3, Mountbatten Square, SL4 1SX

3 Mountbatten Square is a 76 m² / 818 sq ft flat in Windsor. It sold for £109,950 in September 1999. Indexed forward to today's value, that sale is roughly £259k. Recent local prices imply a broad valuation context of £410k to £569k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.

Property data
Sale history
£109,950 on Sep 1999
Internal area
76 square metres (818 square feet) according to latest EPC inspection
Price per internal area

This property sold for £1,446 per square metre (£134 per square foot) in Sep 1999. Indexed forward to today's value, this is roughly £3,414 per square metre (£317 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Sep 1999 £109,950 £1,447 £259,451 £3,414

Calculated using the latest EPC internal area of 76 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 £259,451. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Windsor are now selling for between £5,400 and £7,490 per square metre (£501 and £695 per square foot). Based on an internal area of 76 m², this implies a valuation between £410,000 and £569,000. 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
Flat
Council tax band
C
EPC Inspections
Summary:
16 April 2018 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Rental
Tenure:
Private rental
Property type:
2nd floor flat in an apartment block with 1 storeys , has 4 habitable rooms. Estimated year built 1950 to 1966
Area:
76 sqm (818 square foot) total internal area
Comments:
Walls: System built, as built, no insulation (assumed). Roof: (another dwelling above). Heating: Boiler and radiators, mains gas.
Frequently asked questions

3 Mountbatten 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 £259,451.
  • Based on an internal area of 76 m² and recent prices in Windsor, this implies a lower and upper quartile range from £410,000 to £569,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 3 Mountbatten Square last sold for £109,950 in September 1999.

HouseMetric shows 3 Mountbatten Square as 76 m² (818 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 16 April 2018. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 3 Mountbatten Square was in council tax band C. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

3 Mountbatten Square is in postcode SL4 1SX, in Windsor. You can also view HouseMetric's sold-price page for Mountbatten Square, SL4 1SX or analysis of the 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.