Tomline House, Flat 10, Union Street, Southwark, London, SE1 0ET
About Tomline House
Tomline House is a mid-terrace house in Southwark, London, London (SE1 0ET). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1900-1929 and council tax band C. At 51 m² this is the smallest unit on EPC record across Tomline House (51–70 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (53 versus a best of 76). The latest certificate (February 2019) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 67).
At 51 m² it's 23.9% smaller than the typical home in the postcode (67 m² median across 9 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Energy performance
Tomline House sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and 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.
£441,000
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
EPC Rating for Tomline House lags the street by a wide margin.
EPC Rating
53 (E)
Street avg 70 (C)
Floor Area
51 m²
Street avg 67 m²
CO₂ Emissions
3.4 t/year
Street avg 2.2 t/year
Habitable Rooms
3 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







