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Get startedAon House is a semi-detached house in Harrow (HA3 0BW). It has a recorded floor area of 49 m² (around 527 sq ft) and construction records dating it to 2023. At 49 m² this is the smallest unit on EPC record across Aon House (49–99 m²). On EPC score it ranks last in the building (81 versus a best of 84). The latest certificate (January 2024) returns a B (score 81), comfortably above the UK average.
At 49 m² it's 25.8% smaller than the typical home in the postcode (66 m² median across 9 EPCs).
Aon House's carbon output is low for the local stock.
Aon House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£298,000
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
Floor Area for Aon House lags the street by a wide margin.
EPC Rating
81 (B)
Street avg 81 (B)
Floor Area
49 m²
Street avg 65 m²
CO₂ Emissions
1.0 t/year
Street avg 1.2 t/year
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Upton Gardens — bus stop.

Daytime· 07:00 – 23:00
50.5dB

Median price across the last 5 sales in HA3 0BW: £180,000 (2003–1997).
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HA3 0EY
Closest school
0.7 km
St Gregory's Catholic Science College. 45 schools nearby.
Night-time· 23:00 – 07:00
40.6dB