Flat 1, 11 Oswin Street, London, SE11 4TF
About Flat 1
Flat 1 is an end-of-terrace house in London (SE11 4TF). It has a recorded floor area of 57 m² (around 614 sq ft) and construction records dating it to before 1900. At 57 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 50–74 m². The building's EPC ratings span E to D, with this unit at the bottom. The latest certificate (February 2026) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since February 2016. Between certificates, hot-water efficiency went from Very Poor to Average and main heating went from Very Poor to Poor; while wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
At 57 m² it's 18.8% larger than the typical home in the postcode (48 m² median across 45 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Know exactly what you're buying at Flat 1
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
Flat 1 sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Planning history
Flat 1 has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at Flat 1
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
Flat 1 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£520,000
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 SE11 4TF: £700,000 (2025–2024).
Nearby sales in SE11 4TF
Metropolis, Flat 16, 1 Oswin Street, Southwark, London, SE11 4TF
Sold Mar 2025
£490,000Flat 1, 3 Oswin Street, London, SE11 4TF
Sold Jan 2025
£700,0007 Oswin Street, Southwark, London, SE11 4TF
Sold Jul 2024
£415,00031 Oswin Street, Southwark, London, SE11 4TF
Sold Jun 2024
£1,450,000First Third Floor Flat, 7 Oswin Street, London, SE11 4TF
Sold Mar 2024
£780,000
Everything we know about Flat 1, 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 Oswin Street homes
Flat 1 outperforms the street on co₂ emissions by a wide margin.
EPC Rating
52 (E)
Street avg 67 (D)
Floor Area
57 m²
Street avg 49 m²
CO₂ Emissions
1.0 t/year
Street avg 2.0 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
London College of Comm — bus stop.
Closest school
0.3 km
St Jude's Church of England Primary School. 92 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
61.8dB
Night-time· 23:00 – 07:00
53.9dB