10, Cwm Alarch, CF45 3DR
10 Cwm Alarch is a 119 m² / 1,281 sq ft detached home in Mountain Ash. It sold for £206,000 in December 2020. Indexed forward to today's value, that sale is roughly £258k. Recent local prices imply a broad valuation context of £124k to £188k based on its internal area. The Land Registry and EPC data was last updated 4 August 2026.
- Sale history
-
£206,000 on Dec 2020
- Floor plan
-
Archived estate agent floor plan for 10, Cwm Alarch.
- Internal area
- 119 square metres (1,281 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £1,731 per square metre (£161 per square foot) in Dec 2020. Indexed forward to today's value, this is roughly £2,164 per square metre (£201 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Dec 2020 £206,000 £1,731 £257,550 £2,164 Calculated using the latest EPC internal area of 119 m². Earlier sale dates may not have had the same measured area available.
- Valuation
- The most recent sale price indexed forward to today's value is £257,550. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Mountain Ash are now selling for between £1,040 and £1,580 per square metre (£96 and £146 per square foot). Based on an internal area of 119 m², this implies a valuation between £124,000 and £188,000. Treat this as context only. For a valuation using hand-picked comparable sales, use the Advanced search tool — create a shortlist of similar condition homes, then export a valuation report.
- Bedrooms
- 4
- Type
- Detached
- Council tax band
- D
- Plot size
- 501 square metres (5,393 square feet) - map showing freehold boundary lines
- Summary:
- 08 May 2026 - energy performance certificate grade C
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Detached House , has 5 habitable rooms. Estimated year built 1976 to 1982
- Area:
- 139 sqm (1,496 square foot) total internal area
- Comments:
- Walls: Cavity wall, with external insulation. Roof: Pitched, 250 mm loft insulation. Heating: Boiler and radiators, mains gas.
- Summary:
- 13 July 2019 - energy performance certificate grade C
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Detached House , has 6 habitable rooms. Estimated year built 1967 to 1975
- Area:
- 119 sqm (1,281 square foot) total internal area
- Comments:
- Walls: Cavity wall, filled cavity. Roof: Pitched, 300 mm loft insulation. Heating: Boiler and radiators, mains gas.
10 Cwm Alarch is worth whatever price a willing buyer and seller agree upon. However, the following can provide useful context.
- HouseMetric estimates the most recent sale price indexed forward to today's value is £257,550.
- Based on an internal area of 119 m² and recent prices in Mountain Ash, this implies a lower and upper quartile range from £124,000 to £188,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.