17, Keppel Spur, SL4 2LU

17 Keppel Spur is a 80 m² / 861 sq ft semi-detached home in Old Windsor. It sold for £485,000 in March 2022. Indexed forward to today's value, that sale is roughly £478k. Recent local prices imply a broad valuation context of £401k to £498k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.

Property data
Sale history
Date Paid price Annual growth After inflation
Mar 2022 £485,000 6.1% 3.9%
Feb 1997 £109,950 na na
Internal area
80 square metres (861 square feet) according to latest EPC inspection
Price per internal area

This property sold for £6,062 per square metre (£563 per square foot) in Mar 2022. Indexed forward to today's value, this is roughly £5,970 per square metre (£555 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Mar 2022 £485,000 £6,062 £477,592 £5,970
Feb 1997 £109,950 £1,374 £556,906 £6,961

Calculated using the latest EPC internal area of 80 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 £477,592. 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 80 m², this implies a valuation between £401,000 and £498,000. 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
E
Plot size
350 square metres (3,767 square feet) - map showing freehold boundary lines
Planning applications
Planning ref:
June 2025 25/01162/NMA
Type:
Amendments or alterations arising from an existing or previous application
Status:
Application refused
Address:
17 Keppel Spur Old Windsor Windsor
Description:
Non material amendments to planning permission 23/00112/FULL for the reduction of the size of the outbuilding and replacement of the approved roof to a flat roof.
Planning ref:
July 2023 23/00112/FULL
Type:
Full and householder planning application
Status:
Application approved
Address:
17 Keppel Spur Old Windsor Windsor
Description:
Alterations to the main entrance including replacement of existing sliding doors with new revolving doors, and replacement of east entrance sliding doors with revolving doors; new soft and hard landscaping at the main entrances and external lighting.
Planning ref:
January 2023 22/03080/FULL
Type:
Full and householder planning application
Status:
Application refused
Address:
17 Keppel Spur Old Windsor Windsor
Description:
Detached outbuilding.
Planning ref:
November 2022 22/02473/CPD
Type:
Outline application - proposal prior to a full application, including assessments and scoping opinions.
Status:
Application approved
Address:
17 Keppel Spur Old Windsor Windsor
Description:
Certificate of lawfulness to determine whether the proposed 2no. front rooflights, 1no. gable window and 1no. rear dormer is lawful.
Planning ref:
September 2022 22/02187/PDXL
Type:
Outline application - proposal prior to a full application, including assessments and scoping opinions.
Status:
Application approved
Address:
17 Keppel Spur Old Windsor Windsor
Description:
Single storey rear extension no greater than 6.00m in depth, 3.50m high with an eaves height of 2.63m.
Planning ref:
June 2022 22/01042/PDXL
Type:
Outline application - proposal prior to a full application, including assessments and scoping opinions.
Status:
Application approved
Address:
17 Keppel Spur Old Windsor Windsor
Description:
Single storey rear extension no greater than 6.00m in depth, 3.50m high with an eaves height of 2.70m.
EPC Inspections
Summary:
08 October 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 1950 to 1966
Area:
80 sqm (861 square foot) total internal area
Comments:
Walls: Cavity wall, filled cavity. Roof: Pitched, 75 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

17 Keppel Spur 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 £477,592.
  • Based on an internal area of 80 m² and recent prices in Old Windsor, this implies a lower and upper quartile range from £401,000 to £498,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 17 Keppel Spur last sold for £485,000 in March 2022.

HouseMetric shows 17 Keppel Spur as 80 m² (861 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 08 October 2021. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 17 Keppel Spur was in council tax band E. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

17 Keppel Spur is in postcode SL4 2LU, in Old Windsor. You can also view HouseMetric's sold-price page for Keppel Spur, SL4 2LU 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.