42, Gwern Catherine, CF5 6GD

42 Gwern Catherine is a 93 m² / 1,001 sq ft detached home in St Fagans. It sold for £350,000 in April 2026. Indexed forward to today's value, that sale is roughly £352k. Recent local prices imply a broad valuation context of £302k to £387k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.

Property data
Sale history
Date Paid price Annual growth After inflation
Apr 2026 £350,000 2.6% -2.4%
Feb 2022 New build New £314,995 na na
Internal area
93 square metres (1,001 square feet) according to latest EPC inspection
Price per internal area

This property sold for £3,763 per square metre (£350 per square foot) in Apr 2026. Indexed forward to today's value, this is roughly £3,781 per square metre (£351 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Apr 2026 £350,000 £3,763 £351,630 £3,781
Feb 2022 £314,995 £3,387 £328,877 £3,536

Calculated using the latest EPC internal area of 93 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 £351,630. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in St Fagans are now selling for between £3,250 and £4,160 per square metre (£301 and £386 per square foot). Based on an internal area of 93 m², this implies a valuation between £302,000 and £387,000. 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
na
Type
Detached
Council tax band
na
EPC Inspections
Summary:
01 November 2021 - energy performance certificate grade B
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
New dwelling
Tenure:
Unknown
Property type:
Detached House Estimated year built None to None
Area:
93 sqm (1,001 square foot) total internal area
Comments:
Heating: Boiler and radiators, mains gas.
Frequently asked questions

42 Gwern Catherine 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 £351,630.
  • Based on an internal area of 93 m² and recent prices in St Fagans, this implies a lower and upper quartile range from £302,000 to £387,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 42 Gwern Catherine last sold for £350,000 in April 2026.

HouseMetric shows 42 Gwern Catherine as 93 m² (1,001 sq ft), based on the latest internal area data available for this property.

The latest EPC rating shown by HouseMetric is B, from an inspection dated 01 November 2021. EPC information comes from the public Energy Performance Certificate data for England and Wales.

42 Gwern Catherine is in postcode CF5 6GD, in St Fagans. You can also view HouseMetric's sold-price page for Gwern Catherine, CF5 6GD or analysis of the St Fagans property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 2 July 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.