4 Cromwell Street, Hounslow, TW3 3LQ
About 4 Cromwell Street
4 Cromwell Street is a semi-detached house in Hounslow (TW3 3LQ). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (June 2014) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 84), a 3-band jump. The latest certificate is from June 2014, so improvements made since then won't be reflected.
4 planning records sit against the property, 3 approved, 0 refused, 1 pending. Past consents include an extension, meaningful when judging how the property has evolved. An active application for an extension is awaiting a decision. At 68 m² it's 23.2% smaller than the typical home in the postcode (89 m² median across 10 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs). On the market in February 2015 and unlisted since — roughly 11 years. Across 1995–2015, sale prices on this property compounded at 8.3% per year. Today's modelled estimate of £442,000 is 40.3% above the 2015 sale price.
Know exactly what you're buying at 4 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
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 09 Jun 2024
EPC Rating
Planning history
There is a planning application currently awaiting a decision.
- Aug 2025ExtensionAmendmentIn report
Non material amendment to allow the increase in the eaves from 2.25m to 2.5m to achieve an adequate and more functional headlight internally of planning permission P/2025/0137 approved 18/03/2025 for the erection of a single storey rear and side wrap around extension to the house
- Documents
- 3 docs on file
- Reference
- P/2025/2562
- Mar 2025ExtensionFullIn report
Extension: Single storey · Side and rear of property
Erection of a single storey rear and side wrap around extension to the house.
- Documents
- 4 docs on file
- Reference
- P/2025/0137
We flagged 2 things worth checking at 4 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
4 Cromwell Street has more than quadrupled in price since its earliest registered sale in 1995.
£442,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.3% per year over 20 years.
£315,000
Growth on file: 8.3% per year over 20 years.
Sales timeline
17 February 2015Most recent
£315,000
+380.9%over 19 years22 June 1995
£65,500
Median price across the last 5 sales in TW3 3LQ: £925,000 (2025–2021).
Nearby sales in TW3 3LQ
Everything we know about 4 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, 4 Cromwell Street runs well behind the street norm.
Price per m²
£4,632
Street avg £3,850
Floor Area
68 m²
Street avg 89 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
5.0 t/year
Street avg 4.3 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