Flat 1, 21 Oswin Street, London, SE11 4TF
About Flat 1
Flat 1 is a mid-terrace house in London (SE11 4TF). It has a recorded floor area of 52 m² (around 560 sq ft) and construction records dating it to 1900-1929. At 52 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 40–70 m². On EPC score it ranks first in the building (72 versus a worst of 69). The latest certificate (November 2014) shows a C (score 72). The latest certificate is from November 2014, so improvements made since then won't be reflected.
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's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 29 Nov 2024
EPC Rating
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.
£488,000
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 epc rating by a wide margin.
EPC Rating
72 (C)
Street avg 67 (D)
Floor Area
52 m²
Street avg 49 m²
CO₂ Emissions
1.8 t/year
Street avg 2.0 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
Similar properties nearby
28a, Flat 5, Wincott Street, Lambeth
SE11 4NT
183a, Flat 1, Kennington Lane, Lambeth
SE11 4EZ
28a, Flat 3, Wincott Street, Lambeth
SE11 4NT
151 153, Flat 3, Kennington Park Road, Southwark
SE11 4JJ
28a, Flat 4, Wincott Street, Lambeth
SE11 4NT
28a, Flat 12, Wincott Street, Lambeth
SE11 4NT
28a, Flat 2, Wincott Street, Lambeth
SE11 4NT
158 160, Flat 5, Kennington Park Road, Lambeth
SE11 4DJ
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