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Get startedFlat 1b is a one-bedroom mid-terrace house in Harrow (HA3 7HU). It has a recorded floor area of 39 m² (around 420 sq ft) and construction records dating it to 1930-1949. Tenure is freehold. The latest certificate (September 2022) shows a D (score 59), a step below the typical UK home. When first surveyed in March 2011 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Good and hot-water efficiency went from Very Poor to Poor; while main heating dropped from Poor to Very Poor. The recommended improvements would push it to C (score 73). Main heating runs on electricity. At 39 m² this is the 4th smallest of 9 units on EPC record in the building, where floor areas span 29–98 m². The building's EPC ratings span E to C across 9 units on file.
It hasn't traded since August 2001, a hold of 25 years that's notably long for the area. Sale prices here have outpaced Harrow HPI: 16% per year against 0% for the wider region. Today's modelled estimate of £252,000 sits 180% above the 2001 sale of £90,000. On a £-per-square-foot basis, the last sale (£214/sq ft) was about 23.7% below the postcode norm. At 39 m² it sits well below the postcode median (76 m² across 19 EPCs), making it one of the more compact homes locally.
Flat 1b's modelled value sits at over four times its earliest registered sale price (1997).
£252,000
Modelled from EPC, postcode comparables and a sale-price growth of 16.0% per year over 4 years.
£90,000
Growth on file: 16.0% per year over 4 years.
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On price per m², Flat 1b runs well behind the street norm.
Price per m²
£2,308
Street avg £4,526
Floor Area
39 m²
Street avg 42 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
0.3 km
Warham Road — bus stop.

Daytime· 07:00 – 23:00
51.4dB

Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
17 August 2001Most recent
£90,000
+73.2%over 3 years3 December 1997
£51,950
Median price across the last 5 sales in HA3 7HU: £475,000 (2021–2014).
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CO₂ Emissions
2.6 t/year
Street avg 2.2 t/year
HA3 7AA
Closest school
0.2 km
Belmont School. 36 schools nearby.
Night-time· 23:00 – 07:00
39.9dB