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1 bed flat for sale Casson Square, London, SE1

Guide price

£875,000

Added on 26/09/2026

Type: Flat
Bedrooms: 1
Bathrooms: 1
Size: £1,449 per sq ft
Tenure: Leasehold; 988 years left(from the agent's description)

Service charge £9,611 a year Council tax Band F £1,516 a year

* From the agent's description. Check it with them before you rely on it.

Highlights

From the agent's description

Residents' gym
Residents' pool
Underfloor heating
988 years left on the lease

About this property

This one bedroom apartment exemplifies the quality and design that defines the development, offering a rare opportunity to acquire a beautifully finished home in the heart of one of London's most dynamic neighbourhoods. The apartment itself is presented in immaculate condition with a thoughtful layout that makes excellent use of its 604 square feet.

Floorplan

Council tax

Band F £1,516 a year

Per year

Band A

£700
Band B

£816
Band C

£933
Band D

£1,050
Band E

£1,283
Band F

This home: £1,516
Band G

£1,749
Band H

£2,099

This home is in band F, which costs £1,516 a year in Westminster for 2026/27.

Figures from MHCLG (Open Government Licence v3): the average bill for each band across Westminster, including the typical parish precept, so a parish's own bill can differ a little. Discounts lower the bill, such as 25% off for an adult living alone. Check a home's band on GOV.UK.

Price guide

100 comparables · within 0.8 miles

Priced above 75% of the 1-bed flats for sale nearby right now.

This home, £875,000 Median £697,000 · £375,000 – £1,250,000

Per square foot

£1,449 16% over

1-bed flats nearby £1,254

Against sold prices

77% over

SE1 sold median £820 / sq ft, 1,276 sales

Compared with 100 1-bed flats for sale within 0.8 miles, on the market now or already under offer. The range is the middle 80% of their asking prices. Sold prices are HM Land Registry sales in SE1 over the last 24 months, per square foot of EPC floor area. All sold £/sq ft in SE1 →

Location

Casson Square, London, SE1

Open map Street View

Mortgage and stamp duty

Property price £875,000

£437k £1.3m

Deposit10% £88,000

£0 £875k

Interest rate 4.5%

0.5% 15%

Repayment period 25 years

5 years 40 years

A £787,000 mortgage. Most lenders would want a household income of about £175,000 to support it.

A guide only, for a capital repayment mortgage. The rate you are offered and what you can borrow depend on your circumstances and a full application with a lender or broker. Your home may be repossessed if you do not keep up repayments on your mortgage.

Properties sold nearby

HM Land Registry sales nearby. Floor areas from Energy Performance Certificates where matched.

Address	Type	Sold	Size	Size	£/sq ft	Price
603, 30, Casson Square Flat / maisonette	Flat / maisonette	Jul 2026	560 sq ft £1,224/sq ft	560 sq ft	£1,224	£685,000
1106, 30, Casson Square Flat / maisonette	Flat / maisonette	Sept 2025	560 sq ft £1,456/sq ft	560 sq ft	£1,456	£815,000
1103, 30, Casson Square Flat / maisonette	Flat / maisonette	Aug 2025	560 sq ft £1,626/sq ft	560 sq ft	£1,626	£910,000
1002, 30, Casson Square Flat / maisonette · new build	Flat / maisonette · new build	May 2023	657 sq ft £1,751/sq ft	657 sq ft	£1,751	£1,150,000
Apartment 504, 30, Casson Square Flat / maisonette	Flat / maisonette	May 2023	980 sq ft £1,480/sq ft	980 sq ft	£1,480	£1,450,000
Apartment 403, 30, Casson Square Flat / maisonette	Flat / maisonette	Mar 2023	560 sq ft £1,340/sq ft	560 sq ft	£1,340	£750,000
201, 30, Casson Square Flat / maisonette · new build	Flat / maisonette · new build	Aug 2022	635 sq ft £1,496/sq ft	635 sq ft	£1,496	£950,000
Apartment 706, 30, Casson Square Flat / maisonette · new build	Flat / maisonette · new build	Jun 2021	560 sq ft £1,510/sq ft	560 sq ft	£1,510	£845,000