21a, Gainsborough Road, Richmond, TW9 2DZ
About 21a
21a is an end-of-terrace house in Richmond (TW9 2DZ). It has a recorded floor area of 81 m² (around 872 sq ft) and construction records dating it to 1930-1949. The latest certificate (February 2024) shows a C (score 75), near the top of the C band. Earlier certificates rated it B (January 2014); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Very Poor and window efficiency dropped from Very Good to Average.
Its energy rating outperforms most of the postcode (better than 77% of similar EPCs).
Everything you need to know about 21a
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
EPC Rating
Certificate validity
Valid until 14 February 2034
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,155 · Includes VAT
Planning history
21a has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£640,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in TW9 2DZ: £695,000 (2025–2016).
Nearby sales in TW9 2DZ
Versus other Gainsborough Road homes
On epc rating, 21a runs well behind the street norm.
EPC Rating
75 (C)
Street avg 80 (C)
Floor Area
81 m²
Street avg 69 m²
CO₂ Emissions
2.2 t/year
Street avg 1.4 t/year
Habitable Rooms
4 rooms
Street avg 3 rooms
Everything you need to know about 21a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
225/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Gainsborough Road (TW9) — bus stop.
Closest school
0.4 km
Darell Primary and Nursery School. 38 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
53.5dB
Night-time· 23:00 – 07:00
45.2dB