9a, Blawith Road, Harrow, HA1 1TL
About 9a
9a is a semi-detached house in Harrow (HA1 1TL). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (June 2018) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 74), a 2-band jump.
At 71 m² the property is well over the postcode median (52 m² across 23 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs). Today's modelled estimate of £353,000 is 14.2% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£404/sq ft) was about 38.1% above the typical sold price in the postcode. Sold May 2019 for £309,000.
Know exactly what you're buying at 9a
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
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
9a has no planning applications on record.
Notable planning nearby
9applications of note in the surrounding area
We flagged 1 thing worth checking at 9a
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
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Sales history & valuation
9a valuation sits well clear of the typical sold price in this postcode.
£353,000
Modelled from EPC, postcode comparables.
£309,000
Recorded with HM Land Registry.
Sales timeline
23 May 2019Most recent
£309,000
Median price across the last 5 sales in HA1 1TL: £355,000 (2022–2016).
Nearby sales in HA1 1TL
Everything we know about 9a, 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

Versus other Blawith Road homes
9a is notably below the street on co₂ emissions.
Price per m²
£4,352
Street avg £3,180
Floor Area
71 m²
Street avg 53 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
4.3 t/year
Street avg 2.7 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
28/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Harrow Civic Centre / Harrow Mosque — bus stop.
Closest school
0.4 km
Saint Jerome Church of England Bilingual School. 39 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
52.9dB

Night-time· 23:00 – 07:00
41.4dB