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Get started21 Chatsworth Gardens is a four-bedroom semi-detached house in Ealing, London, London (W3 9LN). It has a recorded floor area of 160 m² (around 1722 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (January 2024) shows a C (score 73). The recommended improvements would push it to B (score 88). Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced London HPI: 5.6% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£624/sq ft) was about 94.1% above the typical sold price in the postcode. At 160 m² the property is well over the postcode median (65 m² across 33 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 76% of similar EPCs). 3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last sale on file: £1,075,000 in June 2024.
A recent planning application at 21 Chatsworth Gardens was refused — worth checking the council file.
Rear roof extension to rear outrigger gable roof and installation of one rooflight to front roofslope
Sale price has grown by over 3x since 2001.
£1,063,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 23 years.
£1,075,000
Growth on file: 5.6% per year over 23 years.
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Detailed AI analysis
On price per m², 21 Chatsworth Gardens stands well clear of the street.
Price per m²
£6,719
Street avg £4,138
Floor Area
160 m²
Street avg 177 m²
Habitable Rooms
6 rooms
Rail-style transport is unusually close for this postcode.
Crime
13/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Denehurst Gardens — bus stop.

Daytime· 07:00 – 23:00
54.1dB

Extension: Side and rear of property
Single storey side/rear (wraparound) extension
1 more application for this property
Join to see all planning history.
21 June 2024Most recent
£1,075,000
+246.8%over 22 years1 October 2001
£310,000
Median price across the last 5 sales in W3 9LN: £852,000 (2025–2023).
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Full planning history
Every application and decision on record
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Street avg 8 rooms
CO₂ Emissions
4.8 t/year
Street avg 7.1 t/year
W3 9EZ
Closest school
0.1 km
Twyford Church of England High School. 39 schools nearby.
Night-time· 23:00 – 07:00
44.8dB