18, Pentwyn Isaf, CF83 2NR
18 Pentwyn Isaf is a 165 m² / 1,776 sq ft detached home in Caerphilly. It sold for £440,000 in April 2026. Indexed forward to today's value, that sale is roughly £442k. Recent local prices imply a broad valuation context of £404k to £569k 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 £440,000 6.0% 3.3% Aug 2002 £110,000 9.5% 7.7% Feb 2000 £88,000 -1.6% -3.1% Sep 1996 £92,950 na na - Internal area
- 165 square metres (1,776 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £2,666 per square metre (£248 per square foot) in Apr 2026. Indexed forward to today's value, this is roughly £2,679 per square metre (£249 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Apr 2026 £440,000 £2,667 £442,049 £2,679 Aug 2002 £110,000 £667 £337,245 £2,044 Feb 2000 £88,000 £533 £343,020 £2,079 Sep 1996 £92,950 £563 £442,985 £2,685 Calculated using the latest EPC internal area of 165 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 £442,049. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Caerphilly are now selling for between £2,450 and £3,450 per square metre (£227 and £320 per square foot). Based on an internal area of 165 m², this implies a valuation between £404,000 and £569,000. 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
- E
- Plot size
- 562 square metres (6,049 square feet) - map showing freehold boundary lines
- Planning ref:
- December 2009 09/0831/FULL
- Type:
- Full and householder planning application
- Status:
- Application approved
- Address:
- 18 Pentwyn Isaf Energlyn Caerphilly
- Description:
- Carry out alterations and erect single-storey extension to existing building
- Summary:
- 30 July 2025 - energy performance certificate grade D
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Detached House , has 7 habitable rooms. Estimated year built 1983 to 1990
- Area:
- 165 sqm (1,776 square foot) total internal area
- Comments:
- Walls: Cavity wall, as built, insulated (assumed). Roof: Pitched, insulated. Heating: Boiler and radiators, mains gas.
18 Pentwyn Isaf 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 £442,049.
- Based on an internal area of 165 m² and recent prices in Caerphilly, this implies a lower and upper quartile range from £404,000 to £569,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.