Annexe, 52 The Drive, Isleworth, TW7 4AD
About Annexe
Annexe is a detached house in Isleworth (TW7 4AD). It has a recorded floor area of 30 m² (around 323 sq ft), construction records dating it to 1991-1995 and council tax band A. The latest certificate (June 2021) shows an E (score 40), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 66). Main heating runs on electricity.
At 30 m² it sits well below the postcode median (104 m² across 12 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 3 planning records sit against the property, 0 approved, 1 refused, 1 pending. An application is currently awaiting a decision.
Know exactly what you're buying at Annexe
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
Annexe sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
There is a planning application currently awaiting a decision.
- Feb 2026AmendmentIn report
Certificate of lawfulness existing for the continued use of the premises as a self contained flat.
Retrospective- Documents
- 6 docs on file
- Reference
- P/2026/0553
- Feb 2026OutlineIn report
Certificate of lawfulness for the continued use of the premises as a self contained flat.
Retrospective- Documents
- 19 docs on file
- Reference
- P/2026/0373
We flagged 3 things worth checking at Annexe
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
- A planning decision worth checking
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Sales history & valuation
Annexe has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£238,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in TW7 4AD: £375,000 (2024–2007).
Everything we know about Annexe, 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
- A planning decision worth checking
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Star Road — bus stop.
Closest school
0.1 km
Spring Grove Primary School. 44 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
53.6dB
Night-time· 23:00 – 07:00
43.5dB