28b, First Avenue, Wembley, HA9 8QG
About 28b
28b is a three-bedroom semi-detached house in Wembley (HA9 8QG). It has a recorded floor area of 57 m² (around 614 sq ft) and construction records dating it to 1900-1929. The latest certificate (September 2021) shows a D (score 59), a step below the typical UK home. Earlier certificates rated it C (August 2010); the latest reading is one band lower. Between certificates, wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Average to Very Poor. At 57 m² this is the 4th smallest of 17 units on EPC record in the building, where floor areas span 26–152 m². The building's EPC ratings span E to B across 17 units on file.
At 57 m² it sits well below the postcode median (87 m² across 16 EPCs), making it one of the more compact homes locally. Across 2011–2022, sale prices on this property compounded at 4.2% per year. On a £-per-square-foot basis, the last sale (£526/sq ft) was about 39% above the typical sold price in the postcode. Last sale on file: £323,000 in April 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2011.
Know exactly what you're buying at 28b
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
What this property has
Inside
- Bedrooms3
- Bathrooms1
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Planning history
- Mar 2011AmendmentIn report
Certificate of lawfulness for the existing use of the building as three self contained flats
- Agent
- Mr Raj Tankaria
Retrospective- Documents
- 13 docs on file
- Reference
- 11/0304
We flagged 2 things worth checking at 28b
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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£340,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 10 years.
£323,000
Growth on file: 4.2% per year over 10 years.
Sales timeline
25 April 2022Most recent
£323,000
+53.8%over 10 years13 December 2011
£210,000
Median price across the last 5 sales in HA9 8QG: £546,000 (2025–2019).
Everything we know about 28b, 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 First Avenue homes
On price per m², 28b stands well clear of the street.
Price per m²
£5,667
Street avg £4,344
Floor Area
57 m²
Street avg 46 m²
Habitable Rooms
4 rooms
Street avg 2 rooms
CO₂ Emissions
3.2 t/year
Street avg 1.4 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
15/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Preston Park — bus stop.
Closest school
0.4 km
Preston Park Primary School. 43 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
48.7dB

Night-time· 23:00 – 07:00
38.8dB