21 Ambleside Gardens, Wembley, HA9 8TL
About 21 Ambleside Gardens
21 Ambleside Gardens is a semi-detached house in Wembley (HA9 8TL). It has a recorded floor area of 126 m² (around 1356 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (October 2016) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump.
Untraded for 23 years, with the last transfer in February 2003. At 126 m² the property is well over the postcode median (90 m² across 29 EPCs), placing it in the larger end of the local stock. Across 2001–2003, sale prices on this property compounded at 22.4% per year. Today's modelled estimate of £730,000 sits 151.7% above the 2003 sale of £290,000. On a £-per-square-foot basis, the last sale (£214/sq ft) was about 35% below the postcode norm. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
Know exactly what you're buying at 21 Ambleside 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
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
Council records include a part-single-part-two-storey side and rear extension at 21 Ambleside Gardens.
- Nov 2001Garage ConversionFullIn report
Conversion of garage into habitable room
- Reference
- 01/2035
- Aug 2001ExtensionFullIn report
Extension: Part single, part two storey · Side and rear of property
Erection of a two-storey side and single-storey rear extension to dwellinghouse
- Agent
- Mr J Benaim
- Reference
- 00/2845
We flagged 3 things worth checking at 21 Ambleside 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
- Recent ownership pattern worth a look
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Sales history & valuation
21 Ambleside Gardens's estimated value is more than triple its earliest registered sale price (2001).
£730,000
Modelled from EPC, postcode comparables and a sale-price growth of 22.4% per year over 1 year.
£290,000
Growth on file: 22.4% per year over 1 year.
Sales timeline
11 February 2003Most recent
£290,000
+27.5%over 1 year30 November 2001
£227,500
Median price across the last 5 sales in HA9 8TL: £595,000 (2025–2022).
Nearby sales in HA9 8TL
Everything we know about 21 Ambleside 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
- Recent ownership pattern worth a look

Versus other Ambleside Gardens homes
On habitable rooms, 21 Ambleside Gardens stands well clear of the street.
Price per m²
£2,302
Street avg £4,995
Floor Area
126 m²
Street avg 105 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
4.3 t/year
Street avg 5.3 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
0.4 km
Grasmere Avenue / Kenton — bus stop.
Closest school
0.4 km
Preston Park Primary 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
48.2dB

Night-time· 23:00 – 07:00
37.9dB