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Properties in Mountain Ash

Off-market homes are part of the pre-market — the market that exists before a property is ever advertised.

3,693Properties
£109,450Avg Price

About Mountain Ash

Homes in Mountain Ash average around £110,000, based on Land Registry sold prices, with semi-detached homes near £140,000 and terraces around £90,000. open for offer is the pre-market: the market that exists before a home is ever advertised, where owners learn what buyers would pay before they commit. Your market estimate costs nothing. Testing the market — putting your home in front of buyers — is £9.99 a month, and no offer binds you until you accept it.

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Popular areas in Mountain Ash

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Properties in Mountain Ash

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Floor area, from the property’s EPC

Not advertisedNo agent, no brochure — this home isn’t on the market. You can still register interest.
Not advertisedNo agent, no brochure — this home isn’t on the market. You can still register interest.
Not advertisedNo agent, no brochure — this home isn’t on the market. You can still register interest.
Not advertisedNo agent, no brochure — this home isn’t on the market. You can still register interest.

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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A free account opens every home in Mountain Ash — the whole pre-market, not the 2% that happen to be advertised.

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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).

Thinking of selling in Mountain Ash?

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Market data updated September 2026

Mountain Ash house prices and off-market homes | open for offer