20, Duke Street, SR7 0DQ
20 Duke Street is a 129 m² / 1,389 sq ft terraced home in Seaham. It sold for £95,000 in October 2019. Indexed forward to today's value, that sale is roughly £116k. Recent local prices imply a broad valuation context of £159k to £266k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.
- Sale history
-
Date Paid price Annual growth After inflation Oct 2019 £95,000 -0.7% -2.5% Jan 2015 £98,000 3.6% 1.3% Jul 2003 £65,000 na na - Floor plan
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Archived estate agent floor plan for 20, Duke Street.
- Internal area
- 129 square metres (1,389 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £736 per square metre (£68 per square foot) in Oct 2019. Indexed forward to today's value, this is roughly £900 per square metre (£84 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Oct 2019 £95,000 £736 £116,153 £900 Jan 2015 £98,000 £760 £143,061 £1,109 Jul 2003 £65,000 £504 £169,121 £1,311 Calculated using the latest EPC internal area of 129 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 £116,153. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Seaham are now selling for between £1,230 and £2,060 per square metre (£114 and £191 per square foot). Based on an internal area of 129 m², this implies a valuation between £159,000 and £266,000. 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
- A
- Plot size
- 137 square metres (1,475 square feet) - map showing freehold boundary lines
- Summary:
- 18 April 2019 - energy performance certificate grade D
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Mid-Terrace House , has 5 habitable rooms. Estimated year built 1900 to 1929
- Area:
- 129 sqm (1,389 square foot) total internal area
- Comments:
- Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, 270 mm loft insulation. Heating: Boiler and radiators, mains gas.
- Summary:
- 01 October 2014 - energy performance certificate grade D
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Mid-Terrace House , has 4 habitable rooms. Estimated year built 1930 to 1949
- Area:
- 131 sqm (1,410 square foot) total internal area
- Comments:
- Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, 250 mm loft insulation. Heating: Boiler and radiators, mains gas.
20 Duke Street 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 £116,153.
- Based on an internal area of 129 m² and recent prices in Seaham, this implies a lower and upper quartile range from £159,000 to £266,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.