423c, Alexandra Avenue, Harrow, HA2 9SE
About 423c
423c is a mid-terrace house in Harrow (HA2 9SE). It has a recorded floor area of 29 m² (around 312 sq ft) and construction records dating it to 1930-1949. The latest certificate (April 2019) shows a D (score 62), on the cusp of jumping into the C band. Earlier certificates rated it C (April 2009); the latest reading is one band lower. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. At 29 m² this is the 3rd smallest of 29 units on EPC record in the building, where floor areas span 25–123 m². The building's EPC ratings span E to C across 29 units on file.
At 29 m² it sits well below the postcode median (52 m² across 28 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at 423c
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Planning history
423c has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
Sales history & valuation
423c has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£205,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
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.
Median price across the last 5 sales in HA2 9SE: £650,000 (2022–2018).
Nearby sales in HA2 9SE
Everything we know about 423c, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Alexandra Avenue homes
On habitable rooms, 423c runs well behind the street norm.
EPC Rating
62 (D)
Street avg 59 (D)
Floor Area
29 m²
Street avg 55 m²
CO₂ Emissions
2.0 t/year
Street avg 2.9 t/year
Habitable Rooms
1 rooms
Street avg 2 rooms
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HA2 9LA
1 Barn Mews, Tithe Farm Avenue
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1 Kings Road
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Warden Avenue — bus stop.
Closest school
0.6 km
Newton Farm Nursery, Infant and Junior School. 40 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.9dB

Night-time· 23:00 – 07:00
40.0dB