Flat 1a, 1 Blakesley Avenue, London, W5 2DN
About Flat 1a
Flat 1a is a detached house in London (W5 2DN). It has a recorded floor area of 299 m² (around 3218 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (May 2025) shows an E (score 39), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2010. Between certificates, hot-water efficiency went from Very Poor to Good, lighting went from Very Poor to Very Good and main heating went from Poor to Good; while window efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 70), a 2-band jump.
At 299 m² the property is well over the postcode median (66 m² across 43 EPCs), placing it in the larger end of the local stock. One historical planning record sits against the property in 2021.
Know exactly what you're buying at Flat 1a
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
Flat 1a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Planning history
- Apr 2021Tree WorksTreesIn report
T1 Eucalyptus (rear ) Fell to ground level and grind stump to 10-12 inches below ground level.
- Agent
- Tom Boswell Tree Services Ltd
- Documents
- 4 docs on file
- Reference
- 212231PTC
We flagged 2 things worth checking at Flat 1a
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
Flat 1a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£2,112,000
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 W5 2DN: £544,500 (2023–2022).
Nearby sales in W5 2DN
Flat 2, 1 Blakesley Avenue, London, W5 2DN
Sold Sept 2023
£544,500Flat 1, 13 Blakesley Avenue, London, W5 2DN
Sold May 2023
£730,000Flat 6, 13 Blakesley Avenue, London, W5 2DN
Sold Oct 2022
£925,000Flat 4, 13 Blakesley Avenue, London, W5 2DN
Sold Oct 2022
£440,000Flat 5, 13 Blakesley Avenue, London, W5 2DN
Sold Oct 2022
£450,000
Everything we know about Flat 1a, 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 Blakesley Avenue homes
CO₂ Emissions for Flat 1a lags the street by a wide margin.
EPC Rating
39 (E)
Street avg 52 (E)
Floor Area
299 m²
Street avg 364 m²
CO₂ Emissions
21.0 t/year
Street avg 16.6 t/year
Habitable Rooms
11 rooms
Street avg 12 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
14/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Castlebar Road — bus stop.
Closest school
0.5 km
Christ the Saviour Church of England Primary School. 38 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
53.3dB

Night-time· 23:00 – 07:00
43.2dB