20, Y Berthlog, CH8 9BW
20 Y Berthlog is a 88 m² / 947 sq ft semi-detached home in Mostyn. It sold for £175,000 in February 2025. Indexed forward to today's value, that sale is roughly £176k. Recent local prices imply a broad valuation context of £146k to £234k based on its internal area. The Land Registry and EPC data was last updated 22 September 2026.
- Sale history
-
Date Paid price Annual growth After inflation Feb 2025 £175,000 8.5% 4.6% Jan 2018 £97,500 4.9% 2.8% Nov 2001 £45,000 na na - Floor plan
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Archived estate agent floor plan for 20, Y Berthlog.
- Internal area
- 88 square metres (947 square feet) according to latest EPC inspection
- Price per internal area
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This property sold for £1,988 per square metre (£185 per square foot) in Feb 2025. Indexed forward to today's value, this is roughly £2,004 per square metre (£186 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Feb 2025 £175,000 £1,989 £176,349 £2,004 Jan 2018 £97,500 £1,108 £128,226 £1,457 Nov 2001 £45,000 £511 £152,665 £1,735 Calculated using the latest EPC internal area of 88 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 £176,349. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Mostyn are now selling for between £1,660 and £2,660 per square metre (£154 and £247 per square foot). Based on an internal area of 88 m², this implies a valuation between £146,000 and £234,000. 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
- Semi-detached
- Council tax band
- na
- Plot size
- 311 square metres (3,348 square feet) - map showing freehold boundary lines
- Summary:
- 22 October 2024 - energy performance certificate grade D
- 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 1950 to 1966
- Area:
- 88 sqm (947 square foot) total internal area
- Comments:
- Walls: Cavity wall, filled cavity. Roof: Pitched, 300 mm loft insulation. Heating: Boiler and radiators, oil.
- Summary:
- 07 March 2015 - energy performance certificate grade F
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- ECO assessment
- Tenure:
- Owner-occupied
- Property type:
- Semi-Detached House , has 5 habitable rooms. Estimated year built 1930 to 1949
- Area:
- 81 sqm (872 square foot) total internal area
- Comments:
- Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, 50 mm loft insulation. Heating: Boiler and radiators, oil.
20 Y Berthlog 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 £176,349.
- Based on an internal area of 88 m² and recent prices in Mostyn, this implies a lower and upper quartile range from £146,000 to £234,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.