Property data
Sale history
£69,995 on Aug 1997 New build New
Internal area
77 square metres (829 square feet) according to latest EPC inspection
Price per internal area

This property sold for £909 per square metre (£84 per square foot) in Aug 1997. Indexed forward to today's value, this is roughly £3,558 per square metre (£331 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Aug 1997 £69,995 £909 £273,946 £3,558

Calculated using the latest EPC internal area of 77 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 £273,946. 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 77 m², this implies a valuation between £142,000 and £208,000. 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
3
Type
Detached
Council tax band
D
Plot size
200 square metres (2,153 square feet) - map showing freehold boundary lines
EPC Inspections
Summary:
14 February 2015 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
ECO assessment
Tenure:
Owner-occupied
Property type:
Detached House , has 5 habitable rooms. Estimated year built 1996 to 2002
Area:
77 sqm (829 square foot) total internal area
Comments:
Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, insulated (assumed). Heating: Boiler and radiators, mains gas.
Frequently asked questions

10 Nant Twyn Harris 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 £273,946.
  • Based on an internal area of 77 m² and recent prices in Ystrad Mynach, this implies a lower and upper quartile range from £142,000 to £208,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 10 Nant Twyn Harris last sold for £69,995 in August 1997. The transaction was recorded as a new-build sale.

HouseMetric shows 10 Nant Twyn Harris as 77 m² (829 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 3 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 D, from an inspection dated 14 February 2015. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 10 Nant Twyn Harris was in council tax band D. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

10 Nant Twyn Harris is in postcode CF82 7DG, in Ystrad Mynach. You can also view HouseMetric's sold-price page for Nant Twyn Harris, CF82 7DG 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.