44 Sidmouth Avenue, Isleworth, TW7 4DR
About 44 Sidmouth Avenue
44 Sidmouth Avenue is a three-bedroom semi-detached house in Isleworth (TW7 4DR). It has a recorded floor area of 84 m² (around 907 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (August 2011) shows a D (score 65), on the cusp of jumping into the C band. The latest certificate is from August 2011, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.
Across 2008–2011, sale prices on this property compounded at 9.9% per year. Today's modelled estimate of £556,000 sits 52.3% above the 2011 sale of £364,950. On a £-per-square-foot basis, the last sale (£402/sq ft) was about 31.8% above the typical sold price in the postcode. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Last changed hands 14 years ago, in December 2011.
Know exactly what you're buying at 44 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
- Bedrooms3
Building
- RefurbishedYes
- Extension potentialPossible
Energy performance
44 Sidmouth Avenue's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 Aug 2021
EPC Rating
Planning history
44 Sidmouth Avenue has 2 separate extension applications on the council record.
- Nov 2015ExtensionOutlineIn report
Extension: Single storey · Rear of property
Ground floor rear extension 4.51 metres deep, maximum height of 3.21 metres, 2.89 metres high to the eaves
- Documents
- 8 docs on file
- Reference
- PA/2015/4397
- Sept 2015Loft ConversionOutlineIn report
Certificate of lawfulness for erection of a rear roof extension with hip to gable conversion, juliet balcony and 2 roof windows to front elevation
- Documents
- 9 docs on file
- Reference
- P/2015/3721
We flagged 2 things worth checking at 44 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
44 Sidmouth Avenue valuation sits well clear of the typical sold price in this postcode.
£556,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.9% per year over 3 years.
£364,950
Growth on file: 9.9% per year over 3 years.
Sales timeline
22 December 2011Most recent
£364,950
+35.2%over 3 years16 October 2008
£270,000
Median price across the last 5 sales in TW7 4DR: £640,000 (2024–2019).
Nearby sales in TW7 4DR
Everything we know about 44 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
44 Sidmouth Avenue is notably below the street on floor area.
Price per m²
£4,331
Street avg £5,114
Floor Area
84 m²
Street avg 103 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
3.6 t/year
Street avg 4.4 t/year
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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