9 Barnes Wallis Court, Barnhill Road, Wembley, HA9 9DL
About 9 Barnes Wallis Court
9 Barnes Wallis Court is a mid-terrace house in Wembley (HA9 9DL). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1967-1975 and council tax band B. At 68 m² this is the largest unit on EPC record across 9 Barnes Wallis Court (50–68 m²). On EPC score it ranks last in the building (70 versus a best of 74). The latest certificate (March 2018) shows a C (score 70). When first surveyed in January 2014 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good; while wall efficiency dropped from Poor to Very Poor.
Across 2015–2018, sale prices on this property compounded at 9.3% per year. On a £-per-square-foot basis, the last sale (£432/sq ft) was about 68.3% above the typical sold price in the postcode. 8 years since the last transfer (February 2018).
Know exactly what you're buying at 9 Barnes Wallis Court
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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Planning history
9 Barnes Wallis Court has no planning applications on record.
Notable planning nearby
10applications of note in the surrounding area
We flagged 1 thing worth checking at 9 Barnes Wallis Court
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
30-day money-back guarantee
Sales history & valuation
9 Barnes Wallis Court valuation sits well clear of the typical sold price in this postcode.
£312,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.3% per year over 3 years.
£316,400
Growth on file: 9.3% per year over 3 years.
Sales timeline
21 February 2018Most recent
£316,400
+31.8%over 3 years12 January 2015
£240,000
Median price across the last 5 sales in HA9 9DL: £315,000 (2024–2014).
Nearby sales in HA9 9DL
25 Barnes Wallis Court, Barnhill Road, Wembley, HA9 9DL
Sold Nov 2024
£350,00014 Barnes Wallis Court, Barnhill Road, Wembley, HA9 9DL
Sold Jun 2023
£315,00010 Barnes Wallis Court, Barnhill Road, Wembley, HA9 9DL
Sold Mar 2021
£316,50038 Barnes Wallis Court, Barnhill Road, Wembley, HA9 9DL
Sold Jan 2020
£224,95028 Barnes Wallis Court, Barnhill Road, Wembley, HA9 9DL
Sold Nov 2010
£180,000
Everything we know about 9 Barnes Wallis Court, 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 Barnhill Road homes
9 Barnes Wallis Court is notably below the street on co₂ emissions.
Price per m²
£4,653
Street avg £3,352
Floor Area
68 m²
Street avg 61 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.4 t/year
Street avg 1.9 t/year
Similar properties nearby
1 Darwin House, Kingsgate
HA9 9AX
1 Carmel Court, Kings Drive
HA9 9JE
1 Einstein House, Chalkhill Road
HA9 9AZ
1 Boyles House, Chalkhill Road
HA9 9AP
1 Bob Thompson Court, Chalkhill Road
HA9 9FD
1 Farnborough Close
HA9 9UP
1 Barnhill House, St Davids Close
HA9 9PA
1 Barnes Wallis Court, Barnhill Road
HA9 9DL
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
15/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Blackbird Hill — bus stop.
Closest school
0.4 km
Chalkhill Primary School. 48 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
53.2dB

Night-time· 23:00 – 07:00
44.4dB