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Get startedBasil Mansions, Flat 11b, Basil Street, Kensington And Chelsea, London, SW3 1AP
About Basil Mansions
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Basil Mansions is a one-bedroom mid-terrace house in Kensington And Chelsea, London, London (SW3 1AP). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to before 1900 and council tax band E. At 40 m² this is the 3rd 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. Period features are noted in the property record. The latest certificate (July 2023) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77).
It hasn't traded since November 2004, a hold of 22 years that's notably long for the area. Sale prices here have outpaced London HPI: 16% per year against 0% for the wider region. Today's modelled estimate of £507,000 sits 58.4% above the 2004 sale of £320,000. On a £-per-square-foot basis, the last sale (£743/sq ft) was about 17% below the postcode norm. At 40 m² it sits well below the postcode median (188 m² across 21 EPCs), making it one of the more compact homes locally.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms1
- Bathrooms1
- StudyYes
Building
- Lift
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
EPC Rating
A
B
C
D
D66
E
F
G
Main Heating
—
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
2.0 t/year
Occupancy
Rented
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Current estimate
See how we calculated this£507,000
Modelled from EPC, postcode comparables and a sale-price growth of 16.0% per year over 3 years.
Last sold (2004)
£320,000
Growth on file: 16.0% per year over 3 years.
Sales timeline
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The complete analysis of Basil Mansions, Flat 11b, Basil Street, Kensington And Chelsea, London, SW3 1AP
Everything we know about this property, compiled into one in-depth, downloadable report.
Versus other Basil Street homes
Four headline reads against 21 similar flats on this street, drawn from the latest EPC and Land Registry data.
Floor Area for Basil Mansions lags the street by a wide margin.
Price per m²
£8,000
Street avg £14,945
Floor Area
40 m²
Street avg 154 m²
Habitable Rooms
2 rooms
Street avg 4 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the London district page.
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.
Road noise across the postcode
Modelled day and night-time noise levels around SW3 1AP from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
58.2dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 81 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about Basil Mansions, Flat 11b, Basil Street, Kensington And Chelsea, London, SW3 1AP. Each answer is also embedded as structured data for search engines.