Our Data Sources
21, St. Marks Road, Windsor has no records in the the Land Registry and a single entry in the EPC database dated January 2024.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 21, St. Marks Road, Windsor, we estimate a market value of £1,049,040 and a rental value of £3,032 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £929,150 and £2,686 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, St. Marks Road, Windsor as measuring 169 m2.
That makes it the 16th largest plot in the postcode, where 19 of the 20 other houses have recorded plot data.
Energy Efficiency
21, St. Marks Road, Windsor has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Jan 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 63 properties similar to 21, St. Marks Road, Windsor have sold within a radius of 410 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 22nd October 2025, was 24, Queens Road, Windsor, SL4 3BH, a freehold house which sold for £1,095,000.
Read more about house prices in SL4.
- Sold Oct 2025£1,095,000 | 4 Bed House24, Queens Road, Windsor, SL4 3BH24, Queens Road, Windsor, SL4 3BH
- Sold Sep 2024£905,000 | 4 Bed House5, Queens Road, Windsor, SL4 3BQ5, Queens Road, Windsor, SL4 3BQ
- Sold Dec 2023£1,065,000 | 4 Bed House17, St. Marks Road, Windsor, SL4 3BD17, St. Marks Road, Windsor, SL4 3BD
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 71 addresses on St. Marks Road, Windsor, SL4, 21, St. Marks Road, Windsor comes out as the 29th largest and the 20th most expensive in our analysis of the public data.
It is also £417k more expensive than the average property across the SL4 district.
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Schools Nearby
- Trinity St Stephen CofE Aided First School600 m away
- The Queen Anne Royal Free CofE Controlled First School700 m away
- Oakfield First School700 m away
- The Windsor Boys' School700 m away
- Windsor Girls' School1.2 km away
- Churchmead Church of England (VA) School2.6 km away
More reading links
Public Transport Nearby
- Windsor & Eton Central|700 m away
- Windsor & Eton Riverside|1.1 km away
- Datchet|2.5 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
