18, Trem Y Castell, CF83 1TH
18 Trem Y Castell is a 103 m² / 1,109 sq ft detached home in Caerphilly. It sold for £325,000 in November 2025. Indexed forward to today's value, that sale is roughly £328k. Recent local prices imply a broad valuation context of £239k to £368k based on its internal area. The Land Registry and EPC data was last updated 4 August 2026.
- Sale history
-
Date Paid price Annual growth After inflation Nov 2025 £325,000 2.5% -0.3% Oct 2007 £207,000 11.2% 9.2% Apr 2002 £115,000 6.6% 4.9% Nov 1996 New build New £81,495 na na - Floor plan
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Archived estate agent floor plan for 18, Trem Y Castell.
- Internal area
- 103 square metres (1,109 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £3,155 per square metre (£293 per square foot) in Nov 2025. Indexed forward to today's value, this is roughly £3,186 per square metre (£296 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Nov 2025 £325,000 £3,155 £328,200 £3,186 Oct 2007 £207,000 £2,010 £327,545 £3,180 Apr 2002 £115,000 £1,117 £362,905 £3,523 Nov 1996 £81,495 £791 £338,943 £3,291 Calculated using the latest EPC internal area of 103 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 £328,200. 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 £2,320 and £3,570 per square metre (£215 and £331 per square foot). Based on an internal area of 103 m², this implies a valuation between £239,000 and £368,000. 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
- 198 square metres (2,131 square feet) - map showing freehold boundary lines
- Summary:
- 16 April 2024 - energy performance certificate grade B
- 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 1996 to 2002
- Area:
- 103 sqm (1,109 square foot) total internal area
- Comments:
- Walls: Cavity wall, as built, insulated (assumed). Roof: Pitched, 300 mm loft insulation. Heating: Boiler and radiators, mains gas.
- Summary:
- 26 April 2013 - energy performance certificate grade C
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- FiT application
- Tenure:
- Owner-occupied
- Property type:
- Detached House , has 6 habitable rooms. Estimated year built 1996 to 2002
- Area:
- 96 sqm (1,033 square foot) total internal area
- Comments:
- Walls: Cavity wall, as built, insulated (assumed). Roof: Pitched, 250mm loft insulation. Heating: Boiler and radiators, mains gas.
18 Trem Y Castell 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 £328,200.
- Based on an internal area of 103 m² and recent prices in Caerphilly, this implies a lower and upper quartile range from £239,000 to £368,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.