21a, Unit 22, 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 83 m² (around 893 sq ft) and construction records dating it to 2003-2006. At 83 m² this is the 31st 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 bottom. The latest certificate (May 2021) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2011. Between certificates, lighting went from Poor to Good. Main heating runs on electricity.
At 83 m² the property is well over the postcode median (60 m² across 34 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 79% 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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once and 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.
£533,000
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 co₂ emissions, 21a runs well behind the street norm.
EPC Rating
62 (D)
Street avg 74 (C)
Floor Area
83 m²
Street avg 69 m²
CO₂ Emissions
2.7 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
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