9, Tyddyn Adi, LL49 9YU
9 Tyddyn Adi is a 69 m² / 743 sq ft terraced home in Porthmadog. It sold for £223,000 in May 2025. Indexed forward to today's value, that sale is roughly £233k. Recent local prices imply a broad valuation context of £118k to £213k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.
- Sale history
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Date Paid price Annual growth After inflation May 2025 £223,000 3.5% -0.3% May 2018 £175,000 10.9% 9.2% Dec 2012 £99,950 na na - Floor plan
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Archived estate agent floor plan for 9, Tyddyn Adi.
- Internal area
- 69 square metres (743 square feet) according to latest EPC inspection
- Price per internal area
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This property sold for £3,231 per square metre (£300 per square foot) in May 2025. Indexed forward to today's value, this is roughly £3,381 per square metre (£314 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm May 2025 £223,000 £3,232 £233,269 £3,381 May 2018 £175,000 £2,536 £250,725 £3,634 Dec 2012 £99,950 £1,449 £162,166 £2,350 Calculated using the latest EPC internal area of 69 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 £233,269. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Porthmadog are now selling for between £1,710 and £3,080 per square metre (£158 and £286 per square foot). Based on an internal area of 69 m², this implies a valuation between £118,000 and £213,000. 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
- Terrace
- Council tax band
- C
- Summary:
- 17 June 2024 - 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 5 habitable rooms. Estimated year built 1976 to 1982
- Area:
- 69 sqm (743 square foot) total internal area
- Comments:
- Walls: Cavity wall, as built, partial insulation (assumed). Roof: Pitched, 200 mm loft insulation. Heating: Boiler and radiators, LPG.
- Summary:
- 22 October 2012 - energy performance certificate grade G
- 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 1976 to 1982
- Area:
- 70 sqm (753 square foot) total internal area
- Comments:
- Walls: Cavity wall, as built, partial insulation (assumed). Roof: Pitched, 300+ mm loft insulation. Heating: Boiler and radiators, LPG.
9 Tyddyn Adi 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 £233,269.
- Based on an internal area of 69 m² and recent prices in Porthmadog, this implies a lower and upper quartile range from £118,000 to £213,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.