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Get started23 Donnington Road is a five-bedroom semi-detached house in Harrow (HA3 0NB). It has a recorded floor area of 210 m² (around 2260 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (February 2022) shows a C (score 70). When first surveyed in March 2009 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to B (score 82). Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced Harrow HPI: 4.7% per year against 0% for the wider region. At 210 m² the property is well over the postcode median (144 m² across 13 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. One planning record on file: an extension approved in 2003. Past consents include an extension, meaningful when judging how the property has evolved. Last sale on file: £911,000 in September 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
23 Donnington Road ranks among the most efficient homes in the postcode for energy use.
Erection of rear dormer window extension and installation of two front and 1 side roof-light to dwelling house
Latest sale on 23 Donnington Road was the highest on Land Registry record across the postcode.
£965,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 12 years.
£911,000
Growth on file: 4.7% per year over 12 years.
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Detailed AI analysis
On floor area, 23 Donnington Road stands well clear of the street.
Price per m²
£4,338
Street avg £4,093
Floor Area
210 m²
Street avg 148 m²
Habitable Rooms
8 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
Dovedale Avenue — bus stop.

Daytime· 07:00 – 23:00
50.7dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Window efficiency improved
Wall insulation improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
5 September 2022Most recent
£911,000
+75.2%over 12 years23 July 2010
£520,000
Median price across the last 5 sales in HA3 0NB: £740,000 (2024–2016).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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Street avg 6 rooms
CO₂ Emissions
6.3 t/year
Street avg 7.4 t/year
HA3 0NQ
Closest school
0.2 km
St Gregory's Catholic Science College. 46 schools nearby.
Night-time· 23:00 – 07:00
40.6dB