
|
Rhagfyr 2011
|
94.2
|
94.2
|
97.6
|
Ionawr 2012
|
93.8
|
93.8
|
96.7
|
Chwefror 2012
|
95.1
|
95.3
|
97.6
|
Mawrth 2012
|
94.6
|
95.6
|
97.6
|
Ebrill 2012
|
95.6
|
96.6
|
99.2
|
Mai 2012
|
95.5
|
96.7
|
99.2
|
Mehefin 2012
|
96.6
|
97.6
|
99.7
|
Gorffennaf 2012
|
96.7
|
97.8
|
99.3
|
Awst 2012
|
94.6
|
95.6
|
96.3
|
Medi 2012
|
93.8
|
94.7
|
95.2
|
Hydref 2012
|
92.3
|
93.2
|
93.9
|
Tachwedd 2012
|
93.5
|
94.6
|
95.4
|
Rhagfyr 2012
|
92.8
|
93.8
|
94.8
|
Ionawr 2013
|
93.2
|
94.2
|
94.9
|
Chwefror 2013
|
92.8
|
93.7
|
94.5
|
Mawrth 2013
|
92.6
|
93.7
|
94.6
|
Ebrill 2013
|
92.9
|
94.0
|
94.9
|
Mai 2013
|
93.4
|
94.7
|
95.8
|
Mehefin 2013
|
94.8
|
96.2
|
96.7
|
Gorffennaf 2013
|
95.3
|
96.9
|
97.3
|
Awst 2013
|
96.0
|
97.4
|
97.2
|
Medi 2013
|
96.8
|
97.9
|
98.0
|
Hydref 2013
|
96.5
|
97.1
|
97.3
|
Tachwedd 2013
|
96.6
|
97.1
|
97.5
|
Rhagfyr 2013
|
95.6
|
96.3
|
97.0
|
Ionawr 2014
|
96.1
|
96.8
|
97.5
|
Chwefror 2014
|
96.8
|
97.3
|
98.0
|
Mawrth 2014
|
97.6
|
97.9
|
98.2
|
Ebrill 2014
|
97.7
|
98.3
|
98.4
|
Mai 2014
|
97.0
|
98.2
|
98.0
|
Mehefin 2014
|
96.5
|
97.6
|
97.4
|
Gorffennaf 2014
|
97.7
|
98.8
|
98.1
|
Awst 2014
|
98.4
|
99.1
|
98.1
|
Medi 2014
|
100.8
|
101.4
|
100.3
|
Hydref 2014
|
101.0
|
101.5
|
100.8
|
Tachwedd 2014
|
101.4
|
101.7
|
101.3
|
Rhagfyr 2014
|
100.5
|
100.6
|
100.5
|
Ionawr 2015
|
100.0
|
100.0
|
100.0
|
Chwefror 2015
|
100.0
|
100.0
|
100.3
|
Mawrth 2015
|
100.4
|
100.2
|
100.8
|
Ebrill 2015
|
101.8
|
101.4
|
101.7
|
Mai 2015
|
102.8
|
102.4
|
102.7
|
Mehefin 2015
|
103.1
|
103.1
|
102.5
|
Gorffennaf 2015
|
103.2
|
103.2
|
102.5
|
Awst 2015
|
103.9
|
103.7
|
102.6
|
Medi 2015
|
105.3
|
104.6
|
103.9
|
Hydref 2015
|
106.1
|
105.2
|
104.2
|
Tachwedd 2015
|
106.5
|
105.5
|
104.6
|
Rhagfyr 2015
|
106.7
|
105.6
|
104.5
|
Ionawr 2016
|
105.5
|
104.3
|
103.4
|
Chwefror 2016
|
104.9
|
103.7
|
102.6
|
Mawrth 2016
|
106.8
|
105.5
|
104.8
|
Ebrill 2016
|
106.4
|
105.2
|
104.5
|
Mai 2016
|
105.8
|
105.4
|
105.0
|
Mehefin 2016
|
102.6
|
102.4
|
101.9
|
Gorffennaf 2016
|
103.4
|
103.3
|
102.9
|
Awst 2016
|
104.6
|
104.2
|
103.5
|
Medi 2016
|
105.2
|
104.6
|
104.1
|
Hydref 2016
|
106.0
|
104.8
|
105.0
|
Tachwedd 2016
|
106.9
|
104.9
|
105.6
|
Rhagfyr 2016
|
106.8
|
104.7
|
105.8
|
Ionawr 2017
|
106.9
|
104.7
|
105.7
|
Chwefror 2017
|
107.0
|
105.2
|
106.9
|
Mawrth 2017
|
107.6
|
105.5
|
107.4
|
Ebrill 2017
|
108.2
|
106.2
|
108.5
|
Mai 2017
|
107.7
|
105.8
|
108.2
|
Mehefin 2017
|
108.1
|
106.7
|
109.3
|
Gorffennaf 2017
|
108.7
|
107.4
|
110.1
|
Awst 2017
|
110.0
|
108.8
|
110.9
|
Medi 2017
|
111.8
|
110.2
|
112.1
|
Hydref 2017
|
112.8
|
111.0
|
112.4
|
Tachwedd 2017
|
112.5
|
110.6
|
112.0
|
Rhagfyr 2017
|
112.4
|
110.4
|
111.7
|
Ionawr 2018
|
113.6
|
111.6
|
112.9
|
Chwefror 2018
|
113.9
|
111.8
|
112.8
|
Mawrth 2018
|
114.1
|
112.1
|
112.7
|
Ebrill 2018
|
112.6
|
110.8
|
110.6
|
Mai 2018
|
113.5
|
111.7
|
111.0
|
Mehefin 2018
|
113.6
|
111.8
|
111.2
|
Gorffennaf 2018
|
114.8
|
112.7
|
112.0
|
Awst 2018
|
115.3
|
113.4
|
112.6
|
Medi 2018
|
116.6
|
114.5
|
113.3
|
Hydref 2018
|
116.8
|
114.7
|
113.7
|
Tachwedd 2018
|
117.9
|
115.2
|
114.2
|
Rhagfyr 2018
|
116.6
|
114.0
|
113.4
|
Ionawr 2019
|
117.0
|
114.0
|
113.5
|
Statws y prynwr
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol yn ôl y math o brynwr e.e. Prynwr am y Tro Cyntaf neu Gyn Berchen-Feddiannydd
Dyddiad
|
Cyn berchen-feddianwyr
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
211796.0
|
Chwefror 2012
|
215678.0
|
Mawrth 2012
|
214481.0
|
Ebrill 2012
|
216839.0
|
Mai 2012
|
216658.0
|
Mehefin 2012
|
218968.0
|
Gorffennaf 2012
|
219158.0
|
Awst 2012
|
214232.0
|
Medi 2012
|
212322.0
|
Hydref 2012
|
208978.0
|
Tachwedd 2012
|
211769.0
|
Rhagfyr 2012
|
210095.0
|
Ionawr 2013
|
211023.0
|
Chwefror 2013
|
210056.0
|
Mawrth 2013
|
209922.0
|
Ebrill 2013
|
210443.0
|
Mai 2013
|
211847.0
|
Mehefin 2013
|
214987.0
|
Gorffennaf 2013
|
216435.0
|
Awst 2013
|
217691.0
|
Medi 2013
|
219126.0
|
Hydref 2013
|
217964.0
|
Tachwedd 2013
|
218071.0
|
Rhagfyr 2013
|
216261.0
|
Ionawr 2014
|
217293.0
|
Chwefror 2014
|
218575.0
|
Mawrth 2014
|
220090.0
|
Ebrill 2014
|
220562.0
|
Mai 2014
|
219553.0
|
Mehefin 2014
|
218354.0
|
Gorffennaf 2014
|
220895.0
|
Awst 2014
|
222145.0
|
Medi 2014
|
227365.0
|
Hydref 2014
|
227742.0
|
Tachwedd 2014
|
228431.0
|
Rhagfyr 2014
|
226320.0
|
Ionawr 2015
|
225167.0
|
Chwefror 2015
|
225200.0
|
Mawrth 2015
|
226055.0
|
Ebrill 2015
|
228854.0
|
Mai 2015
|
231148.0
|
Mehefin 2015
|
231998.0
|
Gorffennaf 2015
|
232326.0
|
Awst 2015
|
233512.0
|
Medi 2015
|
236244.0
|
Hydref 2015
|
237735.0
|
Tachwedd 2015
|
238531.0
|
Rhagfyr 2015
|
238890.0
|
Ionawr 2016
|
236321.0
|
Chwefror 2016
|
234812.0
|
Mawrth 2016
|
239080.0
|
Ebrill 2016
|
238067.0
|
Mai 2016
|
237434.0
|
Mehefin 2016
|
230334.0
|
Gorffennaf 2016
|
232315.0
|
Awst 2016
|
234639.0
|
Medi 2016
|
235994.0
|
Hydref 2016
|
237397.0
|
Tachwedd 2016
|
238862.0
|
Rhagfyr 2016
|
238412.0
|
Ionawr 2017
|
238604.0
|
Chwefror 2017
|
239253.0
|
Mawrth 2017
|
240407.0
|
Ebrill 2017
|
241854.0
|
Mai 2017
|
240840.0
|
Mehefin 2017
|
242322.0
|
Gorffennaf 2017
|
243839.0
|
Awst 2017
|
246911.0
|
Medi 2017
|
250620.0
|
Hydref 2017
|
252549.0
|
Tachwedd 2017
|
251752.0
|
Rhagfyr 2017
|
251491.0
|
Ionawr 2018
|
254170.0
|
Chwefror 2018
|
254618.0
|
Mawrth 2018
|
255043.0
|
Ebrill 2018
|
251495.0
|
Mai 2018
|
253670.0
|
Mehefin 2018
|
254040.0
|
Gorffennaf 2018
|
256430.0
|
Awst 2018
|
257782.0
|
Medi 2018
|
260356.0
|
Hydref 2018
|
260920.0
|
Tachwedd 2018
|
262772.0
|
Rhagfyr 2018
|
259974.0
|
Ionawr 2019
|
260589.0
|
Dyddiad
|
Cyn berchen-feddianwyr
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
|
Mawrth 2012
|
|
Ebrill 2012
|
|
Mai 2012
|
|
Mehefin 2012
|
|
Gorffennaf 2012
|
|
Awst 2012
|
|
Medi 2012
|
|
Hydref 2012
|
|
Tachwedd 2012
|
|
Rhagfyr 2012
|
|
Ionawr 2013
|
-0.4
|
Chwefror 2013
|
-2.6
|
Mawrth 2013
|
-2.1
|
Ebrill 2013
|
-3.0
|
Mai 2013
|
-2.2
|
Mehefin 2013
|
-1.8
|
Gorffennaf 2013
|
-1.2
|
Awst 2013
|
1.6
|
Medi 2013
|
3.2
|
Hydref 2013
|
4.3
|
Tachwedd 2013
|
3.0
|
Rhagfyr 2013
|
2.9
|
Ionawr 2014
|
3.0
|
Chwefror 2014
|
4.1
|
Mawrth 2014
|
4.8
|
Ebrill 2014
|
4.8
|
Mai 2014
|
3.6
|
Mehefin 2014
|
1.6
|
Gorffennaf 2014
|
2.1
|
Awst 2014
|
2.0
|
Medi 2014
|
3.8
|
Hydref 2014
|
4.5
|
Tachwedd 2014
|
4.8
|
Rhagfyr 2014
|
4.6
|
Ionawr 2015
|
3.6
|
Chwefror 2015
|
3.0
|
Mawrth 2015
|
2.7
|
Ebrill 2015
|
3.8
|
Mai 2015
|
5.3
|
Mehefin 2015
|
6.2
|
Gorffennaf 2015
|
5.2
|
Awst 2015
|
5.1
|
Medi 2015
|
3.9
|
Hydref 2015
|
4.4
|
Tachwedd 2015
|
4.4
|
Rhagfyr 2015
|
5.6
|
Ionawr 2016
|
5.0
|
Chwefror 2016
|
4.3
|
Mawrth 2016
|
5.8
|
Ebrill 2016
|
4.0
|
Mai 2016
|
2.7
|
Mehefin 2016
|
-0.7
|
Gorffennaf 2016
|
0.0
|
Awst 2016
|
0.5
|
Medi 2016
|
-0.1
|
Hydref 2016
|
-0.1
|
Tachwedd 2016
|
0.1
|
Rhagfyr 2016
|
-0.2
|
Ionawr 2017
|
1.0
|
Chwefror 2017
|
1.9
|
Mawrth 2017
|
0.6
|
Ebrill 2017
|
2.3
|
Mai 2017
|
1.8
|
Mehefin 2017
|
5.2
|
Gorffennaf 2017
|
5.0
|
Awst 2017
|
5.2
|
Medi 2017
|
6.2
|
Hydref 2017
|
6.4
|
Tachwedd 2017
|
5.4
|
Rhagfyr 2017
|
5.5
|
Ionawr 2018
|
6.5
|
Chwefror 2018
|
6.4
|
Mawrth 2018
|
6.1
|
Ebrill 2018
|
4.0
|
Mai 2018
|
5.3
|
Mehefin 2018
|
4.8
|
Gorffennaf 2018
|
5.2
|
Awst 2018
|
4.4
|
Medi 2018
|
3.9
|
Hydref 2018
|
3.3
|
Tachwedd 2018
|
4.4
|
Rhagfyr 2018
|
3.4
|
Ionawr 2019
|
2.5
|
Dyddiad
|
Cyn berchen-feddianwyr
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
|
Chwefror 2012
|
1.8
|
Mawrth 2012
|
-0.6
|
Ebrill 2012
|
1.1
|
Mai 2012
|
-0.1
|
Mehefin 2012
|
1.1
|
Gorffennaf 2012
|
0.1
|
Awst 2012
|
-2.2
|
Medi 2012
|
-0.9
|
Hydref 2012
|
-1.6
|
Tachwedd 2012
|
1.3
|
Rhagfyr 2012
|
-0.8
|
Ionawr 2013
|
0.4
|
Chwefror 2013
|
-0.5
|
Mawrth 2013
|
-0.1
|
Ebrill 2013
|
0.2
|
Mai 2013
|
0.7
|
Mehefin 2013
|
1.5
|
Gorffennaf 2013
|
0.7
|
Awst 2013
|
0.6
|
Medi 2013
|
0.7
|
Hydref 2013
|
-0.5
|
Tachwedd 2013
|
0.1
|
Rhagfyr 2013
|
-0.8
|
Ionawr 2014
|
0.5
|
Chwefror 2014
|
0.6
|
Mawrth 2014
|
0.7
|
Ebrill 2014
|
0.2
|
Mai 2014
|
-0.5
|
Mehefin 2014
|
-0.6
|
Gorffennaf 2014
|
1.2
|
Awst 2014
|
0.6
|
Medi 2014
|
2.4
|
Hydref 2014
|
0.2
|
Tachwedd 2014
|
0.3
|
Rhagfyr 2014
|
-0.9
|
Ionawr 2015
|
-0.5
|
Chwefror 2015
|
0.0
|
Mawrth 2015
|
0.4
|
Ebrill 2015
|
1.2
|
Mai 2015
|
1.0
|
Mehefin 2015
|
0.4
|
Gorffennaf 2015
|
0.1
|
Awst 2015
|
0.5
|
Medi 2015
|
1.2
|
Hydref 2015
|
0.6
|
Tachwedd 2015
|
0.3
|
Rhagfyr 2015
|
0.2
|
Ionawr 2016
|
-1.1
|
Chwefror 2016
|
-0.6
|
Mawrth 2016
|
1.8
|
Ebrill 2016
|
-0.4
|
Mai 2016
|
-0.3
|
Mehefin 2016
|
-3.0
|
Gorffennaf 2016
|
0.9
|
Awst 2016
|
1.0
|
Medi 2016
|
0.6
|
Hydref 2016
|
0.6
|
Tachwedd 2016
|
0.6
|
Rhagfyr 2016
|
-0.2
|
Ionawr 2017
|
0.1
|
Chwefror 2017
|
0.3
|
Mawrth 2017
|
0.5
|
Ebrill 2017
|
0.6
|
Mai 2017
|
-0.4
|
Mehefin 2017
|
0.6
|
Gorffennaf 2017
|
0.6
|
Awst 2017
|
1.3
|
Medi 2017
|
1.5
|
Hydref 2017
|
0.8
|
Tachwedd 2017
|
-0.3
|
Rhagfyr 2017
|
-0.1
|
Ionawr 2018
|
1.1
|
Chwefror 2018
|
0.2
|
Mawrth 2018
|
0.2
|
Ebrill 2018
|
-1.4
|
Mai 2018
|
0.9
|
Mehefin 2018
|
0.2
|
Gorffennaf 2018
|
0.9
|
Awst 2018
|
0.5
|
Medi 2018
|
1.0
|
Hydref 2018
|
0.2
|
Tachwedd 2018
|
0.7
|
Rhagfyr 2018
|
-1.1
|
Ionawr 2019
|
0.2
|
Dyddiad
|
Cyn berchen-feddianwyr
|
Ionawr 2011
|
|
Chwefror 2011
|
|
Mawrth 2011
|
|
Ebrill 2011
|
|
Mai 2011
|
|
Mehefin 2011
|
|
Gorffennaf 2011
|
|
Awst 2011
|
|
Medi 2011
|
|
Hydref 2011
|
|
Tachwedd 2011
|
|
Rhagfyr 2011
|
|
Ionawr 2012
|
94.1
|
Chwefror 2012
|
95.8
|
Mawrth 2012
|
95.2
|
Ebrill 2012
|
96.3
|
Mai 2012
|
96.2
|
Mehefin 2012
|
97.2
|
Gorffennaf 2012
|
97.3
|
Awst 2012
|
95.1
|
Medi 2012
|
94.3
|
Hydref 2012
|
92.8
|
Tachwedd 2012
|
94.0
|
Rhagfyr 2012
|
93.3
|
Ionawr 2013
|
93.7
|
Chwefror 2013
|
93.3
|
Mawrth 2013
|
93.2
|
Ebrill 2013
|
93.5
|
Mai 2013
|
94.1
|
Mehefin 2013
|
95.5
|
Gorffennaf 2013
|
96.1
|
Awst 2013
|
96.7
|
Medi 2013
|
97.3
|
Hydref 2013
|
96.8
|
Tachwedd 2013
|
96.8
|
Rhagfyr 2013
|
96.0
|
Ionawr 2014
|
96.5
|
Chwefror 2014
|
97.1
|
Mawrth 2014
|
97.8
|
Ebrill 2014
|
98.0
|
Mai 2014
|
97.5
|
Mehefin 2014
|
97.0
|
Gorffennaf 2014
|
98.1
|
Awst 2014
|
98.7
|
Medi 2014
|
101.0
|
Hydref 2014
|
101.1
|
Tachwedd 2014
|
101.4
|
Rhagfyr 2014
|
100.5
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.0
|
Mawrth 2015
|
100.4
|
Ebrill 2015
|
101.6
|
Mai 2015
|
102.7
|
Mehefin 2015
|
103.0
|
Gorffennaf 2015
|
103.2
|
Awst 2015
|
103.7
|
Medi 2015
|
104.9
|
Hydref 2015
|
105.6
|
Tachwedd 2015
|
105.9
|
Rhagfyr 2015
|
106.1
|
Ionawr 2016
|
105.0
|
Chwefror 2016
|
104.3
|
Mawrth 2016
|
106.2
|
Ebrill 2016
|
105.7
|
Mai 2016
|
105.4
|
Mehefin 2016
|
102.3
|
Gorffennaf 2016
|
103.2
|
Awst 2016
|
104.2
|
Medi 2016
|
104.8
|
Hydref 2016
|
105.4
|
Tachwedd 2016
|
106.1
|
Rhagfyr 2016
|
105.9
|
Ionawr 2017
|
106.0
|
Chwefror 2017
|
106.3
|
Mawrth 2017
|
106.8
|
Ebrill 2017
|
107.4
|
Mai 2017
|
107.0
|
Mehefin 2017
|
107.6
|
Gorffennaf 2017
|
108.3
|
Awst 2017
|
109.7
|
Medi 2017
|
111.3
|
Hydref 2017
|
112.2
|
Tachwedd 2017
|
111.8
|
Rhagfyr 2017
|
111.7
|
Ionawr 2018
|
112.9
|
Chwefror 2018
|
113.1
|
Mawrth 2018
|
113.3
|
Ebrill 2018
|
111.7
|
Mai 2018
|
112.7
|
Mehefin 2018
|
112.8
|
Gorffennaf 2018
|
113.9
|
Awst 2018
|
114.5
|
Medi 2018
|
115.6
|
Hydref 2018
|
115.9
|
Tachwedd 2018
|
116.7
|
Rhagfyr 2018
|
115.5
|
Ionawr 2019
|
115.7
|
Statws cyllido
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl statws cyllido, e.e. Arian Parod/Morgais
Statws yr eiddo
Tracio’r mynegai, pris cyfartalog a’r newid misol a blynyddol a nifer y gwerthiannau yn ôl cyllido yn ôl statws yr eiddo, e.e. Newydd/Presennol
Dyddiad
|
Adeilad newydd
|
Ionawr 2011
|
191034.0
|
Chwefror 2011
|
190748.0
|
Mawrth 2011
|
190137.0
|
Ebrill 2011
|
187217.0
|
Mai 2011
|
186080.0
|
Mehefin 2011
|
183842.0
|
Gorffennaf 2011
|
186461.0
|
Awst 2011
|
186025.0
|
Medi 2011
|
186797.0
|
Hydref 2011
|
185291.0
|
Tachwedd 2011
|
185149.0
|
Rhagfyr 2011
|
185812.0
|
Ionawr 2012
|
184685.0
|
Chwefror 2012
|
186677.0
|
Mawrth 2012
|
187303.0
|
Ebrill 2012
|
189644.0
|
Mai 2012
|
189581.0
|
Mehefin 2012
|
189836.0
|
Gorffennaf 2012
|
187859.0
|
Awst 2012
|
181968.0
|
Medi 2012
|
179842.0
|
Hydref 2012
|
179386.0
|
Tachwedd 2012
|
184003.0
|
Rhagfyr 2012
|
184589.0
|
Ionawr 2013
|
184223.0
|
Chwefror 2013
|
182659.0
|
Mawrth 2013
|
182910.0
|
Ebrill 2013
|
184841.0
|
Mai 2013
|
186693.0
|
Mehefin 2013
|
188068.0
|
Gorffennaf 2013
|
188199.0
|
Awst 2013
|
188006.0
|
Medi 2013
|
189899.0
|
Hydref 2013
|
189851.0
|
Tachwedd 2013
|
191120.0
|
Rhagfyr 2013
|
190582.0
|
Ionawr 2014
|
191461.0
|
Chwefror 2014
|
193395.0
|
Mawrth 2014
|
194557.0
|
Ebrill 2014
|
195697.0
|
Mai 2014
|
195435.0
|
Mehefin 2014
|
194085.0
|
Gorffennaf 2014
|
195496.0
|
Awst 2014
|
194305.0
|
Medi 2014
|
197485.0
|
Hydref 2014
|
197895.0
|
Tachwedd 2014
|
198614.0
|
Rhagfyr 2014
|
197992.0
|
Ionawr 2015
|
197884.0
|
Chwefror 2015
|
199752.0
|
Mawrth 2015
|
201257.0
|
Ebrill 2015
|
203475.0
|
Mai 2015
|
204482.0
|
Mehefin 2015
|
203078.0
|
Gorffennaf 2015
|
202427.0
|
Awst 2015
|
202324.0
|
Medi 2015
|
204519.0
|
Hydref 2015
|
205705.0
|
Tachwedd 2015
|
206519.0
|
Rhagfyr 2015
|
208714.0
|
Ionawr 2016
|
206965.0
|
Chwefror 2016
|
205412.0
|
Mawrth 2016
|
205899.0
|
Ebrill 2016
|
206963.0
|
Mai 2016
|
211337.0
|
Mehefin 2016
|
208369.0
|
Gorffennaf 2016
|
208914.0
|
Awst 2016
|
207503.0
|
Medi 2016
|
208259.0
|
Hydref 2016
|
210200.0
|
Tachwedd 2016
|
212553.0
|
Rhagfyr 2016
|
213365.0
|
Ionawr 2017
|
214923.0
|
Chwefror 2017
|
216326.0
|
Mawrth 2017
|
217838.0
|
Ebrill 2017
|
217802.0
|
Mai 2017
|
216696.0
|
Mehefin 2017
|
216812.0
|
Gorffennaf 2017
|
217858.0
|
Awst 2017
|
218991.0
|
Medi 2017
|
222496.0
|
Hydref 2017
|
224581.0
|
Tachwedd 2017
|
224026.0
|
Rhagfyr 2017
|
223626.0
|
Ionawr 2018
|
227293.0
|
Chwefror 2018
|
232365.0
|
Mawrth 2018
|
234638.0
|
Ebrill 2018
|
231618.0
|
Mai 2018
|
229658.0
|
Mehefin 2018
|
228774.0
|
Gorffennaf 2018
|
229499.0
|
Awst 2018
|
231797.0
|
Medi 2018
|
233972.0
|
Hydref 2018
|
236096.0
|
Tachwedd 2018
|
235563.0
|
Rhagfyr 2018
|
233403.0
|
Ionawr 2019
|
233052.0
|
Dyddiad
|
Adeilad newydd
|
Ionawr 2011
|
5.8
|
Chwefror 2011
|
5.0
|
Mawrth 2011
|
3.1
|
Ebrill 2011
|
-1.4
|
Mai 2011
|
-2.1
|
Mehefin 2011
|
-1.9
|
Gorffennaf 2011
|
1.4
|
Awst 2011
|
0.8
|
Medi 2011
|
-0.0
|
Hydref 2011
|
-2.9
|
Tachwedd 2011
|
-3.1
|
Rhagfyr 2011
|
-2.4
|
Ionawr 2012
|
-3.3
|
Chwefror 2012
|
-2.1
|
Mawrth 2012
|
-1.5
|
Ebrill 2012
|
1.3
|
Mai 2012
|
1.9
|
Mehefin 2012
|
3.3
|
Gorffennaf 2012
|
0.8
|
Awst 2012
|
-2.2
|
Medi 2012
|
-3.7
|
Hydref 2012
|
-3.2
|
Tachwedd 2012
|
-0.6
|
Rhagfyr 2012
|
-0.7
|
Ionawr 2013
|
-0.2
|
Chwefror 2013
|
-2.2
|
Mawrth 2013
|
-2.4
|
Ebrill 2013
|
-2.5
|
Mai 2013
|
-1.5
|
Mehefin 2013
|
-0.9
|
Gorffennaf 2013
|
0.2
|
Awst 2013
|
3.3
|
Medi 2013
|
5.6
|
Hydref 2013
|
5.8
|
Tachwedd 2013
|
3.9
|
Rhagfyr 2013
|
3.2
|
Ionawr 2014
|
3.9
|
Chwefror 2014
|
5.9
|
Mawrth 2014
|
6.4
|
Ebrill 2014
|
5.9
|
Mai 2014
|
4.7
|
Mehefin 2014
|
3.2
|
Gorffennaf 2014
|
3.9
|
Awst 2014
|
3.4
|
Medi 2014
|
4.0
|
Hydref 2014
|
4.2
|
Tachwedd 2014
|
3.9
|
Rhagfyr 2014
|
3.9
|
Ionawr 2015
|
3.4
|
Chwefror 2015
|
3.3
|
Mawrth 2015
|
3.4
|
Ebrill 2015
|
4.0
|
Mai 2015
|
4.6
|
Mehefin 2015
|
4.6
|
Gorffennaf 2015
|
3.6
|
Awst 2015
|
4.1
|
Medi 2015
|
3.6
|
Hydref 2015
|
4.0
|
Tachwedd 2015
|
4.0
|
Rhagfyr 2015
|
5.4
|
Ionawr 2016
|
4.6
|
Chwefror 2016
|
2.8
|
Mawrth 2016
|
2.3
|
Ebrill 2016
|
1.7
|
Mai 2016
|
3.4
|
Mehefin 2016
|
2.6
|
Gorffennaf 2016
|
3.2
|
Awst 2016
|
2.6
|
Medi 2016
|
1.8
|
Hydref 2016
|
2.2
|
Tachwedd 2016
|
2.9
|
Rhagfyr 2016
|
2.2
|
Ionawr 2017
|
3.8
|
Chwefror 2017
|
5.3
|
Mawrth 2017
|
5.8
|
Ebrill 2017
|
2.8
|
Mai 2017
|
1.0
|
Mehefin 2017
|
4.0
|
Gorffennaf 2017
|
4.3
|
Awst 2017
|
5.5
|
Medi 2017
|
6.8
|
Hydref 2017
|
6.8
|
Tachwedd 2017
|
5.4
|
Rhagfyr 2017
|
4.8
|
Ionawr 2018
|
5.8
|
Chwefror 2018
|
7.4
|
Mawrth 2018
|
7.7
|
Ebrill 2018
|
6.3
|
Mai 2018
|
6.0
|
Mehefin 2018
|
5.5
|
Gorffennaf 2018
|
5.3
|
Awst 2018
|
5.8
|
Medi 2018
|
5.2
|
Hydref 2018
|
5.1
|
Tachwedd 2018
|
5.2
|
Rhagfyr 2018
|
4.4
|
Ionawr 2019
|
2.5
|
Dyddiad
|
Adeilad newydd
|
Ionawr 2011
|
0.4
|
Chwefror 2011
|
-0.2
|
Mawrth 2011
|
-0.3
|
Ebrill 2011
|
-1.5
|
Mai 2011
|
-0.6
|
Mehefin 2011
|
-1.2
|
Gorffennaf 2011
|
1.4
|
Awst 2011
|
-0.2
|
Medi 2011
|
0.4
|
Hydref 2011
|
-0.8
|
Tachwedd 2011
|
-0.1
|
Rhagfyr 2011
|
0.4
|
Ionawr 2012
|
-0.6
|
Chwefror 2012
|
1.1
|
Mawrth 2012
|
0.3
|
Ebrill 2012
|
1.2
|
Mai 2012
|
-0.0
|
Mehefin 2012
|
0.1
|
Gorffennaf 2012
|
-1.0
|
Awst 2012
|
-3.1
|
Medi 2012
|
-1.2
|
Hydref 2012
|
-0.2
|
Tachwedd 2012
|
2.6
|
Rhagfyr 2012
|
0.3
|
Ionawr 2013
|
-0.2
|
Chwefror 2013
|
-0.8
|
Mawrth 2013
|
0.1
|
Ebrill 2013
|
1.1
|
Mai 2013
|
1.0
|
Mehefin 2013
|
0.7
|
Gorffennaf 2013
|
0.1
|
Awst 2013
|
-0.1
|
Medi 2013
|
1.0
|
Hydref 2013
|
-0.0
|
Tachwedd 2013
|
0.7
|
Rhagfyr 2013
|
-0.3
|
Ionawr 2014
|
0.5
|
Chwefror 2014
|
1.0
|
Mawrth 2014
|
0.6
|
Ebrill 2014
|
0.6
|
Mai 2014
|
-0.1
|
Mehefin 2014
|
-0.7
|
Gorffennaf 2014
|
0.7
|
Awst 2014
|
-0.6
|
Medi 2014
|
1.6
|
Hydref 2014
|
0.2
|
Tachwedd 2014
|
0.4
|
Rhagfyr 2014
|
-0.3
|
Ionawr 2015
|
-0.1
|
Chwefror 2015
|
0.9
|
Mawrth 2015
|
0.8
|
Ebrill 2015
|
1.1
|
Mai 2015
|
0.5
|
Mehefin 2015
|
-0.7
|
Gorffennaf 2015
|
-0.3
|
Awst 2015
|
-0.1
|
Medi 2015
|
1.1
|
Hydref 2015
|
0.6
|
Tachwedd 2015
|
0.4
|
Rhagfyr 2015
|
1.1
|
Ionawr 2016
|
-0.8
|
Chwefror 2016
|
-0.8
|
Mawrth 2016
|
0.2
|
Ebrill 2016
|
0.5
|
Mai 2016
|
2.1
|
Mehefin 2016
|
-1.4
|
Gorffennaf 2016
|
0.3
|
Awst 2016
|
-0.7
|
Medi 2016
|
0.4
|
Hydref 2016
|
0.9
|
Tachwedd 2016
|
1.1
|
Rhagfyr 2016
|
0.4
|
Ionawr 2017
|
0.7
|
Chwefror 2017
|
0.6
|
Mawrth 2017
|
0.7
|
Ebrill 2017
|
-0.0
|
Mai 2017
|
-0.5
|
Mehefin 2017
|
0.1
|
Gorffennaf 2017
|
0.5
|
Awst 2017
|
0.5
|
Medi 2017
|
1.6
|
Hydref 2017
|
0.9
|
Tachwedd 2017
|
-0.2
|
Rhagfyr 2017
|
-0.2
|
Ionawr 2018
|
1.6
|
Chwefror 2018
|
2.2
|
Mawrth 2018
|
1.0
|
Ebrill 2018
|
-1.3
|
Mai 2018
|
-0.8
|
Mehefin 2018
|
-0.4
|
Gorffennaf 2018
|
0.3
|
Awst 2018
|
1.0
|
Medi 2018
|
0.9
|
Hydref 2018
|
0.9
|
Tachwedd 2018
|
-0.2
|
Rhagfyr 2018
|
-0.9
|
Ionawr 2019
|
-0.2
|
Dyddiad
|
Adeilad newydd
|
Ionawr 2011
|
96.5
|
Chwefror 2011
|
96.4
|
Mawrth 2011
|
96.1
|
Ebrill 2011
|
94.6
|
Mai 2011
|
94.0
|
Mehefin 2011
|
92.9
|
Gorffennaf 2011
|
94.2
|
Awst 2011
|
94.0
|
Medi 2011
|
94.4
|
Hydref 2011
|
93.6
|
Tachwedd 2011
|
93.6
|
Rhagfyr 2011
|
93.9
|
Ionawr 2012
|
93.3
|
Chwefror 2012
|
94.3
|
Mawrth 2012
|
94.6
|
Ebrill 2012
|
95.8
|
Mai 2012
|
95.8
|
Mehefin 2012
|
95.9
|
Gorffennaf 2012
|
94.9
|
Awst 2012
|
92.0
|
Medi 2012
|
90.9
|
Hydref 2012
|
90.6
|
Tachwedd 2012
|
93.0
|
Rhagfyr 2012
|
93.3
|
Ionawr 2013
|
93.1
|
Chwefror 2013
|
92.3
|
Mawrth 2013
|
92.4
|
Ebrill 2013
|
93.4
|
Mai 2013
|
94.4
|
Mehefin 2013
|
95.0
|
Gorffennaf 2013
|
95.1
|
Awst 2013
|
95.0
|
Medi 2013
|
96.0
|
Hydref 2013
|
95.9
|
Tachwedd 2013
|
96.6
|
Rhagfyr 2013
|
96.3
|
Ionawr 2014
|
96.8
|
Chwefror 2014
|
97.7
|
Mawrth 2014
|
98.3
|
Ebrill 2014
|
98.9
|
Mai 2014
|
98.8
|
Mehefin 2014
|
98.1
|
Gorffennaf 2014
|
98.8
|
Awst 2014
|
98.2
|
Medi 2014
|
99.8
|
Hydref 2014
|
100.0
|
Tachwedd 2014
|
100.4
|
Rhagfyr 2014
|
100.0
|
Ionawr 2015
|
100.0
|
Chwefror 2015
|
100.9
|
Mawrth 2015
|
101.7
|
Ebrill 2015
|
102.8
|
Mai 2015
|
103.3
|
Mehefin 2015
|
102.6
|
Gorffennaf 2015
|
102.3
|
Awst 2015
|
102.2
|
Medi 2015
|
103.4
|
Hydref 2015
|
104.0
|
Tachwedd 2015
|
104.4
|
Rhagfyr 2015
|
105.5
|
Ionawr 2016
|
104.6
|
Chwefror 2016
|
103.8
|
Mawrth 2016
|
104.0
|
Ebrill 2016
|
104.6
|
Mai 2016
|
106.8
|
Mehefin 2016
|
105.3
|
Gorffennaf 2016
|
105.6
|
Awst 2016
|
104.9
|
Medi 2016
|
105.2
|
Hydref 2016
|
106.2
|
Tachwedd 2016
|
107.4
|
Rhagfyr 2016
|
107.8
|
Ionawr 2017
|
108.6
|
Chwefror 2017
|
109.3
|
Mawrth 2017
|
110.1
|
Ebrill 2017
|
110.1
|
Mai 2017
|
109.5
|
Mehefin 2017
|
109.6
|
Gorffennaf 2017
|
110.1
|
Awst 2017
|
110.7
|
Medi 2017
|
112.4
|
Hydref 2017
|
113.5
|
Tachwedd 2017
|
113.2
|
Rhagfyr 2017
|
113.0
|
Ionawr 2018
|
114.9
|
Chwefror 2018
|
117.4
|
Mawrth 2018
|
118.6
|
Ebrill 2018
|
117.0
|
Mai 2018
|
116.1
|
Mehefin 2018
|
115.6
|
Gorffennaf 2018
|
116.0
|
Awst 2018
|
117.1
|
Medi 2018
|
118.2
|
Hydref 2018
|
119.3
|
Tachwedd 2018
|
119.0
|
Rhagfyr 2018
|
118.0
|
Ionawr 2019
|
117.8
|