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Get startedThorburn House, Flat 11, Kinnerton Street, Westminster, London, SW1X 8EX
About Thorburn House
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Thorburn House is an end-of-terrace house in Westminster, London, London (SW1X 8EX). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1967-1975 and council tax band G. At 86 m² this is the 5th smallest of 20 units on EPC record in Thorburn House, where floor areas span 82–193 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (June 2022) shows a C (score 74). The recommended improvements would push it to B (score 82).
Sale prices here have lagged London HPI: -56.5% per year against 0% for the wider region. Today's modelled estimate of £865,000 sits 133.8% above the 2024 sale of £370,000. On a £-per-square-foot basis, the last sale (£400/sq ft) was about 54.3% below the postcode norm. Most recent transfer was December 2024 at £370,000 — fresh data. At 86 m² it's 17.3% smaller than the typical home in the postcode (104 m² median across 19 EPCs).
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
C74
D
E
F
G
Main Heating
—
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
2.4 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.
Thorburn House changed hands twice within eighteen months — unusual for the area.
Current estimate
See how we calculated this£865,000
Modelled from EPC, postcode comparables and a sale-price growth of -56.5% per year over 1 year.
Last sold (2024)
£370,000
Growth on file: -56.5% per year over 1 year.
Sales timeline
Launch offer · 33% off
The complete analysis of Thorburn House, Flat 11, Kinnerton Street, Westminster, London, SW1X 8EX
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
An AI-written breakdown of everything that matters
Versus other Kinnerton Street homes
Four headline reads against 19 similar flats on this street, drawn from the latest EPC and Land Registry data.
Thorburn House is notably below the street on price per m².
Price per m²
£4,302
Street avg £15,704
Floor Area
86 m²
Street avg 106 m²
Habitable Rooms
3 rooms
Street avg 3 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
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Sloane Street / Knightsbridge Station — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SW1X 8EX from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
59.9dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 78 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about Thorburn House, Flat 11, Kinnerton Street, Westminster, London, SW1X 8EX. Each answer is also embedded as structured data for search engines.
