21b, Ennismore Avenue, London, W4 1SE
About 21b
21b is a semi-detached house in London (W4 1SE). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to 1900-1929. At 55 m² this is the 6th smallest of 24 units on EPC record in the building, where floor areas span 40–101 m². The building's EPC ratings span E to C across 24 units on file. The latest certificate (January 2022) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2012); the latest reading is one band lower. The recommended improvements would push it to C (score 79).
At 55 m² it's 20.2% smaller than the typical home in the postcode (69 m² median across 48 EPCs).
Everything you need to know about 21b
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
21b has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£468,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
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.
Median price across the last 5 sales in W4 1SE: £824,000 (2025–2023).
Nearby sales in W4 1SE
23 Ennismore Avenue, Hounslow, London, W4 1SE
Sold Feb 2025
£375,0009 Ennismore Avenue, Hounslow, London, W4 1SE
Sold Feb 2024
£2,335,00021 Ennismore Avenue, Hounslow, London, W4 1SE
Sold Dec 2023
£800,000Flat 3, 23 Ennismore Avenue, London, W4 1SE
Sold Sept 2023
£824,00025 Ennismore Avenue, Hounslow, London, W4 1SE
Sold May 2023
£1,550,000
Versus other Ennismore Avenue homes
EPC Rating
67 (D)
Street avg 65 (D)
Floor Area
55 m²
Street avg 65 m²
CO₂ Emissions
2.3 t/year
Street avg 2.8 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 21b
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
Every report £14.99, one-off · 30-day money-back guarantee · emailed in minutes
The data behind every report
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The neighbourhood at a glance
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
Stamford Brook Bus Garage — bus stop.
Closest school
0.7 km
The William Hogarth Primary School. 56 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
56.2dB
Night-time· 23:00 – 07:00
47.0dB