Tomline House, Flat 9, Union Street, Southwark, London, SE1 0ET
About Tomline House
Tomline House is a semi-detached house in Southwark, London, London (SE1 0ET). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1930-1949 and council tax band C. At 70 m² this is the largest unit on EPC record across Tomline House (51–70 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (July 2023) shows a C (score 70). When first surveyed in September 2009 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
More low energy lighting installed
Window efficiency improved
Roof insulation improved
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 £1,020 · Includes VAT
Planning history
Tomline House has no planning applications on record.
But the area is active
6 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Tomline House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£490,000
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 Union Street homes
On floor area, Tomline House stands well clear of the street.
EPC Rating
70 (C)
Street avg 68 (D)
Floor Area
70 m²
Street avg 65 m²
CO₂ Emissions
2.4 t/year
Street avg 2.3 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
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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
0.1 km
Marshalsea Road — bus stop.
Closest school
0.2 km
Haberdashers' Borough Academy. 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
62.5dB

Night-time· 23:00 – 07:00
54.9dB







