1 Cromwell Street, Hounslow, TW3 3LQ
About 1 Cromwell Street
1 Cromwell Street is a six-bedroom semi-detached house in Hounslow (TW3 3LQ). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (December 2025) shows an F (score 31), near the bottom of the EPC scale. The recommended improvements would lift it to B (score 84), a 4-band jump. This certificate was lodged in the last six months, so the rating reflects current condition.
It hasn't traded since September 2005, a hold of 21 years that's notably long for the area. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 6 bedrooms is on the larger side for this postcode, where 2 is the typical count. Today's modelled estimate of £471,000 sits 104.8% above the 2005 sale of £230,000. On a £-per-square-foot basis, the last sale (£237/sq ft) was about 44.8% below the postcode norm. 3 planning records sit against the property, 0 approved, 1 refused.
Know exactly what you're buying at 1 Cromwell Street
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms6
- Bathrooms3
Energy performance
1 Cromwell Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
- Aug 2019Demolition And RebuildFullIn report
Demolition of existing garages and erection of a double garage and wall
- Documents
- 6 docs on file
- Reference
- P/2019/2189
- Jun 2014Demolition And RebuildFullIn report
Demolition of existing garages and erection of a double garage and wall
- Documents
- 8 docs on file
- Reference
- P/2014/1528
We flagged 2 things worth checking at 1 Cromwell Street
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
1 Cromwell Street valuation sits well clear of the typical sold price in this postcode.
£471,000
Modelled from EPC, postcode comparables.
£230,000
Recorded with HM Land Registry.
Sales timeline
1 September 2005Most recent
£230,000
Median price across the last 5 sales in TW3 3LQ: £925,000 (2025–2021).
Nearby sales in TW3 3LQ
Everything we know about 1 Cromwell Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Cromwell Street homes
On epc rating, 1 Cromwell Street runs well behind the street norm.
Price per m²
£2,556
Street avg £4,109
Floor Area
90 m²
Street avg 87 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
7.8 t/year
Street avg 4.0 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
16/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
The Bell — bus stop.
Closest school
0.3 km
Grove Road Primary School. 40 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
55.8dB

Night-time· 23:00 – 07:00
46.9dB