1 Blawith Road, Harrow, HA1 1TL
About 1 Blawith Road
1 Blawith Road is a semi-detached house in Harrow (HA1 1TL). It has a recorded floor area of 48 m² (around 517 sq ft) and construction records dating it to 1930-1949. At 48 m² this is the 8th smallest of 24 units on EPC record in the building, where floor areas span 39–180 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (February 2021) shows an E (score 44), well below the UK norm with real room to improve. Earlier certificates rated it D (August 2013); the latest reading is one band lower. Between certificates, lighting went from Poor to Good; while hot-water efficiency dropped from Good to Poor and main heating dropped from Good to Very Poor. The recommended improvements would lift it to C (score 78), a 2-band jump. Main heating runs on electricity.
It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs).
Know exactly what you're buying at 1 Blawith Road
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
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
More low energy lighting installed
Upgraded to gas central heating
Connected to mains gas supply
Low energy lighting percentage decreased
Heating system changed
Changed to a more efficient fuel source
Hot water system changed
More low energy lighting installed
Planning history
1 Blawith Road has no planning applications on record.
Notable planning nearby
9applications of note in the surrounding area
We flagged 1 thing worth checking at 1 Blawith Road
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
30-day money-back guarantee
Sales history & valuation
1 Blawith Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£242,000
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 HA1 1TL: £355,000 (2022–2017).
Nearby sales in HA1 1TL
Everything we know about 1 Blawith Road, 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
1 Blawith Road is notably below the street on epc rating.
EPC Rating
44 (E)
Street avg 64 (D)
Floor Area
48 m²
Street avg 55 m²
CO₂ Emissions
3.8 t/year
Street avg 2.7 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
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