12a 12b, Trinity Street, Southwark, London, SE1 1DB
About 12a 12b
12a 12b is an end-of-terrace house in Southwark, London, London (SE1 1DB). It has a recorded floor area of 26 m² (around 280 sq ft) and construction records dating it to 1900-1929. The latest certificate (October 2024) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 3 certificates since June 2009. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Average. Main heating runs on electricity.
At 26 m² it's 23.3% smaller than the typical home in the postcode (34 m² median across 19 EPCs).
Everything you need to know about 12a 12b
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 system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Single glazing replaced with double or better glazing
More low energy lighting installed
Heating system upgraded to a more efficient system
Heating controls upgraded for better temperature management
Wall insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
12a 12b has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12a 12b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£310,000
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 SE1 1DB: £335,000 (2020–2016).
Nearby sales in SE1 1DB
Flat A, 6 Trinity Street, London, SE1 1DB
Sold Oct 2020
£200,00010 Trinity Street, Southwark, London, SE1 1DB
Sold Jan 2019
£1,600,0008a, Trinity Street, London, SE1 1DB
Sold Jan 2018
£335,000Flat 4, 18 Trinity Street, London, SE1 1DB
Sold Jul 2016
£650,000Flat 1, 18 Trinity Street, London, SE1 1DB
Sold Mar 2016
£700,000
Versus other Trinity Street homes
On floor area, 12a 12b runs well behind the street norm.
EPC Rating
56 (D)
Street avg 63 (D)
Floor Area
26 m²
Street avg 46 m²
CO₂ Emissions
2.9 t/year
Street avg 2.5 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Everything you need to know about 12a 12b
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
Rail-style transport is unusually close for this postcode.
Crime
44/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Borough Station — bus stop.
Closest school
0.2 km
Charles Dickens 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
61.3dB
Night-time· 23:00 – 07:00
53.1dB