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Get started21 Forest Side is a seven-bedroom detached house in Waltham Forest, London, London (E4 6BA). It has a recorded floor area of 252 m² (around 2713 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (October 2021) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 81).
At 252 m² the property is well over the postcode median (63 m² across 34 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs). 7 bedrooms is on the larger side for this postcode, where 3 is the typical count. 3 planning records sit against the property, 1 approved, 2 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £1,285,000 is 11.7% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£424/sq ft) was about 25.7% above the typical sold price in the postcode. Sold August 2023 for £1,150,000.
21 Forest Side's carbon output runs well above what efficient homes in the postcode produce.
A a single-storey rear extension application was refused at 21 Forest Side in 2023.
Extension: Single storey · Rear of property
Construction of a single storey rear infill extension. Alterations to fenestration at ground floor side and rear elevations. (Amended)
Latest sale on 21 Forest Side was the highest on Land Registry record across the postcode.
£1,285,000
Modelled from EPC, postcode comparables.
£1,150,000
Recorded with HM Land Registry.
Floor Area for 21 Forest Side runs comfortably ahead of the street norm.
Price per m²
£4,563
Street avg £4,700
Floor Area
252 m²
Street avg 123 m²
Habitable Rooms
7 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Valance Avenue — bus stop.

Daytime· 07:00 – 23:00
49.5dB

Extension: Single storey · Rear of property
Lawful Development Certificate (Proposed) - Construction of a single storey rear infill extension.
1 more application for this property
Join to see all planning history.
4 August 2023Most recent
£1,150,000
Median price across the last 5 sales in E4 6BA: £374,000 (2025–2023).
Street avg 6 rooms
CO₂ Emissions
7.5 t/year
Street avg 5.2 t/year
E4 6LZ
Closest school
0.4 km
Heathcote School & Science College. 21 schools nearby.
Night-time· 23:00 – 07:00
40.7dB
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