Flat 1, 21 Bolton Road, Hounslow, London, W4 3TE
About Flat 1
Flat 1 is a one-bedroom semi-detached house in Hounslow, London, London (W4 3TE). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1900-1929 and council tax band C. At 66 m² this is the 4th smallest of 6 units on EPC record in the building, where floor areas span 55–146 m². The building's EPC ratings span D to C, with this unit at the bottom. Period features are noted in the property record. The latest certificate (May 2023) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2016. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 79).
At 66 m² the property is well over the postcode median (50 m² across 66 EPCs), placing it in the larger end of the local stock. Across 1996–2020, sale prices on this property compounded at 6.6% per year. On a £-per-square-foot basis, the last sale (£662/sq ft) was about 58.6% above the typical sold price in the postcode. Last sale on file: £470,000 in December 2020.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- Communal gardenYes
- ParkingOff street
Building
- Period featuresYes
- RefurbishedYes
Everything you need to know about Flat 1
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Glazing upgraded to newer, more efficient type
More low energy lighting installed
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
Flat 1 has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Price for Flat 1 has grown more than fourfold since the 1996 starting point.
£452,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.6% per year over 24 years.
£470,000
Growth on file: 6.6% per year over 24 years.
Sales timeline
22 December 2020Most recent
£470,000
+232.2%over 21 years29 June 1999
£141,500
+42.9%over 2 years21 August 1996
£99,000
Median price across the last 5 sales in W4 3TE: £492,000 (2024–2021).
Nearby sales in W4 3TE
Flat 4, 5 Bolton Road, Hounslow, London, W4 3TE
Sold Sept 2024
£315,000Flat 3, 21 Bolton Road, Hounslow, London, W4 3TE
Sold Oct 2023
£675,000Flat 1, 3 Bolton Road, Hounslow, London, W4 3TE
Sold Jun 2022
£405,000Flat 3, 15 Bolton Road, Hounslow, London, W4 3TE
Sold Apr 2022
£550,000Flat 6, 15 Bolton Road, Hounslow, London, W4 3TE
Sold Sept 2021
£492,000
Versus other Bolton Road homes
Years Held for Flat 1 lags the street by a wide margin.
Price per m²
£7,121
Street avg £6,912
Floor Area
66 m²
Street avg 58 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.6 t/year
Street avg 2.4 t/year
Everything you need to know about Flat 1
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
0.1 km
Cavendish Road (W4) — bus stop.
Closest school
0.6 km
Grove Park Primary School. 32 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
53.4dB

Night-time· 23:00 – 07:00
44.8dB









