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3 bed flat for sale Portman Square, London, W1H

Asking price

£6,000,000

Added on 29/09/2026

Type: Flat
Bedrooms: 3
Bathrooms: 3
Size: £3,146 per sq ft
Tenure: Leasehold

Council tax Band H

Highlights

From the agent's description

Penthouse
Underground parking
Newly refurbished
Top floor
Dual aspect
Porter

About this property

A very rare opportunity to purchase a stunning, interior designed penthouse apartment. Located in one of the most enviable positions on Portman Square benefiting from stunning southerly and easterly panoramic views over Portman and Manchester Square is this 3 bedroom, double aspect penthouse apartment having been extensively refurbished and interior designed by award winners Base Interior.

Floorplan

Council tax

Band H

Price guide

100 comparables · within 0.7 miles

Priced above 89% of the 3-bed flats for sale nearby right now.

This home, £6,000,000 Median £2,147,500 · £999,500 – £6,000,000

Per square foot

£3,146 114% over

3-bed flats nearby £1,472

Compared with 100 3-bed flats for sale within 0.7 miles, on the market now or already under offer. The range is the middle 80% of their asking prices.

Location

Portman Square, London, W1H

Open map Street View

Mortgage and stamp duty

Property price £6,000,000

£3m £9m

Deposit10% £600,000

£0 £6m

Interest rate 4.5%

0.5% 15%

Repayment period 25 years

5 years 40 years

A £5,400,000 mortgage. Most lenders would want a household income of about £1,200,000 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.