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Get startedJefferson House, Flat 5, 11 Basil Street, Kensington And Chelsea, London, SW3 1AX
5 sales on record
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 27 m² (around 291 sq ft) and construction records dating it to before 1900. At 27 m² this is the 16th 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 bottom. The latest certificate (May 2019) shows a D (score 64), on the cusp of jumping into the C band. Earlier certificates rated it C (November 2008); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor; while hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 75).
Sale prices here have outpaced London HPI: 6.3% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£1,617/sq ft) was about 96% above the typical sold price in the postcode. Last sale on file: £470,000 in November 2020. Across the public record there are 5 sales, relatively high churn for a single property.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
May 2019
EPC Rating
A
B
C
D
D64
E
F
G
Main Heating
—
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
1.8 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.
Sale price has grown by over 3x since 2001.
Current estimate
See how we calculated this£516,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 19 years.
Last sold (2020)
£470,000
Growth on file: 6.3% per year over 19 years.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of Jefferson House, Flat 5, 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.
Jefferson House is notably below the street on epc rating.
Price per m²
£17,407
Street avg £14,492
Floor Area
27 m²
Street avg 42 m²
Habitable Rooms
1 rooms
Street avg 1 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
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 5, 11 Basil Street, Kensington And Chelsea, London, SW3 1AX. Each answer is also embedded as structured data for search engines.