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Get startedWashington House, Flat 6, Basil Street, Kensington And Chelsea, London, SW3 1AR
3 sales on record
About Washington House
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Washington House is a three-bedroom mid-terrace house in Kensington And Chelsea, London, London (SW3 1AR). It has a recorded floor area of 163 m² (around 1755 sq ft), construction records dating it to before 1900 and council tax band H. At 163 m² this is the 5th smallest of 8 units on EPC record in Washington House, where floor areas span 145–215 m². The building's EPC ratings span E to B across 8 units on file. The latest certificate (November 2015) shows a C (score 79), near the top of the C band. The recommended improvements would push it to B (score 87). The latest certificate is from November 2015, so improvements made since then won't be reflected.
Sale prices here have outpaced London HPI: 7.4% per year against 0% for the wider region. Today's modelled estimate of £2,758,000 is 28.4% below the 2024 sale of £3,850,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£2,194/sq ft) was about 134.6% above the typical sold price in the postcode. Sold November 2024 for £3,850,000.
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
- Bedrooms3
- Bathrooms1
- Dining roomYes
- CloakroomYes
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 10 Nov 2025
EPC Rating
A
B
C
C79
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
3.0 t/year
Occupancy
Owner Occupied
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Price for Washington House has grown more than fourfold since the 1996 starting point.
Current estimate
See how we calculated this£2,758,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 28 years.
Last sold (2024)
£3,850,000
Growth on file: 7.4% per year over 28 years.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of Washington House, Flat 6, Basil Street, Kensington And Chelsea, London, SW3 1AR
Everything we know about this property, compiled into one in-depth, downloadable report.
Versus other Basil Street homes
Four headline reads against 7 similar flats on this street, drawn from the latest EPC and Land Registry data.
Washington House is notably below the street on years held.
Price per m²
£23,620
Street avg £13,542
Floor Area
163 m²
Street avg 174 m²
Habitable Rooms
5 rooms
Street avg 5 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 / Harrods — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SW3 1AR from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
58.0dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 79 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about Washington House, Flat 6, Basil Street, Kensington And Chelsea, London, SW3 1AR. Each answer is also embedded as structured data for search engines.