12a, Shaftesbury Avenue, South Harrow, Harrow, HA2 0PH
About 12a
12a is a semi-detached house in South Harrow, Harrow, Harrow (HA2 0PH). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (August 2025) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in October 2016 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, hot-water efficiency went from Poor to Good and main heating went from Very Poor to Good; while lighting dropped from Very Good to Poor. The recommended improvements would push it to C (score 75).
One planning record on file: a loft conversion approved in 2023. Past consents include a loft conversion, meaningful when judging how the property has evolved. At 76 m² it's 28% smaller than the typical home in the postcode (106 m² median across 12 EPCs).
Know exactly what you're buying at 12a
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
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
High performance glazing installed
Wall insulation improved
Low energy lighting percentage decreased
Planning history
- May 2023Loft ConversionFullIn report
Alterations to roof to form end gable, rear dormer and insertion of three rooflights in front roofslope to create two additional bedrooms to first floor flat (1 x 3 Bed)
- Documents
- 11 docs on file
- Reference
- P/1038/23
We flagged 2 things worth checking at 12a
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
12a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£339,000
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 0PH: £580,000 (2024–2021).
Nearby sales in HA2 0PH
28 Shaftesbury Avenue, South Harrow, Harrow, HA2 0PH
Sold Oct 2024
£580,00022 Shaftesbury Avenue, South Harrow, Harrow, HA2 0PH
Sold Jul 2023
£500,00024 Shaftesbury Avenue, South Harrow, Harrow, HA2 0PH
Sold Dec 2021
£635,0008 Shaftesbury Avenue, South Harrow, Harrow, HA2 0PH
Sold Sept 2021
£600,0002 Shaftesbury Avenue, South Harrow, Harrow, HA2 0PH
Sold Aug 2021
£573,500
Everything we know about 12a, 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
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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
Grange Road (HA2) — bus stop.
Closest school
0.3 km
Roxeth Primary School. 33 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
51.4dB
Night-time· 23:00 – 07:00
41.6dB