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Get startedBasement Flat is a semi-detached house in London (SW4 9EX). It has a recorded floor area of 48 m² (around 517 sq ft) and construction records dating it to 1900-1929. The latest certificate (August 2020) shows an E (score 43), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2010. Between certificates, wall efficiency dropped from Good to Poor. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity.
At 48 m² it sits well below the postcode median (331 m² across 10 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
Basement Flat has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£484,000
Modelled from EPC, postcode comparables.
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.
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Elms Road / Windmill On The Common — bus stop.

Daytime· 07:00 – 23:00
54.7dB

Changes detected from historical EPC data
Hot water system upgraded
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 5 sales in SW4 9EX: £3,100,000 (2025–2019).
SW4 9NS
Closest school
0.2 km
The Elms Academy. 72 schools nearby.
Night-time· 23:00 – 07:00
45.4dB