11a, Bolton Road, Harrow, HA1 4SB
About 11a
11a is a semi-detached house in Harrow (HA1 4SB). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (August 2020) shows a C (score 72). When first surveyed in February 2009 the rating was G, the property has climbed 4 bands since. Between certificates, window efficiency went from Poor to Average, hot-water efficiency went from Very Poor to Good and lighting went from Poor to Very Good.
At 70 m² it's 27.8% smaller than the typical home in the postcode (97 m² median across 37 EPCs). Its energy rating outperforms most of the postcode (better than 73% of similar EPCs).
Know exactly what you're buying at 11a
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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Switched from solid fuel to cleaner energy source
Heating controls upgraded for better temperature management
Hot water system upgraded
Glazing upgraded to newer, more efficient type
More low energy lighting installed
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Planning history
11a has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 11a
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
11a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£353,000
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 4SB: £600,000 (2024–2022).
Everything we know about 11a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Bolton Road homes
On epc rating, 11a stands well clear of the street.
EPC Rating
72 (C)
Street avg 63 (D)
Floor Area
70 m²
Street avg 50 m²
CO₂ Emissions
2.3 t/year
Street avg 2.6 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
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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
Hide Road — bus stop.
Closest school
0.5 km
Marlborough Primary School. 29 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
50.2dB

Night-time· 23:00 – 07:00
39.9dB