21 Brook Avenue, Wembley, HA9 8PH
About 21 Brook Avenue
21 Brook Avenue is a detached house in Wembley (HA9 8PH). It has a recorded floor area of 175 m² (around 1884 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (June 2021) shows a D (score 55), a step below the typical UK home. When first surveyed in December 2009 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Poor and lighting went from Good to Very Good.
At 175 m² the property is well over the postcode median (68 m² across 69 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs). 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, partial demolition and subdivision, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£478/sq ft) was about 47.6% above the typical sold price in the postcode. Sold March 2023 for £900,000.
Know exactly what you're buying at 21 Brook 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
21 Brook Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
- Mar 2005SubdivisionFullIn report
Demolition of single storey side extension and erection of replacement extension to enclose stairs in conjunction with the conversion of the dwellinghouse into two flats
ExtensionDemolition- Documents
- 5 docs on file
- Reference
- 04/2460
- Aug 2003SubdivisionFullIn report
Extension: Two storey · Side of property
Erection of dormer window extension on West side of property and two-storey extension on East side to enclose staircase in conjunction with the conversion of the dwellinghouse into 3 self-contained flats
Extension- Documents
- 4 docs on file
- Reference
- 03/1601
We flagged 2 things worth checking at 21 Brook 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
21 Brook Avenue valuation sits well clear of the typical sold price in this postcode.
£952,000
Modelled from EPC, postcode comparables.
£900,000
Recorded with HM Land Registry.
Sales timeline
30 March 2023Most recent
£900,000
Median price across the last 5 sales in HA9 8PH: £410,000 (2025–2021).
Nearby sales in HA9 8PH
Everything we know about 21 Brook 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 Brook Avenue homes
21 Brook Avenue is notably below the street on years held.
Price per m²
£5,143
Street avg £4,680
Floor Area
175 m²
Street avg 126 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
8.4 t/year
Street avg 4.7 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
0.2 km
Empire Way — bus stop.
Closest school
0.3 km
Ark Academy. 46 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
54.8dB
Night-time· 23:00 – 07:00
44.3dB