405, 1 Casson Square, Lambeth, London, SE1 7GT
About 405
405 is a detached house in Lambeth, London, London (SE1 7GT). It has a recorded floor area of 94 m² (around 1012 sq ft). The latest certificate (February 2020) returns a high B (score 86), putting the home a stone's throw from an A rating. At 94 m² this is the 79th smallest of 91 units on EPC record in the building, where floor areas span 34–109 m².
Today's modelled estimate of £901,000 is 14.4% below the 2020 sale of £1,052,450, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£1,040/sq ft) was about 23.3% below the postcode norm. At 94 m² the property is well over the postcode median (61 m² across 90 EPCs), placing it in the larger end of the local stock. Most recent transfer: October 2020 at £1,052,450.
Everything you need to know about 405
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Energy performance
405's carbon output is low for the local stock.
EPC Rating
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Planning history
405 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.
£901,000
Modelled from EPC, postcode comparables.
£1,052,450
Recorded with HM Land Registry.
Sales timeline
11 October 2020Most recent
£1,052,450
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
Price per m² for 405 lags the street by a wide margin.
Price per m²
£11,196
Street avg £14,628
Floor Area
94 m²
Street avg 62 m²
CO₂ Emissions
0.7 t/year
Street avg 0.5 t/year
Years Held
6 years
Street avg 5 years
Everything you need to know about 405
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
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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