Our Data Sources
15, St. Marks Place, Windsor has no recent1 records in the Land Registry and a single entry in the EPC database dated January 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
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 15, St. Marks Place, Windsor is in very good condition we estimate a sale value of £675,239 and a rental value of £2,250 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £598,069 and a rental value of £1,993 per month.
Plot Size
According to data from HM Land Registry, 15, St. Marks Place, Windsor sits on a plot of 98 m2.
We have plot size data on 37 out of 37 other houses in the postcode and 15, St. Marks Place, Windsor sits on the 28th largest plot.
Energy Efficiency
15, St. Marks Place, Windsor has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Jan 2020.
The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 15, St. Marks Place, Windsor was last sold on 15th July 2005 for £305,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
- Sold Jul 2005£305,000
- Sold Aug 2000£260,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 85 sales of properties similar to 15, St. Marks Place, Windsor within a radius of 410 metres since 2013.
The most recent example is 26, Dagmar Road, Windsor, SL4 1JL, a freehold house which sold for £610,000 on the 20th March 2026.
Read more about house prices in SL4.
- Sold Mar 2026£610,000 | 3 Bed House26, Dagmar Road, Windsor, SL4 1JL26, Dagmar Road, Windsor, SL4 1JL
- Sold Dec 2025£575,000 | 3 Bed House18, Dagmar Road, Windsor, SL4 1JL18, Dagmar Road, Windsor, SL4 1JL
- Sold Oct 2025£590,000 | 3 Bed House13, St. Marks Place, Windsor, SL4 3BG13, St. Marks Place, Windsor, SL4 3BG
- Sold Nov 2024£635,000 | 3 Bed House2, St. Marks Place, Windsor, SL4 3BG2, St. Marks Place, Windsor, SL4 3BG
- Sold Sep 2024£560,000 | 3 Bed House7, St. Marks Place, Windsor, SL4 3BG7, St. Marks Place, Windsor, SL4 3BG
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 £664,922, ranging from £551,590 to £876,707.
- 17 St. Marks Place
3 Bed House | 4 m | Est. Value: £626,600
- 13 St. Marks Place
3 Bed House | 4 m | Est. Value: £626,600
- 11 St. Marks Place
3 Bed House | 9 m | Est. Value: £580,165
- 19 St. Marks Place
3 Bed House | 9 m | Est. Value: £634,892
- 9 St. Marks Place
3 Bed House | 13 m | Est. Value: £609,703
Location Comparison
St. Marks Place, Windsor, SL4 has a total of 37 addresses. According to our analysis of all the public data, 15, St. Marks Place, Windsor is the 26th largest and the 24th most expensive property on the street.
When compared to the postcode district it is £61k more expensive than the average property in SL4.
More reading links
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
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast 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.












