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Get startedJefferson House, Flat 15, 11 Basil Street, Kensington And Chelsea, London, SW3 1AX
About Jefferson House
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Jefferson House is a mid-terrace house in Kensington And Chelsea, London, London (SW3 1AX). It has a recorded floor area of 42 m² (around 452 sq ft) and construction records dating it to 1900-1929. At 42 m² this is the 27th smallest of 32 units on EPC record in Jefferson House, where floor areas span 12–229 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (July 2019) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since May 2009. Between certificates, lighting went from Very Poor to Very Good.
At 42 m² the property is well over the postcode median (27 m² across 32 EPCs), placing it in the larger end of the local stock.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Jefferson House's carbon output is low for the local stock.
Current Certificate(1 of 2)
Jul 2019
EPC Rating
A
B
C
C77
D
E
F
G
Main Heating
—
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
1.2 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.
Jefferson House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
Current estimate
See how we calculated this£639,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
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The complete analysis of Jefferson House, Flat 15, 11 Basil Street, Kensington And Chelsea, London, SW3 1AX
Everything we know about this property, compiled into one in-depth, downloadable report.
Versus other Basil Street homes
Four headline reads against 32 similar flats on this street, drawn from the latest EPC and Land Registry data.
On epc rating, Jefferson House stands well clear of the street.
EPC Rating
77 (C)
Street avg 69 (C)
Floor Area
42 m²
Street avg 41 m²
CO₂ Emissions
1.2 t/year
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
Knightsbridge Station — tram stop.
Road noise across the postcode
Modelled day and night-time noise levels around SW3 1AX from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
58.3dB
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 Jefferson House, Flat 15, 11 Basil Street, Kensington And Chelsea, London, SW3 1AX. Each answer is also embedded as structured data for search engines.