Our Data Sources
18, St. Marks Place, Windsor has 41 entries in the Land Registry , most recently in August 2018 and a single entry in the EPC database dated May 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.
Price Range & Condition
In very good condition, we estimate 18, St. Marks Place, Windsor would be worth £684,008, with a potential rental value of £2,270 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £605,835, with a rental value of £2,011 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, St. Marks Place, Windsor occupies a 99 m2 plot as recorded by HM Land Registry.
All 37 other houses in this postcode have recorded plot sizes, and this one ranks as the 27th largest.
Energy Efficiency
18, St. Marks Place, Windsor has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 11 May 2010.
The property is connected to mains gas and has some double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
18, St. Marks Place, Windsor last changed hands on 1st August 2018, selling for £760,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 4 times since 1995.
The market for similar properties has dropped by 10.7% since August 2018.
- Sold Aug 2018£760,000
- Sold Jun 2010£500,000
- Sold Jul 2005£345,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 87 sales of comparable properties within 410 metres of 18, St. Marks Place, Windsor across the last 2 years.
Most recently, 13, St. Marks Place, Windsor, SL4 3BG, a freehold house, sold at £590,000 on the 10th October 2025.
Read more about house prices in SL4.
- Sold Oct 2025£590,000 | 3 Bed House13, St. Marks Place, Windsor, SL4 3BG13, St. Marks Place, Windsor, SL4 3BG
- Sold Aug 2023£710,000 | 3 Bed House6, St. Marks Place, Windsor, SL4 3BG6, St. Marks Place, Windsor, SL4 3BG
- Sold Sep 2022£728,000 | 3 Bed House16, St. Marks Place, Windsor, SL4 3BG16, St. Marks Place, Windsor, SL4 3BG
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 18, St. Marks Place, Windsor as the 25th largest and the 23rd most expensive of the 37 addresses on St. Marks Place, Windsor, SL4.
Against the SL4 postcode district average, it is £69k more expensive than the typical property.
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Schools Nearby
- The Queen Anne Royal Free CofE Controlled First School600 m away
- Trinity St Stephen CofE Aided First School700 m away
- Oakfield First School700 m away
- The Windsor Boys' School800 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|800 m away
- Windsor & Eton Riverside|1.1 km away
- Datchet|2.5 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












