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Property investment stats for Mountain Ash, Wales

A complete guide to property investment in Mountain Ash.

Last updated: 18 September 2025

Investment summary

Mountain Ash offers investors a rare mix of affordability and growth, with property values showing capital growth over 1 year of 6.0% and an impressive annualised growth over 3 years of 9.3%. Rents are strong, with average rental yields of 7.2%, and the median price per square foot of £138 per sq ft keeps entry costs accessible compared to other parts of Britain. The market moves at a decent pace, with properties spending a median of 43 days before being snapped up. Households here are more likely to be families, sitting in the 76th percentile, and there’s a robust private rental sector, in the 71st percentile nationally.

Image of Mountain Ash, Wales

Key investment stats for Mountain Ash

Median price per sq ft

£138 / sq ft

Average rental yield

7.2%

Capital growth (1y)

6.0%

Sales in past year

149

* Property stats calculated for last full calendar year (2024).

Live property stats in Mountain Ash

Live prices in Mountain Ash, Wales

* Extreme prices clipped for legibility

Properties for sale

Median price

£129,995

25% of properties below...

£115,000

75% of properties below...

£160,000

Most expensive property

£720,000

Live listings

85

Median days on market

43

Should you invest in Mountain Ash?

Opportunities

  • Rental yields in Mountain Ash are compelling, with average rental yields of 7.2% and the top postcode district matching this figure at 7.2%.
  • Capital appreciation has been notable, with capital growth over 3 years of 30.5% and a median achieved minus asking price of £4,000 (the typical achieved discount), suggesting room for negotiation.
  • Affordability is a real strength, with a price-to-income ratio of 3.0 and median sale price for a 3-bedroom house of £132,500, making it accessible for investors and tenants alike.

Risks

  • The area has a relatively high unemployment rate, sitting in the 75th percentile, which could impact long-term demand stability.
  • The local workforce is less likely to be degree-educated or in professional roles, with both in the lowest percentiles nationally, which may limit premium rental potential.
  • The student population is higher than average (70th percentile), which can mean more tenant turnover and potentially higher management costs.

Outlook

Looking ahead, Mountain Ash seems set to continue attracting investors who value both yield and growth. The combination of strong rental yields of 7.2% and annualised capital growth of 9.3% make it hard to ignore, especially for those seeking value in a market where affordability is becoming rare. The market’s liquidity, reflected in 149 annual sales and quick 43 days, points to solid demand from both buyers and renters.

However, the area’s socioeconomic profile suggests investors should keep an eye on employment trends and tenant quality. While the fundamentals remain attractive, future growth may depend on broader economic improvements and continued interest from families and renters priced out of neighbouring regions.

Live properties in Mountain Ash

Investment properties in Mountain Ash, Wales

3 bedroom end of terrace house for sale
On market for 148 days

£125,000 - Offers in Region of

3 bedroom end of terrace house for sale

Aberdare Road, Mountain Ash, CF47 3...

Slow to sell properties in Mountain Ash, Wales
Slow to Sell
4 bedroom detached house for sale

£90,000

4 bedroom detached house for sale

greenfield Terrace, cefn pennar

Properties with planning granted in Mountain Ash, Wales
Planning Granted
3 bedroom terraced house for sale
8% local capital growth

£120,000

3 bedroom terraced house for sale

Lyle Street, Mountain Ash

High capital growth properties in Mountain Ash, Wales
High Capital Growth

Achieved vs asking prices

Key takeaway: Balanced market

Buyers have some negotiation leverage, but not much.

Headline stats

• Median discount: £4,000

• 1 in 4 properties sell at > £7,500 below asking

• 1 in 10 properties sell at > £10,000 below asking

In percentage terms:

• Median discount of 2.4%

• 25% of properties discounted by > 5.2%

• 10% of properties discounted by > 7.6%

Best places to invest in Mountain Ash

Top postcodes for rental yield and (annualised) capital growth

Rank
Postcode
Yield
Capital growth
Median £/sq ft
1CF457.2%7.4%£135 / sq ft

Nearby and related areas

Data sources

GeoGlider calculates property investment stats by blending official and proprietary datasets. Here's a quick overview of key sources and how we use them:

  • HM Land Registry: Property transaction and sold-price records for England & Wales used to calculate historical capital growth, price levels and comparables.

  • Office for National Statistics (ONS): Demographic and economic indicators for the UK, including Census 2021, supporting area profiling and market context.

  • Ordnance Survey: Authoritative UK geospatial data powering accurate boundaries, roads and terrain for mapping and spatial analysis.

  • GeoProp: Our proprietary AI pipeline that processes millions of property listings to extract rich features and live market signals.

  • Department for Levelling Up, Housing & Communities: Energy Performance Certificate (EPC) scores and property floor areas.

  • HM Revenue & Customs (HMRC): Household income and employment data to understand local affordability and economic conditions.

Data is updated continuously, matched across sources and rigorously validated.