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Get started41 Chelmsford Square is a four-bedroom semi-detached house in Brent, London, London (NW10 3AP). It has a recorded floor area of 286 m² (around 3078 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (January 2019) shows a C (score 78), near the top of the C band. When first surveyed in November 2015 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Average and window efficiency went from Poor to Good. The recommended improvements would push it to B (score 82). Period features are noted in the property record.
Today's modelled estimate of £2,939,000 sits 106.2% above the 2016 sale of £1,425,000. 10 planning records sit against the property, 6 approved, 4 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. At 286 m² it's 24.9% larger than the typical home in the postcode (229 m² median across 11 EPCs). On the market in March 2016 and unlisted since — roughly 10 years.
41 Chelmsford Square has been extended on multiple sides of the property across separate planning applications.
Extension: Single storey · Side of property
Erection of first floor side extension to dwellinghouse
41 Chelmsford Square valuation sits well clear of the typical sold price in this postcode.
£2,939,000
Modelled from EPC, postcode comparables.
£1,425,000
Recorded with HM Land Registry.
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Floor Area for 41 Chelmsford Square runs comfortably ahead of the street norm.
Price per m²
£4,983
Street avg £6,678
Floor Area
286 m²
Street avg 208 m²
Habitable Rooms
8 rooms
Rail-style transport is unusually close for this postcode.
Crime
11/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
All Souls Avenue — bus stop.

Daytime· 07:00 – 23:00
50.8dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Wall insulation improved
Roof insulation improved
More low energy lighting installed
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Extension: Single storey · Side of property
Erection of first floor side extension to dwellinghouse
8 more applications for this property
Join to see all planning history.
30 March 2016Most recent
£1,425,000
Median price across the last 5 sales in NW10 3AP: £1,750,000 (2025–2021).
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Detailed EPC data
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Comparable homes and street-level pricing
Full planning history
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Street avg 7 rooms
CO₂ Emissions
5.6 t/year
Street avg 7.4 t/year
NW10 3AH
Closest school
0.6 km
Harris Lowe Academy Willesden. 80 schools nearby.
Night-time· 23:00 – 07:00
39.8dB