Our Data Sources
18, Ham Island, Windsor has 21 entries in the Land Registry, most recently in July 2016 and a single entry in the EPC database dated February 2010.
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
In very good condition, we estimate 18, Ham Island, Windsor would be worth £773,029, with a potential rental value of £2,930 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £684,683, with a rental value of £2,595 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Ham Island, Windsor occupies a 720 m2 plot as recorded by HM Land Registry.
Of the 36 other houses in this postcode, 34 have recorded plot sizes, and this one ranks as the 9th largest.
Energy Efficiency
18, Ham Island, Windsor has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 01 Feb 2010.
The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and underfloor heating (mains gas).
Sold Prices
18, Ham Island, Windsor last changed hands on 15th July 2016, selling for £866,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 9.5% since July 2016.
- Sold Jul 2016£866,000
- Sold Aug 1996£95,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 109 sales of comparable properties within 1.3 kilometres of 18, Ham Island, Windsor since 2012.
Most recently, 15, Kingswood Creek, Staines-Upon-Thames, TW19 5EN, a freehold house, sold at £705,000 on the 21st November 2025.
Read more about house prices in SL4.
- Sold Nov 2025£705,000 | 4 Bed House15, Kingswood Creek, Staines-Upon-Thames, TW19 5EN15, Kingswood Creek, Staines-Upon-Thames, TW19 5EN
- Sold Oct 2025£792,500 | 4 Bed HouseWood End, Hill View Road, Staines-Upon-Thames, TW19 5EQWood End, Hill View Road, Staines-Upon-Thames, TW19 5EQ
- Sold May 2025£620,000 | 4 Bed House13, Waylands, Staines-Upon-Thames, TW19 5DZ13, Waylands, Staines-Upon-Thames, TW19 5DZ
- Sold Sep 2024£647,700 | 4 Bed House27, Waylands, Staines-Upon-Thames, TW19 5DZ27, Waylands, Staines-Upon-Thames, TW19 5DZ
- Sold Jul 2024£795,000 | 4 Bed House3, Old Ferry Drive, Staines-Upon-Thames, TW19 5EH3, Old Ferry Drive, Staines-Upon-Thames, TW19 5EH
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 £755,497, ranging from £351,509 to £1,040,675.
- 17 Ham Island
3 Bed House | 15 m | Est. Value: £584,186
- 19 Ham Island
3 Bed House | 17 m | Est. Value: £634,324
- 20 Ham Island
2 Bed House | 30 m | Est. Value: £351,509
- 16 Ham Island
5 Bed House | 33 m | Est. Value: £882,311
- 15 Ham Island
3 Bed House | 50 m | Est. Value: £552,748
Location Comparison
Our analysis of the public data ranks 18, Ham Island, Windsor as the 24th largest and the 32nd most expensive of the 51 addresses on Ham Island, Old Windsor, Windsor, SL4.
Against the SL4 postcode district average, it is £154k more expensive than the typical property.
More reading links
Schools Nearby
- Wraysbury Primary School900 m away
- King's Court First School1.4 km away
- Datchet St Mary's CofE Primary School2.1 km away
- Churchmead Church of England (VA) School2.4 km away
- Ditton Park Academy3.6 km away
- Langley Grammar School4.0 km away
More reading links
Public Transport Nearby
- Sunnymeads|900 m away
- Wraysbury|2.1 km away
- Datchet|2.1 km away
Available Internet Speeds
Ofcom's latest figures show poor internet coverage in this area, which may mean weak or no connectivity.
According to recent data from Ofcom, Slow or No Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a High risk of flooding.












