Property data
Sale history
Date Paid price Annual growth After inflation
Oct 2015 £105,000 1.6% -0.7%
Mar 2004 £87,500 19.8% 18.4%
Sep 2001 £55,995 na na
Internal area
54 square metres (581 square feet) according to latest EPC inspection
Price per internal area

This property sold for £1,944 per square metre (£181 per square foot) in Oct 2015. Indexed forward to today's value, this is roughly £3,737 per square metre (£347 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Oct 2015 £105,000 £1,944 £201,786 £3,737
Mar 2004 £87,500 £1,620 £211,792 £3,922
Sep 2001 £55,995 £1,037 £252,712 £4,680

Calculated using the latest EPC internal area of 54 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 £201,786. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Ystrad Mynach are now selling for between £1,840 and £2,700 per square metre (£170 and £250 per square foot). Based on an internal area of 54 m², this implies a valuation between £99,000 and £146,000. 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
2
Type
Terrace
Council tax band
C
Plot size
103 square metres (1,109 square feet) - map showing freehold boundary lines
EPC Inspections
Summary:
15 July 2014 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Non-marketed sale
Tenure:
Owner-occupied
Property type:
Mid-Terrace House , has 3 habitable rooms. Estimated year built 2003 to 2006
Area:
54 sqm (581 square foot) total internal area
Comments:
Walls: Cavity wall, as built, insulated (assumed). Roof: Pitched, 150 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

23 Trem Yr Efail 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 £201,786.
  • Based on an internal area of 54 m² and recent prices in Ystrad Mynach, this implies a lower and upper quartile range from £99,000 to £146,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 23 Trem Yr Efail last sold for £105,000 in October 2015.

HouseMetric shows 23 Trem Yr Efail as 54 m² (581 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 2 bedrooms. Bedroom numbers can come from a previous estate agency listing, an EPC record, or an estimate based on the size of the property.

The latest EPC rating shown by HouseMetric is C, from an inspection dated 15 July 2014. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 23 Trem Yr Efail was in council tax band C. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

23 Trem Yr Efail is in postcode CF82 7FL, in Ystrad Mynach. You can also view HouseMetric's sold-price page for Trem Yr Efail, CF82 7FL or analysis of the Ystrad Mynach property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 1 June 2026. Figures such as indexed values and local valuation ranges are calculated estimates for context, while official records can change as public datasets are updated.

For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.