Our Data Sources
Flat 3B, Basil Mansions has no recent1 records in the the Land Registry and a single entry in the EPC database dated April 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate Flat 3B, Basil Mansions would be worth £1,343,672, with a potential rental value of £4,320 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,190,109, with a rental value of £3,826 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 3B, Basil Mansions has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 01 Apr 2025.
The property is not connected to mains gas and has single glazed windows. It is heated using Community scheme.
Sold Prices
Flat 3B, Basil Mansions last changed hands on 26th January 2004, selling for £400,000. The transaction was logged as a leasehold flat by HM Land Registry.
In total it has sold twice since 1995.
- Sold Jan 2004£400,000
- Sold Jul 2003£400,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 41 sales of comparable properties within 250 metres of Flat 3B, Basil Mansions across the last 2 years.
Most recently, Flat 31, Princes Court 88, Brompton Road, London, SW3 1ES, a leasehold flat, sold at £925,000 on the 14th May 2024.
Read more about house prices in SW3.
- Sold May 2024£925,000 | 2 Bed FlatFlat 31, Princes Court 88, Brompton Road, London, SW3 1ESFlat 31, Princes Court 88, Brompton Road, London, SW3 1ES
- Sold May 2024£900,000 | 2 Bed FlatFlat 16, Princes Court 88, Brompton Road, London, SW3 1ESFlat 16, Princes Court 88, Brompton Road, London, SW3 1ES
- Sold Mar 2023£1,300,000 | 2 Bed Flat89 Park Mansions, Knightsbridge, London, SW1X 7QU89 Park Mansions, Knightsbridge, London, SW1X 7QU
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Properties Let Nearby
Agents in our network have reported 1 letting within 250 metres of Flat 3B, Basil Mansions across the last 2 years.
The newest of these is Flat 56, Lincoln House, Basil Street, London, SW3 1AW, a leasehold flat let by Maplewood Property in November 2025.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Location Comparison
Our analysis of the public data ranks Flat 3B, Basil Mansions as the 174th largest and the 163rd most expensive of the 233 addresses on Basil Street, London, SW3.
Against the SW3 postcode district average, it is £799k less expensive than the typical property.
More reading links
Schools Nearby
- Holy Trinity CofE Primary School800 m away
- St Joseph's Catholic Primary School800 m away
- Marlborough Primary School900 m away
- St. Thomas More Language College800 m away
- Westminster City School1.5 km away
- The Grey Coat Hospital1.9 km away
More reading links
Public Transport Nearby
- Knightsbridge|100 m away
- Hyde Park Corner|600 m away
- Sloane Square|900 m 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.












