37a, South Street, Isleworth, TW7 7AL
About 37a
37a is a mid-terrace house in Isleworth (TW7 7AL). It has a recorded floor area of 111 m² (around 1195 sq ft), construction records dating it to 1930-1949 and council tax band C. At 111 m² this is the largest unit on EPC record across the building (37–111 m²). The building's EPC ratings span D to B across 9 units on file. The latest certificate (October 2022) shows a C (score 69), just inside the C band.
At 111 m² the property is well over the postcode median (44 m² across 8 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2010. Past consents include an extension, meaningful when judging how the property has evolved. Across 1995–2022, sale prices on this property compounded at 6.3% per year. Today's modelled estimate of £368,000 is 11.5% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£276/sq ft) was about 16.2% below the postcode norm. Last sale on file: £330,000 in November 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 37a
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
EPC Rating
Planning history
37a has an approved single-storey rear extension on the planning record.
- Feb 2010ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of a rear roof extension and insertion of one rooflight into the rear elevation of the roof of the first floor flat.
- Reference
- P/2009/3037
We flagged 1 thing worth checking at 37a
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Price for 37a has grown more than fourfold since the 1995 starting point.
£368,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 28 years.
£330,000
Growth on file: 6.3% per year over 28 years.
Sales timeline
7 November 2022Most recent
£330,000
+65.0%over 5 years29 March 2017
£200,000
+17.6%over 7 years9 February 2010
£170,000
+13.3%over 1 year3 April 2008
£150,000
-16.7%over 4 years21 September 2003
£180,000
+200.0%over 8 years30 January 1995
£60,000
Median price across the last 5 sales in TW7 7AL: £277,500 (2022–2013).
Nearby sales in TW7 7AL
Flat 2, 33 South Street, Isleworth, TW7 7AL
Sold Mar 2022
£375,00035a, South Street, Isleworth, TW7 7AL
Sold Aug 2015
£277,500Flat 1, 33 South Street, Isleworth, TW7 7AL
Sold Sept 2013
£250,000Flat 5, 33 South Street, Isleworth, TW7 7AL
Sold Jul 2013
£225,00035a, Garden Flat, South Street, Isleworth, TW7 7AL
Sold Jun 1997
£60,000
Everything we know about 37a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby
Versus other South Street homes
37a is notably below the street on price per m².
Price per m²
£2,973
Street avg £4,705
Floor Area
111 m²
Street avg 58 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
3.7 t/year
Street avg 1.6 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
South Street (TW7) — bus stop.
Closest school
0.1 km
The Blue School CofE Primary. 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
52.2dB
Night-time· 23:00 – 07:00
43.4dB