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Get started33 Courtenay Avenue is a mid-terrace house in Harrow (HA3 5JH). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (June 2025) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (October 2010); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to A (score 92), a 3-band jump.
At 68 m² it's 22.3% smaller than the typical home in the postcode (88 m² median across 16 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
33 Courtenay Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£393,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
On floor area, 33 Courtenay Avenue runs well behind the street norm.
EPC Rating
67 (D)
Street avg 65 (D)
Floor Area
68 m²
Street avg 91 m²
CO₂ Emissions
2.8 t/year
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Long Elmes — bus stop.

Daytime· 07:00 – 23:00
50.8dB

Changes detected from historical EPC data
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 5 sales in HA3 5JH: £249,999 (2015–2003).
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Street avg 3.7 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
Closest school
0.3 km
St Teresa's Catholic Primary School and Nursery. 27 schools nearby.
Night-time· 23:00 – 07:00
39.5dB