47 James Street, Hounslow, TW3 1SP
About 47 James Street
47 James Street is a three-bedroom mid-terrace house in Hounslow (TW3 1SP). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (November 2019) shows a C (score 70). The recommended improvements would push it to B (score 89). Our model identifies extension potential, subject to local planning policy.
2 planning records sit against the property, 1 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 88 m² it's 17.3% larger than the typical home in the postcode (75 m² median across 18 EPCs). Across 2020–2024, sale prices on this property compounded at 5.5% per year. On a £-per-square-foot basis, the last sale (£565/sq ft) was about 92.6% above the typical sold price in the postcode. Most recent transfer: October 2024 at £535,000.
Know exactly what you're buying at 47 James 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
- Bedrooms3
- Bathrooms1
Outside
- Private gardenYes
Building
- RefurbishedYes
- Extension potentialPossible
Energy performance
EPC Rating
Planning history
An application for a single-storey rear extension is currently awaiting a decision.
- Apr 2026ExtensionOutlineIn report
Extension: Single storey · Rear of property
Ground floor rear extension 6.00 metres deep, maximum height of 3.60 metres, 2.94 metres high to the eaves
- Documents
- 5 docs on file
- Reference
- PA/2026/1121
- Jan 2025ExtensionOutlineIn report
Extension: Single storey · Rear of property
Ground floor rear extension 6.00 metres deep, maximum height 2.99 metres, 2.89 metres high to the eaves
- Documents
- 7 docs on file
- Reference
- PA/2024/4371
We flagged 2 things worth checking at 47 James 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
47 James Street valuation sits well clear of the typical sold price in this postcode.
£529,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 5 years.
£535,000
Growth on file: 5.5% per year over 5 years.
Sales timeline
8 October 2024Most recent
£535,000
+28.6%over 4 years17 January 2020
£416,000
Median price across the last 5 sales in TW3 1SP: £420,000 (2025–2020).
Everything we know about 47 James 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 James Street homes
On years held, 47 James Street runs well behind the street norm.
Price per m²
£6,080
Street avg £4,494
Floor Area
88 m²
Street avg 77 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
2.9 t/year
Street avg 3.2 t/year
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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
0.3 km
Hounslow Bus Station — bus stop.
Closest school
0.3 km
Hounslow Town Primary School. 51 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
52.8dB

Night-time· 23:00 – 07:00
41.9dB