Our Data Sources
Flat 2, 20A, Great Windmill Street has no records in the the Land Registry and a single entry in the EPC database dated February 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
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 Flat 2, 20A, Great Windmill Street is in very good condition we estimate a sale value of £477,040 and a rental value of £2,004 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £422,521 and a rental value of £1,775 per month.
Energy Efficiency
Flat 2, 20A, Great Windmill Street has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Feb 2026.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Warm air, Electricaire.
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to Flat 2, 20A, Great Windmill Street within a radius of 300 metres over the last 2 years.
The most recent example is Flat 3, 16, Archer Street, London, W1D 7BE, a leasehold flat which sold for £445,000 on the 9th June 2025.
Read more about house prices in W1.
- Sold Jun 2025£445,000 | 1 Bed FlatFlat 3, 16, Archer Street, London, W1D 7BEFlat 3, 16, Archer Street, London, W1D 7BE
- Sold Jul 2024£562,500 | 1 Bed FlatFlat 29, Bank Chambers 25, Jermyn Street, London, SW1Y 6HRFlat 29, Bank Chambers 25, Jermyn Street, London, SW1Y 6HR
- Sold Nov 2022£595,000 | 1 Bed FlatFlat 1, 20A , Great Windmill Street, London, W1D 7LAFlat 1, 20A , Great Windmill Street, London, W1D 7LA
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Great Windmill Street, London, W1 has a total of 26 addresses. According to our analysis of all the public data, Flat 2, 20A, Great Windmill Street is the 17th largest and the 25th most expensive property on the street.
When compared to the postcode district it is £1.655m less expensive than the average property in W1.
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Schools Nearby
- 0mSoho Parish CofE Primary School
- 1.0kmAll Souls CofE Primary School
- 1.0kmSt Josephs Catholic Primary School
- 1.5kmWestminster City School
- 1.7kmThe St Marylebone CofE School
- 1.7kmThe Grey Coat Hospital
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Public Transport Nearby
- 200mPiccadilly Circus
- 400mLeicester Square
- 600mTottenham Court Road (Elizabeth line)
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be very low.












