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Get started331 High Road is a mid-terrace house in Harrow (HA3 5EQ). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (August 2024) shows a D (score 59), a step below the typical UK home. When first surveyed in August 2014 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average. The recommended improvements would push it to C (score 75). At 107 m² this is the 17th smallest of 18 units on EPC record in the building, where floor areas span 24–117 m². The building's EPC ratings span E to C across 18 units on file.
At 107 m² the property is well over the postcode median (55 m² across 17 EPCs), placing it in the larger end of the local stock. Sale prices here have lagged Harrow HPI: -15% per year against 0% for the wider region. Today's modelled estimate of £298,000 sits 1886.7% above the 2016 sale of £15,000. On a £-per-square-foot basis, the last sale (£13/sq ft) was about 96.4% below the postcode norm. 3 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. On the market in November 2016 and unlisted since — roughly 10 years.
331 High Road has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Single storey rear extension
Latest sale on 331 High Road was the lowest on Land Registry record across the postcode.
£298,000
Modelled from EPC, postcode comparables and a sale-price growth of -15.0% per year over 14 years.
£15,000
Growth on file: -15.0% per year over 14 years.
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On price per m², 331 High Road runs well behind the street norm.
Price per m²
£140
Street avg £4,303
Floor Area
107 m²
Street avg 61 m²
Habitable Rooms
5 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Long Elmes / Aspri Medical Centre — bus stop.

Daytime· 07:00 – 23:00
52.3dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Roof insulation improved
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Use of part of first floor residential accommodation as beauty salon
1 more application for this property
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23 November 2016Most recent
£15,000
-91.7%over 12 years19 January 2004
£179,950
+20.0%over 1 year23 September 2002
£150,000
Median price across the last 5 sales in HA3 5EQ: £240,000 (2020–2009).
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Full planning history
Every application and decision on record
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Street avg 3 rooms
CO₂ Emissions
5.2 t/year
Street avg 3.4 t/year
Closest school
0.4 km
Salvatorian Roman Catholic College. 30 schools nearby.
Night-time· 23:00 – 07:00
41.0dB