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Get started40 Cadogan Avenue is a four-bedroom semi-detached house in West Horndon, Brentwood, Brentwood (CM13 3TU). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1950-1966 and council tax band D. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility. The home occupies a cul-de-sac position. The latest certificate (August 2020) shows a D (score 56), a step below the typical UK home. The recommended improvements would push it to C (score 76).
3 planning records sit against the property, 2 approved, 0 refused, 1 pending. Past consents include an extension, partial demolition and a loft conversion, meaningful when judging how the property has evolved. An active application for a garage conversion is awaiting a decision. On a £-per-square-foot basis, the last sale (£444/sq ft) was about 49.3% above the typical sold price in the postcode. Sold November 2022 for £545,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
40 Cadogan Avenue's carbon output runs well above what efficient homes in the postcode produce.
An application for a garage conversion is currently awaiting a decision.
Application for a Lawful Development Certificate for an existing garage converted to a habitable accommodation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£564,000
Modelled from EPC, postcode comparables.
£545,000
Recorded with HM Land Registry.
40 Cadogan Avenue is notably below the street on co₂ emissions.
Price per m²
£4,781
Street avg £4,448
Floor Area
114 m²
Street avg 110 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Clavering Gardens — bus stop.

Daytime· 07:00 – 23:00
49.0dB

Extension: Single storey · Rear of property
Demolition of existing rear element and construction of single storey rear extension to include roof lantern.
1 more application for this property
Join to see all planning history.
21 November 2022Most recent
£545,000
Median price across the last 5 sales in CM13 3TU: £500,000 (2025–2022).
9 Cadogan Avenue West Horndon Brentwood
Sold Mar 2025
36 Cadogan Avenue West Horndon Brentwood
Sold Nov 2024
7 Cadogan Avenue West Horndon Brentwood
Sold Jun 2024
3 Cadogan Avenue West Horndon Brentwood
Sold Sept 2022
1a Cadogan Avenue West Horndon Brentwood
Sold Jun 2022
CO₂ Emissions
6.1 t/year
Street avg 4.7 t/year
CM13 3PX
Closest school
0.2 km
West Horndon Primary School. 2 schools nearby.
Flood risk
High
From the Environment Agency.
Night-time· 23:00 – 07:00
42.2dB
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