307, 1 Casson Square, Lambeth, London, SE1 7GT
About 307
307 is a one-bedroom detached house in Lambeth, London, London (SE1 7GT). It has a recorded floor area of 61 m² (around 657 sq ft). There is a swimming pool on the plot, uncommon for the area. The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. At 61 m² this is the 45th smallest of 91 units on EPC record in the building, where floor areas span 34–109 m². On EPC score it ranks last in the building (83 versus a best of 87). The latest certificate (March 2020) returns a B (score 83), comfortably above the UK average.
Today's modelled estimate of £701,000 is 14% below the 2020 sale of £815,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Most recent transfer: September 2020 at £815,000.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- Swimming poolYes
Building
- Underfloor heatingYes
- ConciergeYes
Energy performance
307's carbon output is low for the local stock.
EPC Rating
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Planning history
307 has no planning applications on record.
But the area is active
6 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£701,000
Modelled from EPC, postcode comparables.
£815,000
Recorded with HM Land Registry.
Sales timeline
23 September 2020Most recent
£815,000
Median price across the last 5 sales in SE1 7GT: £920,000 (2023–2022).
Nearby sales in SE1 7GT
401, 1 Casson Square, Lambeth, London, SE1 7GT
Sold Feb 2023
£635,0001205, 1 Casson Square, Lambeth, London, SE1 7GT
Sold Dec 2022
£1,625,000607, 1 Casson Square, Lambeth, London, SE1 7GT
Sold Dec 2022
£920,0001105, 1 Casson Square, Lambeth, London, SE1 7GT
Sold Apr 2022
£1,500,0001308, 1 Casson Square, Lambeth, London, SE1 7GT
Sold Mar 2022
£750,000
Versus other Casson Square homes
307 is notably below the street on epc rating.
Price per m²
£13,361
Street avg £14,604
Floor Area
61 m²
Street avg 62 m²
CO₂ Emissions
0.6 t/year
Street avg 0.5 t/year
Years Held
6 years
Street avg 5 years
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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
Waterloo Station / York Road — bus stop.
Closest school
0.5 km
Oasis Academy South Bank Primary. 78 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
63.4dB

Night-time· 23:00 – 07:00
56.7dB







