Cowan House, Flat 1, Stead Street, Southwark, London, SE17 1BZ
About Cowan House
Cowan House is a mid-terrace house in Southwark, London, London (SE17 1BZ). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 2012 onwards and council tax band D. At 40 m² this is the smallest unit on EPC record across Cowan House (40–151 m²). The building's EPC ratings span C to B, with this unit at the bottom. On EPC score it ranks last in the building (77 versus a best of 88). The latest certificate (January 2022) shows a C (score 77), near the top of the C band. Earlier certificates rated it B (December 2015); the latest reading is one band lower. Between certificates, window efficiency dropped from Very Good to Good and hot-water efficiency dropped from Very Good to Very Poor. Main heating runs on electricity.
At 40 m² it sits well below the postcode median (66 m² across 17 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at Cowan House
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
Cowan House's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system changed
Planning history
Cowan House has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at Cowan House
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
Cowan House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£357,000
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.
Everything we know about Cowan House, 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 Stead Street homes
EPC Rating for Cowan House lags the street by a wide margin.
EPC Rating
77 (C)
Street avg 82 (B)
Floor Area
40 m²
Street avg 70 m²
CO₂ Emissions
1.2 t/year
Street avg 1.0 t/year
Habitable Rooms
2 rooms
Street avg 2 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
57.3dB

Night-time· 23:00 – 07:00
46.1dB