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Get started15 Dunmow Gardens is a semi-detached house in West Horndon, Brentwood, Brentwood (CM13 3NL). It has a recorded floor area of 128 m² (around 1378 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (October 2021) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2020. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 76).
Sale prices here have outpaced Brentwood HPI: 29.1% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£452/sq ft) was about 23.1% above the typical sold price in the postcode. At 128 m² the property is well over the postcode median (77 m² across 30 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: March 2022 at £623,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Extension: Single storey · Side and rear of property
Single storey side and rear extension.
Latest sale on 15 Dunmow Gardens was the highest on Land Registry record across the postcode.
£640,000
Modelled from EPC, postcode comparables and a sale-price growth of 29.1% per year over 2 years.
£623,000
Growth on file: 29.1% per year over 2 years.
15 Dunmow Gardens outperforms the street on floor area by a wide margin.
Price per m²
£4,867
Street avg £4,607
Floor Area
128 m²
Street avg 84 m²
Habitable Rooms
4 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Clavering Gardens — bus stop.

Daytime· 07:00 – 23:00
47.2dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Loft conversion with new gable end and front/rear dormers, and roof light to side elevation.
15 March 2022Most recent
£623,000
+59.7%over 1 year15 May 2020
£390,000
Median price across the last 5 sales in CM13 3NL: £498,000 (2025–2023).
5 Dunmow Gardens West Horndon Brentwood
Sold Mar 2025
29 Dunmow Gardens West Horndon Brentwood
Sold Feb 2025
14 Dunmow Gardens West Horndon Brentwood
Sold Sept 2024
16 Dunmow Gardens West Horndon Brentwood
Sold Jan 2024
6 Dunmow Gardens West Horndon Brentwood
Sold Nov 2023
Street avg 4 rooms
CO₂ Emissions
3.8 t/year
Street avg 4.3 t/year
CM13 3JB
Closest school
0.4 km
West Horndon Primary School. 2 schools nearby.
Flood risk
Low
From the Environment Agency.
Night-time· 23:00 – 07:00
40.8dB
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