Property data
Sale history
Date Paid price Annual growth After inflation
Feb 2021 £117,500 6.0% 4.0%
Apr 2002 £38,950 na na
Internal area
81 square metres (872 square feet) according to latest EPC inspection
Price per internal area

This property sold for £1,450 per square metre (£135 per square foot) in Feb 2021. Indexed forward to today's value, this is roughly £2,168 per square metre (£201 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Feb 2021 £117,500 £1,451 £175,579 £2,168
Apr 2002 £38,950 £481 £155,082 £1,915

Calculated using the latest EPC internal area of 81 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 £175,579. 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 81 m², this implies a valuation between £149,000 and £219,000. 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
Semi-detached
Council tax band
B
Plot size
289 square metres (3,111 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 23 Heol Celyn. Advertised on multiple portals. It was reduced on 28/07/2020. It last appeared Aug 2021.
Photos:

There are 7 archived estate agent listing photos for 23 Heol Celyn.

Photos for 23 Heol Celyn
View photos
Advertiser remarks:
  • 3 bedrooms
  • 1 bathrooms
EPC Inspections
Summary:
31 May 2019 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Rental
Tenure:
Private rental
Property type:
Semi-Detached House , has 5 habitable rooms. Estimated year built 1967 to 1975
Area:
81 sqm (872 square foot) total internal area
Comments:
Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, 150 mm loft insulation. Heating: Boiler and radiators, mains gas.

Summary:
08 April 2009 - energy performance certificate grade D
Reason for EPC:
None
Tenure:
Private rental
Property type:
None , has 5 habitable rooms. Estimated year built 1983 to 1990
Area:
88 sqm (947 square foot) total internal area
Comments:
Frequently asked questions

23 Heol Celyn 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 £175,579.
  • Based on an internal area of 81 m² and recent prices in Ystrad Mynach, this implies a lower and upper quartile range from £149,000 to £219,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 23 Heol Celyn last sold for £117,500 in February 2021.

HouseMetric shows 23 Heol Celyn as 81 m² (872 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 31 May 2019. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 23 Heol Celyn was in council tax band B. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

23 Heol Celyn is in postcode CF82 7NS, in Ystrad Mynach. You can also view HouseMetric's sold-price page for Heol Celyn, CF82 7NS 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.