21a, Flat 204, 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 75 m² (around 807 sq ft) and construction records dating it to 1996-2002. The latest certificate (July 2019) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since December 2016. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Average to Very Good; while window efficiency dropped from Good to Average. Main heating runs on electricity. At 75 m² this is the 23rd 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 across 35 units on file.
At 75 m² it's 26.1% larger than the typical home in the postcode (60 m² median across 34 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
Property Improvements
Changes detected from historical EPC data
Hot water system changed
More low energy lighting installed
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 £1,085 · 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.
£570,000
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
Habitable Rooms for 21a runs comfortably ahead of the street norm.
EPC Rating
77 (C)
Street avg 73 (C)
Floor Area
75 m²
Street avg 69 m²
CO₂ Emissions
1.9 t/year
Street avg 2.1 t/year
Habitable Rooms
3 rooms
Street avg 2 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
The data behind every report
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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