Our Data Sources
23, William Street, Windsor has 41 entries in the Land Registry, most recently in May 2007 and a single entry in the EPC database dated June 2022.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 23, William Street, Windsor is in very good condition we estimate a sale value of £346,521 and a rental value of £1,456 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £306,919 and a rental value of £1,289 per month.
Energy Efficiency
23, William Street, Windsor has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 08 Jun 2022.
The property is not connected to mains gas and has fully double glazed windows. It is heated using electric storage heaters.
Sold Prices
According to HM Land Registry, 23, William Street, Windsor was last sold on 4th May 2007 for £250,000 and was recorded as a leasehold flat.
The property has had 4 sales since 1995.
Since May 2007, the market for similar properties has risen by 16.4%.
- Sold May 2007£250,000
- Sold Jan 2003£220,000
- Sold May 2000£112,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 107 sales of properties similar to 23, William Street, Windsor within a radius of 400 metres since 2012.
The most recent example is Flat 32, Regent Court, Sheet Street, Windsor, SL4 1BP, a leasehold flat which sold for £370,000 on the 18th December 2025.
Read more about house prices in SL4.
- Sold Dec 2025£370,000 | 2 Bed FlatFlat 32, Regent Court, Sheet Street, Windsor, SL4 1BPFlat 32, Regent Court, Sheet Street, Windsor, SL4 1BP
- Sold Jul 2024£450,000 | 2 Bed FlatFlat 16, Regent Court, Sheet Street, Windsor, SL4 1BPFlat 16, Regent Court, Sheet Street, Windsor, SL4 1BP
- Sold Jan 2024£310,000 | 2 Bed FlatFlat 7, Alexandra Court 25A, St. Leonards Road, Windsor, SL4 3BPFlat 7, Alexandra Court 25A, St. Leonards Road, Windsor, SL4 3BP
- Sold Dec 2023£325,000 | 2 Bed Flat8D Queen Annes Court, Peascod Street, Windsor, SL4 1DG8D Queen Annes Court, Peascod Street, Windsor, SL4 1DG
- Sold Dec 2023£350,000 | 2 Bed Flat6G Queen Annes Court, Peascod Street, Windsor, SL4 1DG6G Queen Annes Court, Peascod Street, Windsor, SL4 1DG
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £347,270, ranging from £322,321 to £372,218.
- 25 William Street
2 Bed Flat | 1 m | Est. Value: £322,321
- 19 William Street
2 Bed Flat | 20 m | Est. Value: £372,218
Location Comparison
William Street, Windsor, SL4 has a total of 24 addresses. According to our analysis of all the public data, 23, William Street, Windsor is the 15th largest and the 11th most expensive property on the street.
When compared to the postcode district it is £252k less expensive than the average property in SL4.
More reading links
Schools Nearby
- Trinity St Stephen CofE Aided First School600 m away
- The Queen Anne Royal Free CofE Controlled First School800 m away
- Eton Porny CofE First School1.0 km away
- The Windsor Boys' School700 m away
- Windsor Girls' School1.6 km away
- Churchmead Church of England (VA) School2.2 km away
More reading links
Public Transport Nearby
- Windsor & Eton Central|300 m away
- Windsor & Eton Riverside|600 m away
- Datchet|2.2 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
