12 First Avenue, Wembley, HA9 8QG
About 12 First Avenue
12 First Avenue is a semi-detached house in Wembley (HA9 8QG). It has a recorded floor area of 131 m² (around 1410 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (March 2020) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in August 2013 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and hot-water efficiency went from Average to Good; while roof efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 83), a 2-band jump.
At 131 m² the property is well over the postcode median (85 m² across 16 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2017. Past consents include an extension, a loft conversion and a porch, meaningful when judging how the property has evolved. Across 2017–2020, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £659,000 is 17.7% above the 2020 sale price. Last sale on file: £560,000 in September 2020.
Know exactly what you're buying at 12 First Avenue
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
Hot water system upgraded
Wall insulation improved
MVHR (mechanical ventilation with heat recovery) installed
Ventilation system changed
Planning history
- Oct 2017Loft ConversionOutlineIn report
Extension: Rear of property
Certificate of Lawfulness for proposed hip to gable end loft conversion includes a rear dormer window and two front rooflights, a front porch and single storey rear extension to dwellinghouse
- Agent
- PresArhiGroup
ExtensionPorch- Documents
- 4 docs on file
- Reference
- 17/3681
We flagged 2 things worth checking at 12 First Avenue
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.
£659,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 3 years.
£560,000
Growth on file: 6.2% per year over 3 years.
Sales timeline
3 September 2020Most recent
£560,000
+17.9%over 2 years12 December 2017
£475,000
Median price across the last 5 sales in HA9 8QG: £511,000 (2025–2019).
Everything we know about 12 First Avenue, 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 habitable rooms, 12 First Avenue stands well clear of the street.
Price per m²
£4,275
Street avg £4,566
Floor Area
131 m²
Street avg 86 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
4.8 t/year
Street avg 4.0 t/year
Similar properties nearby
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