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Get started2 Derby Avenue is a semi-detached house in Harrow (HA3 5JU). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (June 2018) shows an E (score 40), well below the UK norm with real room to improve. When first surveyed in September 2014 the rating was F, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Good and main heating went from Very Poor to Average. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on electricity. At 41 m² this is the 5th smallest of 21 units on EPC record in the building, where floor areas span 35–134 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (40 versus a best of 73).
At 41 m² it's 29.3% smaller than the typical home in the postcode (58 m² median across 20 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: an extension refused in 2019.
2 Derby Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
Extension: Single storey · Rear of property
INVALID - Conversion of the Garage into Habitable Space and erection of a 3 metre rear extension in order to provide existing flat with an additional bedroom and better living standard.
2 Derby Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£227,000
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 epc rating, 2 Derby Avenue runs well behind the street norm.
EPC Rating
40 (E)
Street avg 65 (D)
Floor Area
41 m²
Street avg 47 m²
CO₂ Emissions
4.6 t/year
Street avg 2.3 t/year
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Stanhope Avenue — bus stop.

Daytime· 07:00 – 23:00
52.3dB

Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Heating controls changed
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 5JU: £438,000 (2022–2017).
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Habitable Rooms
2 rooms
Street avg 2 rooms
HA3 5TE
Closest school
0.5 km
Salvatorian Roman Catholic College. 30 schools nearby.
Night-time· 23:00 – 07:00
40.9dB