Ambassador House, Flat 9, 2 Cavendish Avenue, Harrow, HA1 3RW
About Ambassador House
Ambassador House is an end-of-terrace house in Harrow (HA1 3RW). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1983-1990 and council tax band D. At 63 m² this is the 8th smallest of 16 units on EPC record in Ambassador House, where floor areas span 34–79 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (March 2018) shows a C (score 71). When first surveyed in May 2016 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency dropped from Very Good to Good. Main heating runs on electricity.
Last sale on file: £325,000 in July 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Ambassador House
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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Heating controls changed
Hot water system upgraded
Loft insulation upgraded to recommended levels
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Window efficiency improved
Wall insulation improved
Planning history
Ambassador House has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at Ambassador House
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£333,000
Modelled from EPC, postcode comparables and a sale-price growth of -0.4% per year over 3 years.
£325,000
Growth on file: -0.4% per year over 3 years.
Sales timeline
7 July 2022Most recent
£325,000
-1.5%over 3 years18 January 2019
£330,000
Median price across the last 5 sales in HA1 3RW: £332,500 (2019–2019).
Nearby sales in HA1 3RW
Ambassador House, Flat 1, 2 Cavendish Avenue, Harrow, HA1 3RW
Sold Jul 2019
£265,000Ambassador House, Flat 10, 2 Cavendish Avenue, Harrow, HA1 3RW
Sold Apr 2019
£332,500Ambassador House, Flat 16, 2 Cavendish Avenue, Harrow, HA1 3RW
Sold Mar 2019
£227,500Ambassador House, Flat 11, 2 Cavendish Avenue, Harrow, HA1 3RW
Sold Mar 2019
£340,000Ambassador House, Flat 14, 2 Cavendish Avenue, Harrow, HA1 3RW
Sold Mar 2019
£332,500
Everything we know about Ambassador House, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Cavendish Avenue homes
Ambassador House is notably below the street on years held.
Price per m²
£5,159
Street avg £5,321
Floor Area
63 m²
Street avg 60 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.9 t/year
Street avg 2.5 t/year
Similar properties nearby
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Ambassador House, Flat 11, 2 Cavendish Avenue
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51a, Flat 1, Roxborough Park
HA1 3BA
158a, Flat A, Greenford Road
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Ambassador House, Flat 10, 2 Cavendish Avenue
HA1 3RW
4 Tower Bridge Apartments, Tower Bridge Mews
HA1 3QU
51a, Flat 2, Roxborough Park
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
28/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Sudbury Hill Harrow — bus stop.
Closest school
0.7 km
St George's Primary Catholic Voluntary Academy. 33 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
51.1dB

Night-time· 23:00 – 07:00
42.6dB