17 Castleton Avenue, Wembley, HA9 7QH
About 17 Castleton Avenue
17 Castleton Avenue is a seven-bedroom semi-detached house in Wembley (HA9 7QH). It has a recorded floor area of 257 m² (around 2766 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (December 2016) shows a C (score 72). When first surveyed in January 2016 the rating was F, the property has climbed 3 bands since. Between certificates, hot-water efficiency went from Poor to Good.
At 257 m² the property is well over the postcode median (111 m² across 4 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). 7 bedrooms is on the larger side for this postcode, where 4 is the typical count. 6 planning records sit against the property, 5 approved, 1 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Across 2016–2017, sale prices on this property compounded at 45.5% per year. Today's modelled estimate of £1,071,000 is 11.6% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£347/sq ft) was about 77.4% above the typical sold price in the postcode. Last changed hands 9 years ago, in April 2017.
Know exactly what you're buying at 17 Castleton Avenue
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
- Bedrooms7
- Bathrooms5
Energy performance
17 Castleton Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Jun 2016OutbuildingOutlineIn report
Certificate of lawfulness for proposed erection of a single storey outbuilding in rear garden of dwellinghouse
- Documents
- 6 docs on file
- Reference
- 16/1576
- May 2016ExtensionAmendmentIn report
Extension: Part single, part two storey
Non-material amendment as follows:*omission of the approved single storey rear infill extensionof full planning permission reference 16/0515 dated 25/04/2016 for Demolition of existing side garage and proposed enlargement of the existing roof of the dwellinghouse, proposed erection of a two storey side extension, part two storey - part single storey rear extension, single storey rear infill extension, rear dormer roof extension and two front rooflights to dwellinghouse
- Documents
- 10 docs on file
- Reference
- 16/1706
We flagged 3 things worth checking at 17 Castleton Avenue
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
- Recent ownership pattern worth a look
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Sales history & valuation
Latest sale on 17 Castleton Avenue was the highest on Land Registry record across the postcode.
£1,071,000
Modelled from EPC, postcode comparables and a sale-price growth of 45.5% per year over 1 year.
£960,000
Growth on file: 45.5% per year over 1 year.
Sales timeline
27 April 2017Most recent
£960,000
+58.7%over 1 year2 February 2016
£605,000
Median price across the last 5 sales in HA9 7QH: £400,000 (2019–2006).
Nearby sales in HA9 7QH
Everything we know about 17 Castleton Avenue, 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
- Recent ownership pattern worth a look

Versus other Castleton Avenue homes
Floor Area for 17 Castleton Avenue runs comfortably ahead of the street norm.
Price per m²
£3,735
Street avg £3,554
Floor Area
257 m²
Street avg 123 m²
Habitable Rooms
10 rooms
Street avg 6 rooms
CO₂ Emissions
6.9 t/year
Street avg 5.5 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
0.2 km
Rosslyn Crescent — bus stop.
Closest school
0.2 km
Wembley Primary School. 35 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
51.8dB

Night-time· 23:00 – 07:00
42.6dB