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Get started27 Avondale Road is a three-bedroom mid-terrace house in Harrow (HA3 7RE). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (October 2024) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2013. Between certificates, lighting went from Poor to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 81), a 2-band jump.
Sale prices here have outpaced Harrow HPI: 6.5% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£566/sq ft) was about 113.1% above the typical sold price in the postcode. Most recent transfer was October 2025 at £500,000 — fresh data. One planning record on file: a loft conversion approved in 2004. Past consents include a loft conversion, meaningful when judging how the property has evolved.
Recommended upgrades on file would lift this property by multiple EPC bands.
Certificate of lawful proposed development: rear dormer roof extension
Price for 27 Avondale Road has grown more than fourfold since the 1998 starting point.
£488,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 28 years.
£500,000
Growth on file: 6.5% per year over 28 years.
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Detailed AI analysis
Price per m² for 27 Avondale Road runs comfortably ahead of the street norm.
Price per m²
£6,098
Street avg £2,653
Floor Area
82 m²
Street avg 99 m²
Habitable Rooms
6 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Warham Road — bus stop.

Daytime· 07:00 – 23:00
51.5dB

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.
27 October 2025Most recent
£500,000
+9.9%over 8 years1 March 2017
£455,000
+21.2%over 2 years12 September 2014
£375,555
+10.5%over 7 months21 February 2014
£340,000
+290.8%over 16 years23 January 1998
£87,000
Median price across the last 5 sales in HA3 7RE: £355,000 (2023–2016).
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Detailed EPC data
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Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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Street avg 5 rooms
CO₂ Emissions
3.4 t/year
Street avg 4.3 t/year
HA3 7HS
Closest school
0.4 km
Belmont School. 39 schools nearby.
Night-time· 23:00 – 07:00
40.3dB