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Get started21 Grant Road is a mid-terrace house in Harrow (HA3 7SB). It has a recorded floor area of 157 m² (around 1690 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (June 2020) shows a C (score 71). When first surveyed in March 2019 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good and hot-water efficiency went from Poor to Good; while wall efficiency dropped from Poor to Very Poor. The recommended improvements would push it to B (score 84).
At 157 m² the property is well over the postcode median (71 m² across 29 EPCs), placing it in the larger end of the local stock. 8 planning records sit against the property, 2 approved, 5 refused. Past consents include a loft conversion and an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £670,000 is 21.8% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£325/sq ft) was about 31.4% above the typical sold price in the postcode. Sold July 2019 for £550,000.
21 Grant Road has 4 separate extension applications on the council record.
Change of use from HMO for upto 6 persons (Use class C4 ) to larger HMO for more than 7 persons (Use class Sui Generis); bin and cycle stores
Latest sale on 21 Grant Road was the highest on Land Registry record across the postcode.
£670,000
Modelled from EPC, postcode comparables.
£550,000
Recorded with HM Land Registry.
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On floor area, 21 Grant Road stands well clear of the street.
Price per m²
£3,503
Street avg £3,732
Floor Area
157 m²
Street avg 92 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Montrose Road — bus stop.

Daytime· 07:00 – 23:00
52.9dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
Certificate of lawful development (proposed): Alterations to roof to form wrap around dormer to side and rear roofslopes; installation of two rooflights in front roofslope
6 more applications for this property
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31 July 2019Most recent
£550,000
Median price across the last 5 sales in HA3 7SB: £410,000 (2025–2021).
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CO₂ Emissions
4.6 t/year
Street avg 4.2 t/year
Closest school
0.5 km
The Sacred Heart Language College. 39 schools nearby.
Night-time· 23:00 – 07:00
41.5dB