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4 bed flat for sale Portman Square, Marylebone, W1H

Asking price

£5,500,000

Added on 29/09/2026

Type: Flat
Bedrooms: 4
Bathrooms: 4
Size: £2,194 per sq ft
Tenure: Leasehold

Highlights

From the agent's description

Kitchen/diner
En-suite
Dining room
Home office
Porter

About this property

Showcasing 11 windows overlooking the beautifully manicured Portman Square Gardens this 2507 sq ft lateral apartment commands attention.

Situated on the 4th floor of this sought after portered mansion block, the apartment boasts stunning views over the green open spaces of Portman Square Gardens.

Comprising large spacious kitchen with room to dine, guest toilet, spacious reception room with views over Portman Square Gardens leading through to an airy dining room, master bedroom with generous en suite and 3 further double bedrooms with en suites.

Floorplan

Council tax

Ask agent

Price guide

100 comparables · within 1.3 miles

Priced above 73% of the 4-bed flats for sale nearby right now.

This home, £5,500,000 Median £2,900,000 · £1,300,000 – £11,150,000

Per square foot

£2,194 51% over

4-bed flats nearby £1,455

Compared with 100 4-bed flats for sale within 1.3 miles, on the market now or already under offer. The range is the middle 80% of their asking prices.

Location

Portman Square, Marylebone, W1H

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Mortgage and stamp duty

Property price £5,500,000

£2.8m £8.3m

Deposit10% £550,000

£0 £5.5m

Interest rate 4.5%

0.5% 15%

Repayment period 25 years

5 years 40 years

A £4,950,000 mortgage. Most lenders would want a household income of about £1,100,000 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.