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Get startedFlat 4 is a mid-terrace house in Harrow (HA3 9JY). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1976-1982 and council tax band C. At 36 m² this is the smallest unit on EPC record across the building (36–54 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (71 versus a worst of 57). The latest certificate (December 2021) shows a C (score 71). When first surveyed in January 2012 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Average and hot-water efficiency went from Average to Good; while window efficiency dropped from Good to Average.
At 36 m² it sits well below the postcode median (96 m² across 23 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs).
Flat 4's carbon output is low for the local stock.
Flat 4 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£238,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
On floor area, Flat 4 runs well behind the street norm.
EPC Rating
71 (C)
Street avg 66 (D)
Floor Area
36 m²
Street avg 57 m²
CO₂ Emissions
1.5 t/year
Street avg 2.5 t/year
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
The Honeypot — bus stop.

Daytime· 07:00 – 23:00
52.3dB

Changes detected from historical EPC data
Heating controls changed
Hot water system upgraded
Wall insulation improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 5 sales in HA3 9JY: £600,000 (2024–2020).
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Detailed EPC data
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Habitable Rooms
2 rooms
Street avg 3 rooms
HA3 9JF
Closest school
0.1 km
Glebe Primary School. 46 schools nearby.
Night-time· 23:00 – 07:00
41.9dB