About Mountain Ash
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Only about 2% of homes in England and Wales are for sale at any one time
We opened up 14.4 million of the rest. There are 4,058 more in Mountain Ash behind a free account.
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Housing stock & energy efficiency in Mountain Ash
599 properties in Mountain Ash hold an energy performance certificate; the most common rating is band D; the average floor area is 99 square metres.
Energy ratings (EPC)
Based on 599 certificated properties · average floor area 99 m² · modelled energy cost £94/month (EPC methodology)
Property types & typical values
- Terraced491 properties£203,208
- Semi-detached288 properties£242,188
- Detached252 properties£344,306
- Flat / maisonette8 properties£207,500
Market estimates use Land Registry sold prices and growth rates applied by our model · updated 2026-09-17
Common questions about Mountain Ash
What is the average house price in Mountain Ash?
The average estimated property value in Mountain Ash is £248,268, based on Land Registry sold prices and growth rates applied by our model (as of 2026-09-17).
What is the most common EPC rating in Mountain Ash?
The most common energy rating in Mountain Ash is band D, across 599 certificated properties. The average modelled energy cost is £94 per month (EPC methodology).
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Get my market estimateMarket data updated September 2026