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About 11a
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
11a is a semi-detached house in London (SW7 4LX). It has a recorded floor area of 69 m² (around 743 sq ft) and construction records dating it to before 1900. The latest certificate (March 2016) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump. The latest certificate is from March 2016, so improvements made since then won't be reflected.
At 69 m² it sits well below the postcode median (137 m² across 14 EPCs), making it one of the more compact homes locally. On a £-per-square-foot basis, the last sale (£1,245/sq ft) was about 33.2% above the typical sold price in the postcode. Sold August 2023 for £925,000.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 Mar 2026
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
11a valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£1,003,000
Modelled from EPC, postcode comparables.
Last sold (2023)
£925,000
Recorded with HM Land Registry.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 11a, Colbeck Mews, London, SW7 4LX
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other Colbeck Mews homes
Four headline reads against 5 similar flats on this street, drawn from the latest EPC and Land Registry data.
EPC Rating for 11a runs comfortably ahead of the street norm.
Price per m²
£13,406
Street avg £11,641
Floor Area
69 m²
Street avg 74 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
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Collingham Road / Sainsbury's — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SW7 4LX 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 — 92 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 11a, Colbeck Mews, London, SW7 4LX. Each answer is also embedded as structured data for search engines.