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Get startedFlat 3 is a one-bedroom mid-terrace house in Harrow (HA3 7NH). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1967-1975 and council tax band B. At 47 m² this is the 3rd smallest of 4 units on EPC record in the building, where floor areas span 42–47 m². On EPC score it ranks first in the building (77 versus a worst of 71). The latest certificate (October 2024) shows a C (score 77), near the top of the C band. When first surveyed in November 2008 the rating was F, the property has climbed 3 bands since. Between certificates, roof efficiency went from Poor to Very Good, window efficiency went from Poor to Good and hot-water efficiency went from Average to Good.
It hasn't traded since May 2010, a hold of 16 years that's notably long for the area. At 47 m² it sits well below the postcode median (78 m² across 29 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £241,000 is 37.7% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£346/sq ft) was about 26.2% above the typical sold price in the postcode.
Flat 3's carbon output is low for the local stock.
Flat 3 valuation sits well clear of the typical sold price in this postcode.
£241,000
Modelled from EPC, postcode comparables.
£175,000
Recorded with HM Land Registry.
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On epc rating, Flat 3 stands well clear of the street.
Price per m²
£3,723
Street avg £7,229
Floor Area
47 m²
Street avg 35 m²
Habitable Rooms
2 rooms
Street avg 2 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
Warham Road — bus stop.

Daytime· 07:00 – 23:00
52.3dB

Changes detected from historical EPC data
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Wall insulation upgraded
Roof insulation improved
More low energy lighting installed
Window efficiency improved
Loft insulation upgraded to recommended levels
Are we missing something? Tell us about home improvements to help adjust your valuation.
4 May 2010Most recent
£175,000
Median price across the last 5 sales in HA3 7NH: £490,000 (2025–2019).
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CO₂ Emissions
1.3 t/year
Street avg 1.5 t/year
HA3 7AA
Closest school
0.4 km
Belmont School. 38 schools nearby.
Night-time· 23:00 – 07:00
41.1dB