66 Sidmouth Avenue, Isleworth, TW7 4DR
About 66 Sidmouth Avenue
66 Sidmouth Avenue is a five-bedroom semi-detached house in Isleworth (TW7 4DR). It has a recorded floor area of 150 m² (around 1615 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (June 2023) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77). Period features are noted in the property record. Records show the property has been extended at some point in its history. The home occupies a cul-de-sac position.
At 150 m² the property is well over the postcode median (92 m² across 19 EPCs), placing it in the larger end of the local stock. 5 bedrooms is on the larger side for this postcode, where 4 is the typical count. One planning record on file: an extension approved in 2003. Past consents include an extension, meaningful when judging how the property has evolved. Across 1997–2024, sale prices on this property compounded at 6.1% per year. On a £-per-square-foot basis, the last sale (£465/sq ft) was about 27.1% above the typical sold price in the postcode. Sold February 2024 for £750,000.
Know exactly what you're buying at 66 Sidmouth Avenue
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
- Bedrooms5
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- GarageYes
- Cul-de-sacYes
Building
- Period featuresYes
- Previously extendedYes
Energy performance
EPC Rating
Planning history
66 Sidmouth Avenue has an approved single-storey extension on the planning record.
- Apr 2003ExtensionFullIn report
Extension: Single storey
Erection of a rear roof extension, and rooflights, 2 to side and 1 to rear elevation, of existing dwellinghouse
- Reference
- P/2003/0644
We flagged 2 things worth checking at 66 Sidmouth Avenue
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
Latest sale on 66 Sidmouth Avenue was the highest on Land Registry record across the postcode.
£739,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 27 years.
£750,000
Growth on file: 6.1% per year over 27 years.
Sales timeline
9 February 2024Most recent
£750,000
+78.6%over 17 years6 March 2006
£420,000
+42.4%over 3 years18 July 2002
£295,000
+94.1%over 5 years17 April 1997
£152,000
Median price across the last 5 sales in TW7 4DR: £575,000 (2023–2019).
Nearby sales in TW7 4DR
Everything we know about 66 Sidmouth Avenue, 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 Sidmouth Avenue homes
66 Sidmouth Avenue is notably below the street on years held.
Price per m²
£5,000
Street avg £5,058
Floor Area
150 m²
Street avg 99 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
5.4 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
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
West Thames College — bus stop.
Closest school
0.2 km
West Thames College. 48 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
53.4dB
Night-time· 23:00 – 07:00
43.2dB