Porthor, Allt Goch, LL55 4DW
Porthor Allt Goch is a 66 m² / 710 sq ft semi-detached home in Llanberis. It sold for £175,000 in November 2022. Indexed forward to today's value, that sale is roughly £192k. Recent local prices imply a broad valuation context of £142k to £194k 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 2022 £175,000 4.0% 0.0% Dec 2018 £150,000 4.8% 3.2% Oct 2013 £118,000 3.0% 0.5% Sep 2003 £87,500 18.6% 16.9% Sep 1998 £37,500 4.6% 2.3% Jul 1996 £34,000 na na Jul 1996 £34,000 -8.6% -10.3% Mar 1996 £35,000 na na - Floor plan
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Archived estate agent floor plan for Porthor, Allt Goch.
- Internal area
- 66 square metres (710 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £2,651 per square metre (£246 per square foot) in Nov 2022. Indexed forward to today's value, this is roughly £2,915 per square metre (£271 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Nov 2022 £175,000 £2,652 £192,413 £2,915 Dec 2018 £150,000 £2,273 £222,877 £3,377 Oct 2013 £118,000 £1,788 £183,062 £2,774 Sep 2003 £87,500 £1,326 £224,050 £3,395 Sep 1998 £37,500 £568 £188,833 £2,861 Jul 1996 £34,000 £515 £171,535 £2,599 Jul 1996 £34,000 £515 £171,535 £2,599 Mar 1996 £35,000 £530 £188,155 £2,851 Calculated using the latest EPC internal area of 66 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 £192,413. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Llanberis are now selling for between £2,150 and £2,940 per square metre (£199 and £273 per square foot). Based on an internal area of 66 m², this implies a valuation between £142,000 and £194,000. 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
- 2
- Type
- Semi-detached
- Council tax band
- B
- Plot size
- 133 square metres (1,432 square feet) - map showing freehold boundary lines
- Summary:
- 26 June 2018 - energy performance certificate grade F
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Semi-Detached House , has 4 habitable rooms. Estimated year built before 1900
- Area:
- 66 sqm (710 square foot) total internal area
- Comments:
- Walls: Granite or whinstone, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, LPG.
- Summary:
- 01 August 2013 - energy performance certificate grade E
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Semi-Detached House , has 4 habitable rooms. Estimated year built before 1900
- Area:
- 65 sqm (700 square foot) total internal area
- Comments:
- Walls: Granite or whinstone, as built, no insulation (assumed). Roof: Pitched, insulated at rafters. Heating: Electric storage heaters.
Porthor Allt Goch 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 £192,413.
- Based on an internal area of 66 m² and recent prices in Llanberis, this implies a lower and upper quartile range from £142,000 to £194,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.