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Get startedBasil Mansions is a two-bedroom end-of-terrace house in Kensington And Chelsea, London, London (SW3 1AP). It has a recorded floor area of 67 m² (around 721 sq ft) and construction records dating it to before 1900. The latest certificate (May 2012) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since October 2008. Between certificates, wall efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 79). The latest certificate is from May 2012, so improvements made since then won't be reflected. At 67 m² this is the 7th smallest of 22 units on EPC record in Basil Mansions, where floor areas span 20–245 m². The building's EPC ratings span F to B across 22 units on file.
Sale prices here have outpaced London HPI: 9.9% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£1,525/sq ft) was about 89% above the typical sold price in the postcode. At 67 m² it sits well below the postcode median (188 m² across 21 EPCs), making it one of the more compact homes locally. Last changed hands 13 years ago, in January 2013.
Basil Mansions's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 14 May 2022
Basil Mansions valuation sits well clear of the typical sold price in this postcode.
£1,042,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.9% per year over 5 years.
£1,100,000
Growth on file: 9.9% per year over 5 years.
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On epc rating, Basil Mansions runs well behind the street norm.
Price per m²
£16,418
Street avg £14,449
Floor Area
67 m²
Street avg 153 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Sloane Street / Knightsbridge Station — bus stop.

Daytime· 07:00 – 23:00
58.2dB

Changes detected from historical EPC data
Changed to a more efficient fuel source
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
11 January 2013Most recent
£1,100,000
+66.7%over 5 years17 August 2007
£660,000
Median price across the last 5 sales in SW3 1AP: £3,600,000 (2024–2019).
Basil Mansions Flat 7 Basil Street Kensington And Chelsea London
Sold Oct 2024
Basil Mansions Flat 11 Basil Street Kensington And Chelsea London
Sold Jan 2024
Basil Mansions Flat 4b Basil Street Kensington And Chelsea London
Sold Aug 2023
Basil Mansions Flat 12 Basil Street Kensington And Chelsea London
Sold Jun 2022
Basil Mansions Flat 18 Basil Street Kensington And Chelsea London
Sold Jun 2019
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CO₂ Emissions
3.2 t/year
Street avg 5.4 t/year
SW3 1RT
Closest school
0.8 km
Holy Trinity CofE Primary School. 51 schools nearby.
Night-time· 23:00 – 07:00
49.6dB