18 Blenheim Gardens, Wembley, HA9 7NP
About 18 Blenheim Gardens
18 Blenheim Gardens is a three-bedroom semi-detached house in Wembley (HA9 7NP). It has a recorded floor area of 124 m² (around 1335 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (August 2016) shows a C (score 76), near the top of the C band. The recommended improvements would push it to B (score 86). Other recorded features include a conservatory and outbuildings.
5 planning records sit against the property, 3 approved, 2 refused. Past consents include a loft conversion, an extension and partial demolition, meaningful when judging how the property has evolved. At 124 m² it's 16.7% smaller than the typical home in the postcode (149 m² median across 24 EPCs). Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). Across 2000–2017, sale prices on this property compounded at 7.5% per year. On a £-per-square-foot basis, the last sale (£517/sq ft) was about 69% above the typical sold price in the postcode. Last sold in July 2017, so it's been off the market for around 9 years.
Know exactly what you're buying at 18 Blenheim Gardens
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
- Bathrooms2
- Dining roomYes
- CloakroomYes
- ConservatoryYes
Outside
- GarageYes
- OutbuildingsYes
Building
- Central heatingYes
Energy performance
EPC Rating
Planning history
A a single-storey side and rear extension application was refused at 18 Blenheim Gardens in 2022.
- Nov 2022ExtensionFullIn report
Extension: Single storey · Side and rear of property
First floor side to rear extension to dwellinghouse
- Agent
- Homecraft Design Studios
- Documents
- 2 docs on file
- Reference
- 22/3370
- Aug 2022Loft ConversionOutlineIn report
Certificate of lawfulness for proposed hip to gable end roof extension, rear dormer window extension with 2 front rooflights to dwellinghouse.
- Agent
- Homecraft Design Studios
- Documents
- 8 docs on file
- Reference
- 22/2413
We flagged 3 things worth checking at 18 Blenheim Gardens
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
- A planning decision worth checking
30-day money-back guarantee
Sales history & valuation
18 Blenheim Gardens has more than tripled in price since its earliest registered sale in 2000.
£749,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 18 years.
£690,000
Growth on file: 7.5% per year over 18 years.
Sales timeline
30 July 2017Most recent
£690,000
+57.5%over 6 years25 July 2011
£438,000
+124.6%over 11 years26 January 2000
£195,000
Median price across the last 5 sales in HA9 7NP: £720,000 (2024–2020).
Nearby sales in HA9 7NP
Everything we know about 18 Blenheim Gardens, 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
- A planning decision worth checking

Versus other Blenheim Gardens homes
18 Blenheim Gardens outperforms the street on co₂ emissions by a wide margin.
Price per m²
£5,565
Street avg £3,659
Floor Area
124 m²
Street avg 152 m²
Habitable Rooms
5 rooms
Street avg 7 rooms
CO₂ Emissions
3.0 t/year
Street avg 6.5 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
Highfield Avenue (HA9) — bus stop.
Closest school
0.2 km
Wembley Primary School. 37 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
52.0dB

Night-time· 23:00 – 07:00
42.3dB