Property data
Sale history
Date Paid price Annual growth After inflation
Aug 2025 £605,000 4.6% 1.9%
Oct 2002 £215,000 10.6% 8.8%
Aug 1996 £116,000 na na
Internal area
183 square metres (1,970 square feet) according to latest EPC inspection
Price per internal area

This property sold for £3,306 per square metre (£307 per square foot) in Aug 2025. Indexed forward to today's value, this is roughly £3,233 per square metre (£300 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Aug 2025 £605,000 £3,306 £591,698 £3,233
Oct 2002 £215,000 £1,175 £601,950 £3,289
Aug 1996 £116,000 £634 £553,743 £3,026

Calculated using the latest EPC internal area of 183 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 £591,698. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Radyr are now selling for between £3,150 and £4,280 per square metre (£292 and £397 per square foot). Based on an internal area of 183 m², this implies a valuation between £576,000 and £783,000. 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
G
Plot size
615 square metres (6,620 square feet) - map showing freehold boundary lines
Planning applications
Planning ref:
August 2007 07/01154/W
Type:
Full and householder planning application
Status:
Application approved
Address:
55 Pentwyn, Radyr, Cardiff
Description:
2 STOREY EXTENSION TO INCLUDE A NEW BEDROOM AND KITCHEN ENLARGEMENT PLUS A NEW CONSERVATORY AND ALTERATIONS
EPC Inspections
Summary:
24 August 2024 - 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 None to None
Area:
183 sqm (1,970 square foot) total internal area
Comments:
Walls: Cavity wall, filled cavity. Roof: Pitched, 200 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

55 Pentwyn 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 £591,698.
  • Based on an internal area of 183 m² and recent prices in Radyr, this implies a lower and upper quartile range from £576,000 to £783,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 55 Pentwyn last sold for £605,000 in August 2025.

HouseMetric shows 55 Pentwyn as 183 m² (1,970 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 4 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 24 August 2024. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 55 Pentwyn was in council tax band G. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

55 Pentwyn is in postcode CF15 8RE, in Radyr. You can also view HouseMetric's sold-price page for Pentwyn, CF15 8RE or analysis of the Radyr 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.