3 Grand Avenue, Wembley, HA9 6LS
About 3 Grand Avenue
3 Grand Avenue is a detached house in Wembley (HA9 6LS). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 2024 and council tax band E. The latest certificate (March 2025) shows a C (score 75), near the top of the C band. When first surveyed in September 2016 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Very Good, roof efficiency went from Average to Very Good and window efficiency went from Average to Good; while hot-water efficiency dropped from Poor to Very Poor and main heating dropped from Good to Very Poor. Main heating runs on electricity: electricity, unspecified tariff.
At 72 m² it's 25.8% smaller than the typical home in the postcode (97 m² median across 19 EPCs). Its energy rating outperforms most of the postcode (better than 74% of similar EPCs). On a £-per-square-foot basis, the last sale (£671/sq ft) was about 307.7% above the typical sold price in the postcode. Sold May 2020 for £520,000. One historical planning record sits against the property in 2023.
Know exactly what you're buying at 3 Grand 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
3 Grand Avenue's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water system changed
High performance glazing installed
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
Planning history
- Sept 2023Demolition And RebuildFullIn report
Demolition of 2x outbuildings and erection of new two-storey dwelling at land to the rear of 3 Grand Avenue with associated new fencing, hard and soft landscaping, cycle storage, refuse and recycle bins and sub-divisions of the garden space to provide amenity space.
- Agent
- Active Architecture
- Documents
- 8 docs on file
- Reference
- 23/1918
We flagged 2 things worth checking at 3 Grand 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.
£566,000
Modelled from EPC, postcode comparables.
£520,000
Recorded with HM Land Registry.
Sales timeline
18 May 2020Most recent
£520,000
Median price across the last 5 sales in HA9 6LS: £274,000 (2025–2004).
Everything we know about 3 Grand 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 Grand Avenue homes
Price per m² for 3 Grand Avenue runs comfortably ahead of the street norm.
Price per m²
£7,222
Street avg £2,493
Floor Area
72 m²
Street avg 106 m²
CO₂ Emissions
0.3 t/year
Street avg 4.3 t/year
Years Held
6 years
Street avg 21 years
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
0.3 km
Waverley Avenue — bus stop.
Closest school
0.5 km
St Joseph's Catholic Infant School. 44 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
52.9dB

Night-time· 23:00 – 07:00
43.9dB