Our Data Sources
21, Clewer Avenue, Windsor has no recent1 records in the Land Registry and a single entry in the EPC database dated February 2020.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 21, Clewer Avenue, Windsor would be worth £518,968, with a potential rental value of £2,187 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £459,657, with a rental value of £1,937 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Clewer Avenue, Windsor occupies a 304 m2 plot as recorded by HM Land Registry.
Of the 47 other houses in this postcode, 46 have recorded plot sizes, and this one ranks as the 23rd largest.
Energy Efficiency
21, Clewer Avenue, Windsor has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 13 Feb 2020.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
21, Clewer Avenue, Windsor last changed hands on 28th April 2006, selling for £275,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Apr 2006£275,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 62 sales of comparable properties within 530 metres of 21, Clewer Avenue, Windsor since 2007.
Most recently, 24, Oak Lane, Windsor, SL4 5EU, a freehold house, sold at £480,000 on the 9th January 2026.
Read more about house prices in SL4.
- Sold Jan 2026£480,000 | 3 Bed House24, Oak Lane, Windsor, SL4 5EU24, Oak Lane, Windsor, SL4 5EU
- Sold Oct 2025£505,000 | 3 Bed House14, Dedworth Road, Windsor, SL4 5AY14, Dedworth Road, Windsor, SL4 5AY
- Sold Oct 2025£495,000 | 3 Bed House19, Oak Lane, Windsor, SL4 5EU19, Oak Lane, Windsor, SL4 5EU
- Sold Feb 2025£470,000 | 3 Bed House14, Carter Close, Windsor, SL4 3QX14, Carter Close, Windsor, SL4 3QX
- Sold Oct 2024£595,000 | 3 Bed House1, Oak Lane, Windsor, SL4 5EU1, Oak Lane, Windsor, SL4 5EU
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 £471,360, ranging from £274,916 to £614,804.
- 23 Clewer Avenue
3 Bed House | 5 m | Est. Value: £614,804
- 17 Clewer Avenue
3 Bed House | 18 m | Est. Value: £538,848
- 27 Clewer Avenue
3 Bed House | 28 m | Est. Value: £536,576
- 35 Clewer Avenue
3 Bed House | 30 m | Est. Value: £507,836
- 13 Clewer Avenue
3 Bed House | 36 m | Est. Value: £504,638
Location Comparison
Our analysis of the public data ranks 21, Clewer Avenue, Windsor as the 44th largest and the 39th most expensive of the 47 addresses on Clewer Avenue, Windsor, SL4.
Against the SL4 postcode district average, it is £88k less expensive than the typical property.
More reading links
Schools Nearby
- Oakfield First School300 m away
- St Edward's Catholic First School400 m away
- Trinity St Stephen CofE Aided First School600 m away
- The Windsor Boys' School600 m away
- Windsor Girls' School800 m away
- Slough and Eton Church of England Business and Enterprise College3.3 km away
More reading links
Public Transport Nearby
- Windsor & Eton Central|1.2 km away
- Windsor & Eton Riverside|1.6 km away
- Datchet|3.3 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












