21, Adelaide Square, SL4 2AQ
21 Adelaide Square is a 116 m² / 1,249 sq ft detached home in Old Windsor. It sold for £407,500 in July 2004. Indexed forward to today's value, that sale is roughly £811k. Recent local prices imply a broad valuation context of £585k to £734k based on its internal area. The Land Registry and EPC data was last updated 1 June 2026.
- Sale history
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Date Paid price Annual growth After inflation Jul 2004 £407,500 9.6% 8.1% Dec 1998 £245,000 5.7% 3.9% Jun 1997 £225,000 na na - Floor plan
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Archived estate agent floor plan for 21, Adelaide Square.
- Internal area
- 116 square metres (1,249 square feet) according to latest EPC inspection
- Price per internal area
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This property sold for £3,512 per square metre (£326 per square foot) in Jul 2004. Indexed forward to today's value, this is roughly £6,989 per square metre (£649 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Jul 2004 £407,500 £3,513 £810,688 £6,989 Dec 1998 £245,000 £2,112 £932,238 £8,037 Jun 1997 £225,000 £1,940 £1,023,793 £8,826 Calculated using the latest EPC internal area of 116 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 £810,688. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Old Windsor are now selling for between £5,040 and £6,330 per square metre (£468 and £588 per square foot). Based on an internal area of 116 m², this implies a valuation between £585,000 and £734,000. 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
- Detached
- Council tax band
- F
- Plot size
- 119 square metres (1,281 square feet) - map showing freehold boundary lines
- Summary:
- 24 January 2020 - 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 4 habitable rooms. Estimated year built before 1900
- Area:
- 116 sqm (1,249 square foot) total internal area
- Comments:
- Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, 200 mm loft insulation. Heating: Boiler and radiators, mains gas.
- Summary:
- 14 October 2008 - energy performance certificate grade E
- Reason for EPC:
- None
- Tenure:
- Private rental
- Property type:
- None , has 5 habitable rooms. Estimated year built before 1900
- Area:
- 110 sqm (1,184 square foot) total internal area
- Comments:
21 Adelaide Square 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 £810,688.
- Based on an internal area of 116 m² and recent prices in Old Windsor, this implies a lower and upper quartile range from £585,000 to £734,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.