21 Blenheim House, Crown Square, Southwark, London, SE1 2SF
About 21 Blenheim House
21 Blenheim House is a property in Southwark, London, London (SE1 2SF). It has a recorded floor area of 240 m² (around 2583 sq ft). At 240 m² this is the 29th smallest of 32 units on EPC record in the building, where floor areas span 40–416 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (August 2016) shows a C (score 77), near the top of the C band. The latest certificate is from August 2016, so improvements made since then won't be reflected.
At 240 m² the property is well over the postcode median (121 m² across 31 EPCs), placing it in the larger end of the local stock. On a £-per-square-foot basis, the last sale (£1,394/sq ft) was about 48.4% below the postcode norm. 9 years since the last transfer (May 2017).
Everything you need to know about 21 Blenheim House
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Energy performance
21 Blenheim House's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 16 Aug 2026
EPC Rating
Certificate validity
Expired on 16 August 2026
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Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
Planning history
21 Blenheim House has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£3,249,000
Modelled from EPC, postcode comparables.
£3,600,000
Recorded with HM Land Registry.
Sales timeline
2 May 2017Most recent
£3,600,000
Median price across the last 5 sales in SE1 2SF: £3,470,000 (2022–2018).
Nearby sales in SE1 2SF
12 Blenheim House, Crown Square, Southwark, London, SE1 2SF
Sold Aug 2022
£6,975,00030 Blenheim House, Crown Square, Southwark, London, SE1 2SF
Sold Jul 2022
£3,050,00013 Blenheim House, Crown Square, Southwark, London, SE1 2SF
Sold Jun 2021
£700,00026 Blenheim House, Crown Square, Southwark, London, SE1 2SF
Sold Jun 2021
£3,925,00016 Blenheim House, Crown Square, Southwark, London, SE1 2SF
Sold Sept 2018
£3,470,000
Versus other Crown Square homes
Price per m² for 21 Blenheim House lags the street by a wide margin.
Price per m²
£15,000
Street avg £27,556
Floor Area
240 m²
Street avg 134 m²
CO₂ Emissions
6.9 t/year
Street avg 3.0 t/year
Years Held
9 years
Street avg 9 years
Everything you need to know about 21 Blenheim House
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
1516/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Tower Bridge — bus stop.
Closest school
0.3 km
Tower Bridge Primary School. 104 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
57.8dB
Night-time· 23:00 – 07:00
50.4dB