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Get started15 Hawthorne Avenue is a semi-detached house in Harrow (HA3 8AG). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1900-1929 and council tax band C. At 59 m² this is the smallest unit on EPC record across the building (59–199 m²). The building's EPC ratings span E to B across 20 units on file. The latest certificate (May 2020) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since June 2009. Between certificates, window efficiency went from Average to Good.
Sale prices here have lagged Harrow HPI: -4.5% per year against 0% for the wider region. Today's modelled estimate of £346,000 sits 1422.9% above the 2021 sale of £22,720. On a £-per-square-foot basis, the last sale (£36/sq ft) was about 92.1% below the postcode norm. At 59 m² it sits well below the postcode median (122 m² across 19 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). Sold March 2021 for £22,720. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Latest sale on 15 Hawthorne Avenue was the lowest on Land Registry record across the postcode.
£346,000
Modelled from EPC, postcode comparables and a sale-price growth of -4.5% per year over 24 years.
£22,720
Growth on file: -4.5% per year over 24 years.
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Detailed AI analysis
15 Hawthorne Avenue is notably below the street on price per m².
Price per m²
£385
Street avg £5,384
Floor Area
59 m²
Street avg 72 m²
Habitable Rooms
4 rooms
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
Kenton Station — bus stop.

Daytime· 07:00 – 23:00
50.8dB

Changes detected from historical EPC data
Window efficiency improved
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31 March 2021Most recent
£22,720
-93.0%over 4 years31 March 2016
£325,000
+65.0%over 10 years20 January 2006
£197,000
+181.4%over 9 years11 October 1996
£70,000
Median price across the last 5 sales in HA3 8AG: £727,500 (2025–2022).
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Street avg 3 rooms
CO₂ Emissions
2.3 t/year
Street avg 2.7 t/year
Closest school
0.6 km
Harrow High School. 42 schools nearby.
Night-time· 23:00 – 07:00
41.2dB