20, William Street
- Price Paid
- £98,000
Home / Search by address / Mountain Ash
Property Insights for Mountain Ash
Mountain Ash · Rhondda Cynon Taff · 8.6K town transactions
Avg sold price
+6.0%£147,445
Latest 12 months ending Jul 2026
Median price
All records£63,000
8.6K transactions in dataset
Transactions
-26.2%169
Latest 12-month window
Most common type
76.0% shareTerraced
6,533 of 8,599 sales
- Financial insights
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- Price trend
- Property type mix
- Trend projection
- Recent sales
-
71, Clarence Street £120,000Terraced · Freehold Jul 2026
-
19, Ffordd Y Glowyr £166,000Terraced · Freehold Jul 2026
-
21, Glamorgan Street £132,500Terraced · Freehold Jul 2026
- Sales activity
Latest 12 months vs previous 12 months
A side-by-side count of recorded sales by property type across two rolling annual windows.
- Tenure split
95.1% freehold
Tenure share calculated directly from the recorded sale records for this area.
- Build status
1.9% new build
Existing versus new-build share using the Land Registry old/new classification.
- Records
Properties in Mountain Ash.
18, Miskin Terrace
- Price Paid
- £88,000
75, Park Street
- Price Paid
- £130,000
84, Glanlay Street
- Price Paid
- £70,000
18, Church Street
- Price Paid
- £120,000
SOMERSET HOUSE, Bailey Street
- Price Paid
- £150,000
8, Valley View
- Price Paid
- £280,000
29, William Street
- Price Paid
- £167,000
43, Aberdare Road
- Price Paid
- £110,000
15, Plantation Road
- Price Paid
- £115,000
8, Trem Y Mynydd
- Price Paid
- £267,500
34, Glyngwyn Street
- Price Paid
- £81,000
43, Strand Street
- Price Paid
- £105,000
24, Gwernifor Street
- Price Paid
- £170,000
15, Milbourne Street
- Price Paid
- £70,000
70, Brynheulog
- Price Paid
- £138,000
9, Harcourt Road
- Price Paid
- £200,000
22, Granville Terrace
- Price Paid
- £193,750
1, Lyle Street
- Price Paid
- £136,760
27, Oakland Street
- Price Paid
- £137,500