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Get started178b is a two-bedroom mid-terrace house in Harrow (HA3 8BL). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1950-1966 and council tax band C. At 46 m² this is the 3rd smallest of 21 units on EPC record in the building, where floor areas span 35–88 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (September 2025) shows a C (score 80), near the top of the C band. The rating has held steady at C across 3 certificates since August 2010. Between certificates, hot-water efficiency went from Poor to Good and main heating went from Poor to Good; while wall efficiency dropped from Good to Very Poor. The recommended improvements would push it to B (score 87). Main heating runs on electricity.
It hasn't traded since August 2002, a hold of 24 years that's notably long for the area. Today's modelled estimate of £332,000 is 35% above the 2002 sale price. On a £-per-square-foot basis, the last sale (£497/sq ft) was about 43.8% above the typical sold price in the postcode. One historical planning record sits against the property in 2019.
178b's carbon output is low for the local stock.
Prior Approval for Installation of 20m high telecommunications pole supporting six antennas; Equipment cabinets and associated works
178b valuation sits well clear of the typical sold price in this postcode.
£332,000
Modelled from EPC, postcode comparables.
£246,000
Recorded with HM Land Registry.
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178b outperforms the street on epc rating by a wide margin.
Price per m²
£5,348
Street avg £3,524
Floor Area
46 m²
Street avg 57 m²
Habitable Rooms
1 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Upton Gardens — bus stop.

Daytime· 07:00 – 23:00
50.4dB

Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency improved
Heating system upgraded to a more efficient system
Hot water efficiency improved
High performance glazing installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
8 August 2002Most recent
£246,000
Median price across the last 5 sales in HA3 8BL: £330,000 (2023–2009).
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Street avg 2 rooms
CO₂ Emissions
0.6 t/year
Street avg 2.8 t/year
HA3 8HP
Closest school
0.7 km
St Gregory's Catholic Science College. 46 schools nearby.
Night-time· 23:00 – 07:00
40.3dB