Our Data Sources
21, Helena Road, Windsor has 41 entries in the Land Registry, most recently in December 2025 and a single entry in the EPC database dated March 2023.
We combine this information with that 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
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, Helena Road, Windsor, we estimate a market value of £505,153 and a rental value of £1,842 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £447,421 and £1,632 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Helena Road, Windsor as measuring 62 m2.
That makes it the 31st largest plot in the postcode, where all 31 other houses have recorded plot data.
Energy Efficiency
21, Helena Road, Windsor has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Mar 2023.
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
The most recent sale of 21, Helena Road, Windsor completed on 5th December 2025 at £405,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 4 times.
Values of comparable properties have dropped by 4.1% over the period since December 2025.
- Sold Dec 2025£405,000
- Sold Oct 2007£353,500
- Sold Mar 2004£250,000
Similar Properties Sold Nearby
Since 2007 20 properties similar to 21, Helena Road, Windsor have sold within a radius of 440 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 31st July 2025, was 44, Prince Consort Cottages, Windsor, SL4 1JB, a freehold house which sold for £529,200.
Read more about house prices in SL4.
- Sold Jul 2025£529,200 | 2 Bed House44, Prince Consort Cottages, Windsor, SL4 1JB44, Prince Consort Cottages, Windsor, SL4 1JB
- Sold Mar 2025£515,000 | 2 Bed House3, Prince Consort Cottages, Windsor, SL4 1JA3, Prince Consort Cottages, Windsor, SL4 1JA
- Sold Mar 2025£530,000 | 2 Bed House21, Prince Consort Cottages, Windsor, SL4 1JB21, Prince Consort Cottages, Windsor, SL4 1JB
- Sold Sep 2024£334,050 | 2 Bed House40, Prince Consort Cottages, Windsor, SL4 1JB40, Prince Consort Cottages, Windsor, SL4 1JB
- Sold May 2024£390,000 | 2 Bed House47, Prince Consort Cottages, Windsor, SL4 1JB47, Prince Consort Cottages, Windsor, SL4 1JB
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 £678,986, ranging from £462,234 to £1,147,410.
- 19 Helena Road
3 Bed House | 6 m | Est. Value: £571,769
- 23 Helena Road
4 Bed House | 9 m | Est. Value: £1,147,410
- 15 Helena Road
3 Bed House | 14 m | Est. Value: £575,742
- 25 Helena Road
2 Bed House | 16 m | Est. Value: £462,234
- 32 Helena Road
3 Bed House | 17 m | Est. Value: £587,514
Location Comparison
Of the 31 addresses on Helena Road, Windsor, SL4, 21, Helena Road, Windsor comes out as the 30th largest and the 30th most expensive in our analysis of the public data.
It is also £101k less expensive than the average property across the SL4 district.
More reading links
Schools Nearby
- The Queen Anne Royal Free CofE Controlled First School400 m away
- Trinity St Stephen CofE Aided First School900 m away
- Oakfield First School1.1 km away
- The Windsor Boys' School1.0 km 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|600 m away
- Windsor & Eton Riverside|900 m away
- Datchet|2.1 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
