21 Ennismore Avenue, Hounslow, London, W4 1SE
About 21 Ennismore Avenue
21 Ennismore Avenue is a semi-detached house in Hounslow, London, London (W4 1SE). It has a recorded floor area of 191 m² (around 2051 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (February 2010) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 55). The latest certificate is from February 2010, so improvements made since then won't be reflected.
At 191 m² the property is well over the postcode median (68 m² across 48 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £1,735,000 sits 116.9% above the 2023 sale of £800,000. On a £-per-square-foot basis, the last sale (£390/sq ft) was about 35.1% below the postcode norm. Last sale on file: £800,000 in December 2023. Across the public record there are 8 sales, relatively high churn for a single property.
Everything you need to know about 21 Ennismore Avenue
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
21 Ennismore Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 03 Feb 2020
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 £1,795 · Includes VAT
Planning history
21 Ennismore Avenue 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
21 Ennismore Avenue has changed hands more often than typical for the area.
£1,735,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.1% per year over 22 years.
£800,000
Growth on file: 0.1% per year over 22 years.
Sales timeline
11 December 2023Most recent
£800,000
+14.3%over 6 years1 December 2017
£700,000
+32.1%over 5 years30 August 2012
£530,000
-9.7%9 August 2012
£587,000
+80.6%over 2 years20 June 2010
£325,000
-20.7%20 June 2010
£410,000
-13.7%20 June 2010
£475,000
-39.9%over 8 years9 November 2001
£790,000
Median price across the last 5 sales in W4 1SE: £824,000 (2025–2022).
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
£2,335,000Flat 3, 23 Ennismore Avenue, London, W4 1SE
Sold Sept 2023
£824,00025 Ennismore Avenue, Hounslow, London, W4 1SE
Sold May 2023
£1,550,00039 Ennismore Avenue, Hounslow, London, W4 1SE
Sold Feb 2022
£777,500
Versus other Ennismore Avenue homes
On price per m², 21 Ennismore Avenue runs well behind the street norm.
Price per m²
£4,199
Street avg £8,192
Floor Area
191 m²
Street avg 198 m²
Habitable Rooms
10 rooms
Street avg 7 rooms
CO₂ Emissions
12.0 t/year
Street avg 7.2 t/year
Everything you need to know about 21 Ennismore Avenue
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

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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









