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Get started33 Christchurch Avenue is a six-bedroom semi-detached house in Harrow (HA3 8ND). It has a recorded floor area of 189 m² (around 2034 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (September 2021) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in February 2012 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average and lighting went from Average to Very Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 80).
Sale prices here have outpaced Harrow HPI: 10.4% per year against 0% for the wider region. At 189 m² the property is well over the postcode median (125 m² across 12 EPCs), placing it in the larger end of the local stock. 6 bedrooms is on the larger side for this postcode, where 4 is the typical count. One planning record on file: an extension approved in 2012. Past consents include an extension, meaningful when judging how the property has evolved. Sold November 2021 for £868,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
33 Christchurch Avenue's carbon output runs well above what efficient homes in the postcode produce.
Extension: Part single, part two storey · Side and rear of property
Single storey front and two storey side and rear extensions; rear dormer; insertion of one rooflight in rear and two in front roofslope
Latest sale on 33 Christchurch Avenue was the highest on Land Registry record across the postcode.
£914,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.4% per year over 9 years.
£868,000
Growth on file: 10.4% per year over 9 years.
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Detailed AI analysis
33 Christchurch Avenue outperforms the street on floor area by a wide margin.
Price per m²
£4,593
Street avg £9,286
Floor Area
189 m²
Street avg 134 m²
Habitable Rooms
7 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
49.3dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
1 November 2021Most recent
£868,000
+155.3%over 9 years4 May 2012
£340,000
Median price across the last 5 sales in HA3 8ND: £570,000 (2025–2023).
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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Street avg 6 rooms
CO₂ Emissions
7.5 t/year
Street avg 6.1 t/year
HA3 8QE
Kenton Library — bus stop.
Closest school
0.4 km
Priestmead Primary School and Nursery. 41 schools nearby.
Night-time· 23:00 – 07:00
38.8dB