18, Lon Penllyn, CF14 6BZ
18 Lon Penllyn is a 102 m² / 1,098 sq ft semi-detached home in Cardiff. It sold for £407,500 in April 2026. Indexed forward to today's value, that sale is roughly £412k. Recent local prices imply a broad valuation context of £340k to £469k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.
- Sale history
-
Date Paid price Annual growth After inflation Apr 2026 £407,500 2.6% -0.3% Aug 2010 £273,000 5.1% 2.9% Oct 2002 £184,200 386.1% 381.2% May 2002 £100,000 na na - Internal area
- 102 square metres (1,098 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £3,995 per square metre (£371 per square foot) in Apr 2026. Indexed forward to today's value, this is roughly £4,036 per square metre (£375 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Apr 2026 £407,500 £3,995 £411,691 £4,036 Aug 2010 £273,000 £2,676 £481,796 £4,723 Oct 2002 £184,200 £1,806 £485,659 £4,761 May 2002 £100,000 £980 £299,963 £2,941 Calculated using the latest EPC internal area of 102 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 £411,691. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Cardiff are now selling for between £3,330 and £4,600 per square metre (£309 and £427 per square foot). Based on an internal area of 102 m², this implies a valuation between £340,000 and £469,000. 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
- F
- Plot size
- 319 square metres (3,434 square feet) - map showing freehold boundary lines
- Summary:
- 15 December 2025 - energy performance certificate grade C
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Semi-Detached House , has 5 habitable rooms. Estimated year built 1930 to 1949
- Area:
- 102 sqm (1,098 square foot) total internal area
- Comments:
- Walls: Cavity wall, filled cavity. Roof: Pitched, insulated at rafters. Heating: Boiler and radiators, mains gas.
- Summary:
- 08 June 2010 - energy performance certificate grade D
- Reason for EPC:
- None
- Tenure:
- Owner-occupied
- Property type:
- None , has 4 habitable rooms. Estimated year built 1950 to 1966
- Area:
- 83 sqm (893 square foot) total internal area
- Comments:
18 Lon Penllyn 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 £411,691.
- Based on an internal area of 102 m² and recent prices in Cardiff, this implies a lower and upper quartile range from £340,000 to £469,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.