40, Adelaide Square, SL4 2AQ

40 Adelaide Square is a 97 m² / 1,044 sq ft semi-detached home in Old Windsor. It sold for £945,000 in November 2025. Indexed forward to today's value, that sale is roughly £920k. Recent local prices imply a broad valuation context of £486k to £604k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.

Property data
Sale history
£945,000 on Nov 2025
Internal area
97 square metres (1,044 square feet) according to latest EPC inspection
Price per internal area

This property sold for £9,742 per square metre (£905 per square foot) in Nov 2025. Indexed forward to today's value, this is roughly £9,489 per square metre (£882 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Nov 2025 £945,000 £9,742 £920,399 £9,489

Calculated using the latest EPC internal area of 97 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 £920,399. 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 £5,010 and £6,230 per square metre (£465 and £578 per square foot). Based on an internal area of 97 m², this implies a valuation between £486,000 and £604,000. 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
Semi-detached
Council tax band
F
Plot size
217 square metres (2,336 square feet) - map showing freehold boundary lines
Planning applications
Planning ref:
May 2022 21/00660/FULL
Type:
Full and householder planning application
Status:
Application approved
Address:
40 Adelaide Square Windsor
Description:
Full Planning Permission for Erection of 2 no Detached Dormer Bungalows with Associated Access and Carparking (Previously Granted Permission Under Ref: 19/00891/FULL)
EPC Inspections
Summary:
15 April 2021 - energy performance certificate grade D
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 1900 to 1929
Area:
97 sqm (1,044 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:
12 April 2010 - energy performance certificate grade E
Reason for EPC:
None
Tenure:
Owner-occupied
Property type:
None , has 5 habitable rooms. Estimated year built before 1900
Area:
100 sqm (1,076 square foot) total internal area
Comments:
Frequently asked questions

40 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 £920,399.
  • Based on an internal area of 97 m² and recent prices in Old Windsor, this implies a lower and upper quartile range from £486,000 to £604,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 40 Adelaide Square last sold for £945,000 in November 2025.

HouseMetric shows 40 Adelaide Square as 97 m² (1,044 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 3 bedrooms. Bedroom numbers can come from a previous estate agency listing, an EPC record, or an estimate based on the size of the property.

The latest EPC rating shown by HouseMetric is D, from an inspection dated 15 April 2021. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 40 Adelaide Square was in council tax band F. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

40 Adelaide Square is in postcode SL4 2AQ, in Old Windsor. You can also view HouseMetric's sold-price page for Adelaide Square, SL4 2AQ or analysis of the Old Windsor property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 2 July 2026. Figures such as indexed values and local valuation ranges are calculated estimates for context, while official records can change as public datasets are updated.

For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.