27 Basing Hill, Wembley, HA9 9QS
About 27 Basing Hill
27 Basing Hill is a three-bedroom semi-detached house in Wembley (HA9 9QS). It has a recorded floor area of 111 m² (around 1195 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (July 2023) shows a C (score 71). When first surveyed in July 2009 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Very Good and lighting went from Very Poor to Good. The recommended improvements would push it to B (score 84). Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy.
Held since October 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1997–2009, sale prices on this property compounded at 10.4% per year. Today's modelled estimate of £740,000 sits 95.8% above the 2009 sale of £378,000. On a £-per-square-foot basis, the last sale (£316/sq ft) was about 16.3% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved.
Know exactly what you're buying at 27 Basing 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
What this property has
Inside
- Bedrooms3
Outside
- Private gardenRear
- GarageYes
Building
- Heating systemGas
- Period featuresYes
- RefurbishedYes
- Extension potentialPossible
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Roof insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
- May 2011Garage ConversionFullIn report
Extension: Single storey · Side and rear of property
Erection of a single storey side and part rear extension and conversion of attached garage to a habitable room
- Agent
- Mr John Prideaux
Extension- Documents
- 11 docs on file
- Reference
- 11/0072
- Jan 2002Garage ConversionFullIn report
Extension: Single storey · Side of property
Conversion of garage into habitable room and erection of a single-storey side extension to dwellinghouse
Extension- Reference
- 01/2579
We flagged 1 thing worth checking at 27 Basing 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
30-day money-back guarantee
Sales history & valuation
Sale price has grown by over 3x since 1997.
£740,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.4% per year over 12 years.
£378,000
Growth on file: 10.4% per year over 12 years.
Sales timeline
4 October 2009Most recent
£378,000
+75.8%over 8 years30 August 2001
£215,000
+93.7%over 4 years14 May 1997
£111,000
Median price across the last 5 sales in HA9 9QS: £645,000 (2024–2015).
Everything we know about 27 Basing 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 Basing Hill homes
EPC Rating for 27 Basing Hill runs comfortably ahead of the street norm.
Price per m²
£3,405
Street avg £3,503
Floor Area
111 m²
Street avg 130 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
3.4 t/year
Street avg 5.6 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
Mayfields — bus stop.
Closest school
0.5 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
51.4dB

Night-time· 23:00 – 07:00
40.5dB