11 Blenheim House, Crown Square, Southwark, London, SE1 2SF
About 11 Blenheim House
11 Blenheim House is a four-bedroom property in Southwark, London, London (SE1 2SF). It has a recorded floor area of 220 m² (around 2368 sq ft). There is a swimming pool on the plot, uncommon for the area. Other recorded features include a balcony and notable views. At 220 m² this is the 28th smallest of 31 units on EPC record in the building, where floor areas span 39–416 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 79), near the top of the C band.
Today's modelled estimate of £2,873,000 is 52.1% below the 2017 sale of £6,000,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. At 220 m² the property is well over the postcode median (115 m² across 30 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). 4 bedrooms is on the larger side for this postcode, where 1 is the typical count. On the market in May 2017 and unlisted since — roughly 9 years.
What this property has
Inside
- Bedrooms4
- Bathrooms4
- EnsuiteYes
- StudyYes
Outside
- ParkingAllocated
- BalconyYes
- Notable viewsYes
- Swimming poolYes
Building
- ConciergeYes
- RefurbishedYes
Energy performance
EPC Rating
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Planning history
11 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
£2,873,000
Modelled from EPC, postcode comparables.
£6,000,000
Recorded with HM Land Registry.
Sales timeline
15 May 2017Most recent
£6,000,000
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
11 Blenheim House outperforms the street on floor area by a wide margin.
Price per m²
£27,273
Street avg £27,720
Floor Area
220 m²
Street avg 130 m²
CO₂ Emissions
5.6 t/year
Street avg 2.9 t/year
Years Held
9 years
Street avg 8 years
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
44/mo
Rising 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







