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Get startedFirst Floor Flat is a semi-detached house in Harrow (HA3 0QQ). It has a recorded floor area of 109 m² (around 1173 sq ft) and construction records dating it to 1930-1949. The latest certificate (August 2020) shows an E (score 48), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since December 2009. Between certificates, roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 75), a 2-band jump.
At 109 m² it's 29% larger than the typical home in the postcode (85 m² median across 24 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 79% of similar EPCs). Last sale on file: £440,000 in September 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
First Floor Flat's carbon output runs well above what efficient homes in the postcode produce.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£427,000
Modelled from EPC, postcode comparables.
£440,000
Recorded with HM Land Registry.
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Detailed AI analysis
First Floor Flat is notably below the street on epc rating.
Price per m²
£4,037
Street avg £16,417
Floor Area
109 m²
Street avg 70 m²
Habitable Rooms
4 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
0.2 km
Woodcock Hill — bus stop.

Daytime· 07:00 – 23:00
49.8dB

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.
17 September 2021Most recent
£440,000
Median price across the last 5 sales in HA3 0QQ: £645,000 (2023–2020).
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Detailed EPC data
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Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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CO₂ Emissions
6.9 t/year
Street avg 2.1 t/year
HA3 0UL
Closest school
0.5 km
Preston Park Primary School. 46 schools nearby.
Night-time· 23:00 – 07:00
38.4dB