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Get started12 Mentmore Close is a semi-detached house in Harrow (HA3 0EA). It has a recorded floor area of 179 m² (around 1927 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (December 2015) shows a C (score 69), just inside the C band. When first surveyed in December 2015 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Average. The recommended improvements would push it to B (score 86). The latest certificate is from December 2015, so improvements made since then won't be reflected.
Untraded for 23 years, with the last transfer in December 2002. Today's modelled estimate of £976,000 sits 139.2% above the 2002 sale of £408,000. On a £-per-square-foot basis, the last sale (£212/sq ft) was about 33.7% below the postcode norm. 4 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension, new windows and a garage conversion, meaningful when judging how the property has evolved. At 179 m² it's 22.7% larger than the typical home in the postcode (146 m² median across 6 EPCs). Its energy rating outperforms most of the postcode (better than 83% of similar EPCs).
12 Mentmore Close's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 11 Dec 2025
12 Mentmore Close has 2 separate extension applications on the council record.
Extension: Single storey · Rear of property
Erection of a single storey rear infill extension to dwellinghouse
12 Mentmore Close valuation sits well clear of the typical sold price in this postcode.
£976,000
Modelled from EPC, postcode comparables.
£408,000
Recorded with HM Land Registry.
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On price per m², 12 Mentmore Close runs well behind the street norm.
Price per m²
£2,279
Street avg £4,171
Floor Area
179 m²
Street avg 147 m²
Habitable Rooms
7 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
Dovedale Avenue — bus stop.

Daytime· 07:00 – 23:00
50.6dB

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.
Extension: Single storey · Rear of property
Erection of a single storey rear infill extension to dwellinghouse
2 more applications for this property
Join to see all planning history.
6 December 2002Most recent
£408,000
Median price across the last 5 sales in HA3 0EA: £610,000 (2025–2010).
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Every application and decision on record
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Street avg 6 rooms
CO₂ Emissions
7.3 t/year
Street avg 7.2 t/year
Closest school
0.3 km
St Gregory's Catholic Science College. 49 schools nearby.
Night-time· 23:00 – 07:00
40.4dB