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Get started7 Bellfield Avenue is a five-bedroom detached house in Harrow (HA3 6ST). It has a recorded floor area of 360 m² (around 3875 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (April 2024) shows a C (score 69), just inside the C band. When first surveyed in June 2009 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Average and lighting went from Average to Very Good. The recommended improvements would push it to B (score 81). Other recorded features include attached land beyond the plot. The home occupies a cul-de-sac position.
Sale prices here have outpaced Harrow HPI: 6% per year against 0% for the wider region. Today's modelled estimate of £1,796,000 is 12.3% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£413/sq ft) was about 27.2% above the typical sold price in the postcode. At 360 m² the property is well over the postcode median (210 m² across 11 EPCs), placing it in the larger end of the local stock. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. Most recent transfer was December 2024 at £1,600,000 — fresh data. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
7 Bellfield Avenue's carbon output runs well above what efficient homes in the postcode produce.
Council records include a part-single-part-two-storey rear extension at 7 Bellfield Avenue.
Extension: Single storey
Single storey front and rear extensions; conversion of garage to habitable room; first floor side extension; first floor front bay window; rear dormer; external alterations; new boundary treatment
Price for 7 Bellfield Avenue has grown more than fourfold since the 1996 starting point.
£1,796,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 28 years.
£1,600,000
Growth on file: 6.0% per year over 28 years.
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On years held, 7 Bellfield Avenue runs well behind the street norm.
Price per m²
£4,444
Street avg £4,880
Floor Area
360 m²
Street avg 216 m²
Habitable Rooms
8 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Belsize Road — bus stop.

Daytime· 07:00 – 23:00
51.3dB

Changes detected from historical EPC data
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Part single, part two storey · Rear of property
Single/two storey rear extension with roof alterations
20 December 2024Most recent
£1,600,000
+56.1%over 12 years16 July 2012
£1,025,000
+83.0%over 10 years22 March 2002
£560,000
+8.7%over 8 months19 July 2001
£515,000
+64.0%over 4 years24 October 1996
£314,117
Median price across the last 5 sales in HA3 6ST: £1,345,000 (2024–2015).
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Street avg 8 rooms
CO₂ Emissions
11.0 t/year
Street avg 7.1 t/year
HA3 6ST
Closest school
0.6 km
Hujjat Primary School. 27 schools nearby.
Night-time· 23:00 – 07:00
42.6dB