1 Flamsted Avenue, Wembley, HA9 6DL
About 1 Flamsted Avenue
1 Flamsted Avenue is a semi-detached house in Wembley (HA9 6DL). It has a recorded floor area of 148 m² (around 1593 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (January 2022) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump.
At 148 m² the property is well over the postcode median (78 m² across 32 EPCs), placing it in the larger end of the local stock. One planning record on file: a loft conversion approved in 2026. Past consents include a loft conversion, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£441/sq ft) was about 110.2% above the typical sold price in the postcode. Most recent transfer: December 2022 at £702,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 1 Flamsted 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
1 Flamsted Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
- Feb 2026Loft ConversionOutlineIn report
Certificate of lawfulness for proposed hip to gable roof-end, rear dormer extension and 3x front rooflights to dwellinghouse.
- Agent
- London Residential Architects Limited
- Documents
- 11 docs on file
- Reference
- 26/0036
We flagged 2 things worth checking at 1 Flamsted 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
Latest sale on 1 Flamsted Avenue was the highest on Land Registry record across the postcode.
£730,000
Modelled from EPC, postcode comparables.
£702,500
Recorded with HM Land Registry.
Sales timeline
6 December 2022Most recent
£702,500
Median price across the last 5 sales in HA9 6DL: £580,000 (2020–2016).
Nearby sales in HA9 6DL
Everything we know about 1 Flamsted 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 Flamsted Avenue homes
1 Flamsted Avenue is notably below the street on years held.
Price per m²
£4,747
Street avg £3,682
Floor Area
148 m²
Street avg 141 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
6.1 t/year
Street avg 6.2 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
Flamsted Avenue — bus stop.
Closest school
0.5 km
Elsley Primary School. 39 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
52.5dB
Night-time· 23:00 – 07:00
44.2dB