20, Segontium Road South, LL55 2LL
20 Segontium Road South is a 139 m² / 1,496 sq ft terraced home in Caernarfon. It sold for £255,000 in September 2025. Indexed forward to today's value, that sale is roughly £252k. Recent local prices imply a broad valuation context of £222k to £406k 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 Sep 2025 £255,000 4.1% -1.2% Jun 2021 £215,000 16.4% 14.4% Aug 2017 £120,000 na na - Floor plan
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Archived estate agent floor plan for 20, Segontium Road South.
- Internal area
- 139 square metres (1,496 square feet) according to latest EPC inspection
- Price per internal area
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This property sold for £1,834 per square metre (£170 per square foot) in Sep 2025. Indexed forward to today's value, this is roughly £1,816 per square metre (£169 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Sep 2025 £255,000 £1,835 £252,458 £1,816 Jun 2021 £215,000 £1,547 £253,733 £1,825 Aug 2017 £120,000 £863 £173,497 £1,248 Calculated using the latest EPC internal area of 139 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 £252,458. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Caernarfon are now selling for between £1,600 and £2,920 per square metre (£148 and £271 per square foot). Based on an internal area of 139 m², this implies a valuation between £222,000 and £406,000. 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
- Terrace
- Council tax band
- D
- Plot size
- 105 square metres (1,130 square feet) - map showing freehold boundary lines
- Planning ref:
- October 2022 C22/0729/14/DT
- Type:
- Full and householder planning application
- Status:
- Application approved with conditions
- Address:
- 20 Segontium Road South, Caernarfon, Gwynedd,
- Description:
- Ymestyn cwrtil yr eiddo Extension to the curtilage of the property
- Summary:
- 16 May 2025 - energy performance certificate grade E
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Mid-Terrace House , has 7 habitable rooms. Estimated year built 1900 to 1929
- Area:
- 139 sqm (1,496 square foot) total internal area
- Comments:
- Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, mains gas.
- Summary:
- 20 February 2015 - energy performance certificate grade D
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Marketed sale
- Tenure:
- Private rental
- Property type:
- Mid-Terrace House , has 6 habitable rooms. Estimated year built 1900 to 1929
- Area:
- 135 sqm (1,453 square foot) total internal area
- Comments:
- Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, mains gas.
20 Segontium Road South 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 £252,458.
- Based on an internal area of 139 m² and recent prices in Caernarfon, this implies a lower and upper quartile range from £222,000 to £406,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.