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Get started5 Belmont Avenue is a four-bedroom detached house in Barnet (EN4 9JP). It has a recorded floor area of 137 m² (around 1475 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (September 2023) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
2 planning records sit against the property, 0 approved, 0 refused, 2 pending. An active application for an extension is awaiting a decision. It changed hands recently, sold February 2025 for £869,000. Today's modelled estimate of £968,000 is 11.4% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£589/sq ft) was about 75% above the typical sold price in the postcode.
5 Belmont Avenue's carbon output runs well above what efficient homes in the postcode produce.
An application for a single-storey rear extension is currently awaiting a decision.
Extension: Single storey · Rear of property
Single storey rear extension
5 Belmont Avenue valuation sits well clear of the typical sold price in this postcode.
£968,000
Modelled from EPC, postcode comparables.
£869,000
Recorded with HM Land Registry.
Years Held for 5 Belmont Avenue lags the street by a wide margin.
Price per m²
£6,343
Street avg £4,876
Floor Area
137 m²
Street avg 149 m²
Habitable Rooms
7 rooms
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Park Road East Barnet — bus stop.

Daytime· 07:00 – 23:00
51.9dB

Roof extension involving hip to gable, rear dormer window and 1no. side facing rooflights
14 February 2025Most recent
£869,000
Median price across the last 5 sales in EN4 9JP: £860,000 (2024–2021).
Street avg 6 rooms
CO₂ Emissions
8.2 t/year
Street avg 7.3 t/year
EN4 9HN
Closest school
0.3 km
Danegrove Primary School. 31 schools nearby.
Night-time· 23:00 – 07:00
41.2dB
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