18 Forty Close, Wembley, HA9 8LJ
About 18 Forty Close
18 Forty Close is a three-bedroom semi-detached house in Wembley (HA9 8LJ). It has a recorded floor area of 149 m² (around 1604 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (May 2023) shows a C (score 73). When first surveyed in February 2009 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Poor to Average, hot-water efficiency went from Average to Good and lighting went from Average to Very Good; while wall efficiency dropped from Poor to Very Poor. The recommended improvements would push it to B (score 82).
At 149 m² the property is well over the postcode median (102 m² across 9 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. One planning record on file: an extension approved in 2020. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Across 2008–2019, sale prices on this property compounded at 5.1% per year. Today's modelled estimate of £829,000 is 44.2% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£359/sq ft) was about 24.9% above the typical sold price in the postcode. Last sale on file: £575,000 in January 2019.
Know exactly what you're buying at 18 Forty Close
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
- Bathrooms1
- Dining roomYes
Outside
- Private gardenRear
- ParkingOff street
Building
- RefurbishedYes
Energy performance
18 Forty Close ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Windows upgraded, improving insulation
Roof insulation improved
Low energy lighting percentage decreased
Hot water efficiency improved
More low energy lighting installed
Planning history
- Nov 2020Loft ConversionFullIn report
Extension: Single storey · Side and rear of property
Demolition of existing side extension, erection of single storey side and rear extension, hip to gable loft conversion with rear dormer window, 1 gable end side window and 2 front rooflights to dwelling house.
- Agent
- SYNERGY BESPOKE DESIGN
Extension- Documents
- 9 docs on file
- Reference
- 20/2658
We flagged 3 things worth checking at 18 Forty Close
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
- Environmental risk flagged
30-day money-back guarantee
Sales history & valuation
18 Forty Close valuation sits well clear of the typical sold price in this postcode.
£829,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 11 years.
£575,000
Growth on file: 5.1% per year over 11 years.
Sales timeline
21 January 2019Most recent
£575,000
+72.7%over 7 years8 May 2011
£333,000
-1.5%over 2 years22 May 2008
£338,000
Median price across the last 5 sales in HA9 8LJ: £495,000 (2024–2018).
Everything we know about 18 Forty Close, 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
- Environmental risk flagged

Versus other Forty Close homes
EPC Rating for 18 Forty Close runs comfortably ahead of the street norm.
Price per m²
£3,859
Street avg £4,326
Floor Area
149 m²
Street avg 116 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.2 t/year
Street avg 5.0 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
0.1 km
Carlton Avenue East Wembley Park — bus stop.
Closest school
0.2 km
Preston Manor 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
53.7dB

Night-time· 23:00 – 07:00
43.6dB