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1 bed flat for sale John Islip Street, Westminster, SW1P

Asking price

£425,000

Reduced on 18/10/2026

Type: Flat
Bedrooms: 1
Bathrooms: 1
Size: £953 per sq ft
Tenure: Share of freehold

Council tax Band D £1,050 a year

Key features

Bright and well-presented one-bedroom apartment in a sought-after, established development; ideal as a Central London home
Spacious open-plan reception room with fully fitted kitchen
Good-sized double bedroom with built-in wardrobes and a contemporary bathroom
No onward Chain
24-hour porterage and access to a communal roof terrace with panoramic London skyline views
Prime location on John Islip Street, within walking distance of key landmarks and excellent transport links

About this property

A bright well-presented eighth floor flat located in this popular portered block in Westminster with the added bonus of a spectacular roof terrace offering panoramic views across London and the River Thames. No onward chain and share of freehold.

A bright and well-presented one-bedroom apartment set within this sought-after and well-established development. Ideal as a Central London home.

Floorplan

Council tax

Band D £1,050 a year

Per year

Band A

£700
Band B

£816
Band C

£933
Band D

This home: £1,050
Band E

£1,283
Band F

£1,516
Band G

£1,749
Band H

£2,099

This home is in band D, which costs £1,050 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 0.6 miles

Cheaper than 83% of the 1-bed flats for sale nearby right now.

This home, £425,000 Median £557,500 · £400,000 – £852,500

Per square foot

£953 7% under

1-bed flats nearby £1,028

Against sold prices

3% under

SW1P sold median £984 / sq ft, 241 sales

Compared with 100 1-bed flats for sale within 0.6 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 SW1P over the last 24 months, per square foot of EPC floor area. All sold £/sq ft in SW1P →

Location

John Islip Street, Westminster, SW1P

Open map Street View

Mortgage and stamp duty

Property price £425,000

£212k £638k

Deposit10% £43,000

£0 £425k

Interest rate 4.5%

0.5% 15%

Repayment period 25 years

5 years 40 years

A £382,000 mortgage. Most lenders would want a household income of about £85,000 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
Flat 85, Millbank Court, 24, John Islip Street Flat / maisonette	Flat / maisonette	Jan 2026	269 sq ft £1,672/sq ft	269 sq ft	£1,672	£450,000
Flat 103, Millbank Court, 24, John Islip Street Flat / maisonette	Flat / maisonette	May 2024	452 sq ft £1,239/sq ft	452 sq ft	£1,239	£560,000
Flat 92, Millbank Court, 24, John Islip Street Flat / maisonette	Flat / maisonette	Dec 2023	n/a	n/a	n/a	£595,000
Flat 102, Millbank Court, 24, John Islip Street Flat / maisonette	Flat / maisonette	Nov 2022	667 sq ft £1,146/sq ft	667 sq ft	£1,146	£765,000
Flat 117, Millbank Court, 24, John Islip Street Flat / maisonette	Flat / maisonette	Oct 2021	732 sq ft £632/sq ft	732 sq ft	£632	£462,500
Flat 72, Millbank Court, 24, John Islip Street Flat / maisonette	Flat / maisonette	Feb 2020	624 sq ft £1,105/sq ft	624 sq ft	£1,105	£690,000
Flat 103, Millbank Court, 24, John Islip Street Flat / maisonette	Flat / maisonette	Jul 2019	452 sq ft £1,150/sq ft	452 sq ft	£1,150	£520,000
Flat 107, Millbank Court, 24, John Islip Street Flat / maisonette	Flat / maisonette	Oct 2018	474 sq ft £1,225/sq ft	474 sq ft	£1,225	£580,000