4 Barn Hill, Wembley, HA9 9JU
About 4 Barn Hill
4 Barn Hill is a detached house in Wembley (HA9 9JU). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (December 2011) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 59). The latest certificate is from December 2011, so improvements made since then won't be reflected.
Today's modelled estimate of £643,000 sits 73.8% above the 2012 sale of £370,000. 3 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. On the market in February 2012 and unlisted since — roughly 14 years. At 72 m² it's 22.6% smaller than the typical home in the postcode (93 m² median across 3 EPCs).
Know exactly what you're buying at 4 Barn Hill
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
4 Barn Hill's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 04 Dec 2021
EPC Rating
Planning history
- Oct 2019ExtensionFullIn report
Extension: Single storey
Demolition of attached side garage and erection of a single storey side and rear extension, raised rear patio, basement level, rear dormer window, two front roof lights and one flank roof light, replacement front door and windows to front of bungalow and porch, and single storey outbuilding within rear garden.
- Agent
- HK Architects
- Documents
- 8 docs on file
- Reference
- 19/2323
- Dec 2013ExtensionFullIn report
Extension: Single storey · Side and rear of property
Demolition of attached side garage and erection of a single storey side and rear extension, raised rear patio, rear dormer window, one rear roof light and one flank roof light per flank roof slope, replacement front door and windows to front of bungalow and porch, and single storey outbuilding within rear garden.
- Agent
- AH ARCHITECTURE
- Documents
- 3 docs on file
- Reference
- 13/2730
We flagged 1 thing worth checking at 4 Barn Hill
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
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Sales history & valuation
£643,000
Modelled from EPC, postcode comparables.
£370,000
Recorded with HM Land Registry.
Sales timeline
14 February 2012Most recent
£370,000
Median price across the last 1 sales in HA9 9JU: £295,000 (2003–2003).
Nearby sales in HA9 9JU
Everything we know about 4 Barn Hill, 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

Versus other Barn Hill homes
EPC Rating for 4 Barn Hill lags the street by a wide margin.
EPC Rating
51 (E)
Street avg 57 (D)
Floor Area
72 m²
Street avg 110 m²
CO₂ Emissions
4.7 t/year
Street avg 5.4 t/year
Habitable Rooms
4 rooms
Street avg 5 rooms
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
Lycee International / Kings Drive — bus stop.
Closest school
0.2 km
Ark Academy. 49 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
54.0dB

Night-time· 23:00 – 07:00
43.6dB