21a, Flat 14, Rothsay Street, Southwark, London, SE1 4BF
About 21a
21a is a mid-terrace house in Southwark, London, London (SE1 4BF). It has a recorded floor area of 56 m² (around 603 sq ft) and construction records dating it to 2007-2011. The latest certificate (November 2023) returns a B (score 83), comfortably above the UK average. Main heating runs on electricity. At 56 m² this is the 11th smallest of 35 units on EPC record in 21a, where floor areas span 47–163 m². The building's EPC ratings span D to B, with this unit at the top.
Its energy rating outperforms most of the postcode (better than 85% 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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Energy performance
For a compact home of this size, this rating sits in the top tier locally.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
21a has no planning applications on record.
But the area is active
7 notable applications 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.
£414,000
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.
Versus other Rothsay Street homes
On epc rating, 21a stands well clear of the street.
EPC Rating
83 (B)
Street avg 73 (C)
Floor Area
56 m²
Street avg 69 m²
CO₂ Emissions
1.6 t/year
Street avg 2.1 t/year
Habitable Rooms
2 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 · every report is £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
44/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Twr Bridge Rd/Bricklayers Arms — bus stop.
Closest school
0.2 km
Grange Primary School. 97 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
58.2dB

Night-time· 23:00 – 07:00
48.8dB






