9a, Cotham Street, Southwark, London, SE17 1LX
About 9a
9a is an end-of-terrace house in Southwark, London, London (SE17 1LX). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (March 2021) shows a D (score 58), a step below the typical UK home. Earlier certificates rated it C (March 2011); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 72). At 60 m² this is the 2nd smallest of 11 units on EPC record in the building, where floor areas span 48–164 m². The building's EPC ratings span E to C across 11 units on file.
Untraded for 15 years, with the last transfer in May 2011. Today's modelled estimate of £465,000 sits 86% above the 2011 sale of £250,000. On a £-per-square-foot basis, the last sale (£387/sq ft) was about 35.8% above the typical sold price in the postcode. At 60 m² it's 16.3% smaller than the typical home in the postcode (72 m² median across 10 EPCs).
Know exactly what you're buying at 9a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Planning history
9a has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 9a
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
9a valuation sits well clear of the typical sold price in this postcode.
£465,000
Modelled from EPC, postcode comparables.
£250,000
Recorded with HM Land Registry.
Sales timeline
18 May 2011Most recent
£250,000
Median price across the last 5 sales in SE17 1LX: £250,000 (2023–2000).
Everything we know about 9a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Cotham Street homes
EPC Rating for 9a lags the street by a wide margin.
EPC Rating
58 (D)
Street avg 68 (D)
Floor Area
60 m²
Street avg 63 m²
CO₂ Emissions
3.2 t/year
Street avg 2.6 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
19/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Larcom Street Newington — bus stop.
Closest school
0.2 km
Robert Browning Primary School. 94 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
57.6dB

Night-time· 23:00 – 07:00
46.6dB