223a, Northolt Road, Harrow, HA2 8HN
About 223a
223a is an end-of-terrace house in Harrow (HA2 8HN). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (September 2022) 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 May 2012. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good. The recommended improvements would lift it to C (score 72), a 2-band jump. At 109 m² this is the 5th smallest of 7 units on EPC record in the building, where floor areas span 87–126 m². The building's EPC ratings span G to C across 7 units on file.
Know exactly what you're buying at 223a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
223a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
Planning history
223a has no planning applications on record.
Notable planning nearby
8applications of note in the surrounding area
We flagged 2 things worth checking at 223a
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
223a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£356,000
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.
Everything we know about 223a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Northolt Road homes
On epc rating, 223a runs well behind the street norm.
EPC Rating
48 (E)
Street avg 51 (E)
Floor Area
109 m²
Street avg 103 m²
CO₂ Emissions
6.8 t/year
Street avg 5.8 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Similar properties nearby
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
0.0 km
South Harrow Station — tram stop.
Closest school
0.4 km
The Welldon Park Academy. 34 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
49.5dB

Night-time· 23:00 – 07:00
40.2dB