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Get started33 Belsize Road is a three-bedroom semi-detached house in Harrow (HA3 6JL). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (November 2018) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since September 2018. Between certificates, lighting dropped from Average to Very Poor. The recommended improvements would lift it to B (score 86), a 2-band jump.
Sale prices here have outpaced Harrow HPI: 7.3% per year against 0% for the wider region. Today's modelled estimate of £502,000 is 24.6% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£657/sq ft) was about 113.1% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 57 m² it's 21.9% smaller than the typical home in the postcode (73 m² median across 28 EPCs). Most recent transfer: September 2019 at £403,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
33 Belsize Road has 2 separate extension applications on the council record.
Extension: Single storey · Rear of property
Single Storey Rear Extension: 6 metres deep, 2.7 metres maximum height, 2.7 metres high to the eaves
33 Belsize Road has more than quadrupled in price since its earliest registered sale in 1997.
£502,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.3% per year over 22 years.
£403,000
Growth on file: 7.3% per year over 22 years.
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Detailed AI analysis
Floor Area for 33 Belsize Road lags the street by a wide margin.
Price per m²
£7,070
Street avg £5,074
Floor Area
57 m²
Street avg 78 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Rail-style transport is unusually close for this postcode.
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
53.7dB

Extension: Single storey · Rear of property
Single Storey Rear Extension: 6 metres deep, 2.7 metres maximum height, 2.7 metres high to the eaves
18 September 2019Most recent
£403,000
+283.8%over 20 years25 February 1999
£105,000
+26.5%over 1 year4 April 1997
£83,000
Median price across the last 5 sales in HA3 6JL: £555,000 (2025–2022).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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CO₂ Emissions
3.0 t/year
Street avg 3.8 t/year
HA3 6JF
Closest school
0.5 km
Cedars Manor School. 29 schools nearby.
Night-time· 23:00 – 07:00
43.7dB