12 Wighton Mews, Isleworth, TW7 4DZ
About 12 Wighton Mews
12 Wighton Mews is a four-bedroom detached house in Isleworth (TW7 4DZ). It has a recorded floor area of 130 m² (around 1399 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (September 2024) shows a D (score 57), a step below the typical UK home. Earlier certificates rated it C (May 2010); the latest reading is one band lower. Between certificates, wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 77).
Most recent transfer was September 2025 at £685,000 — fresh data. One planning record on file: an extension approved in 2026. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. Across 1998–2025, sale prices on this property compounded at 4.2% per year. On a £-per-square-foot basis, the last sale (£490/sq ft) was about 147.8% above the typical sold price in the postcode.
Know exactly what you're buying at 12 Wighton Mews
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
- Bedrooms4
- Bathrooms3
- EnsuiteYes
Outside
- GarageYes
Energy performance
12 Wighton Mews's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
Planning history
- Feb 2026Garage ConversionFullIn report
Extension: Single storey · Rear of property
Erection of a single storey rear extension and conversion of the garage into a habitable room of the house
Extension- Documents
- 5 docs on file
- Reference
- P/2025/3502
We flagged 2 things worth checking at 12 Wighton Mews
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
Sale price has grown by over 3x since 1998.
£719,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 27 years.
£685,000
Growth on file: 4.2% per year over 27 years.
Sales timeline
29 September 2025Most recent
£685,000
+176.2%over 24 years5 July 2001
£248,000
+10.2%over 3 years29 June 1998
£225,000
Median price across the last 5 sales in TW7 4DZ: £585,000 (2024–2015).
Nearby sales in TW7 4DZ
Everything we know about 12 Wighton Mews, 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 Wighton Mews homes
Price per m² for 12 Wighton Mews runs comfortably ahead of the street norm.
Price per m²
£5,269
Street avg £3,726
Floor Area
130 m²
Street avg 148 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
6.0 t/year
Street avg 4.9 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
0.1 km
West Thames College — bus stop.
Closest school
0.1 km
West Thames College. 46 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
54.0dB
Night-time· 23:00 – 07:00
43.5dB