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W1H 6LJ

Portman Square, London, W1H

£4,450,000
Not valued
3 Beds
3 Baths
144 m² Floor area
Type Flat
Listed 21 Oct 2026
Price per m² £30,903 / m²
  • Refurbished throughout with bespoke interiors, and offered fully furnished and turnkey
  • Open-plan reception and dining room overlooking Portman Square Gardens
  • Three bedrooms, three bathrooms (one en suite) and a separate guest powder room
  • Bespoke kitchen with integrated Miele appliances and brass-framed glass pivot doors
  • Access to Portman Square’s private gardens and tennis court
  • 24-hour uniformed porterage, lift access and a private basement storage room
  • Marble Arch (0.3 miles) and Bond Street with the Elizabeth line (0.4 miles)
  • Principal suite with spa-inspired en-suite bathroom and fitted walk-in wardrobe
  • Comfort cooling throughout and a utility room with generous built-in storage

A fourth-floor lateral apartment on the north side of Portman Square, refurbished and offered fully furnished. There is nothing left to do and nothing to organise, the keys and the front door are the whole of the handover.

Approximately 1,552 sq ft is arranged laterally, with no stairs and very little wasted circulation. The open-plan reception and two of three bedrooms face the garden square. The kitchen is fitted with integrated Miele appliances, bespoke cabinetry and brass-framed glass pivot doors that close it off when you are entertaining and open it up when you are not.

The principal suite has a spa-inspired en-suite bathroom and a fully fitted walk-in wardrobe. Two further bedrooms give you guests one week and a study the next, one arranged with two singles and a daybed, the other a flexible study/bedroom. Three bathrooms in total, one en-suite, plus a separate powder room. A utility room adds built-in storage and a fold-down bed for a housekeeper to stay.

Fifteen Portman Square is a purpose-built Art Deco block dating from the mid-1930s, on the north side of the square. There is 24-hour porterage, lift access, and a private storage room at basement level. Residents may subscribe to Portman Square Gardens: a hectare of London plane trees, lawn and winding paths, with a tennis court behind the railings. Very little else this close to Oxford Street comes with a garden gate.

The service charge includes water, heating and building insurance. The building has a healthy reserve fund that will benefit the new owners.

"Our vision was to create a home that feels effortlessly elegant, where timeless craftsmanship, natural light and carefully considered design come together to offer the comfort of a family home within one of London's most distinguished addresses." - Kirill, Creative Designer, House of Aisha London.

Location Information:

Selfridges and the M&S Foodhall on Orchard Street are a two-minute walk. Marylebone High Street, Waitrose, Daunt Books, Granger & Co. are under half a mile north, and Hyde Park is 0.5 miles south-west. Home House occupies No. 20 on the square itself; the Nobu Hotel sits at No. 22.

Marble Arch (Central line) is 0.3 miles away and Bond Street, Central, Jubilee and the Elizabeth line are 0.4 miles, putting the City, Canary Wharf and Heathrow within a single ride. Baker Street adds four further lines a short walk north.

Lateral apartments of this size, genuinely finished and furnished, come up on this square rarely.

Contact Fortuna and Co. to arrange your private viewing.

How the asking price has moved

Oct 2026
£4,450,000
Listed at original asking price

Prices, costs and what's nearby

What homes within 400 m sold for since Nov 2023, by type. Source: HM Land Registry.

Type Median Middle 80%
Flat This home
Median
119 sales
Terraced
Median
21 sales
Semi-Detached
No sales nearby
Detached
Median
1 sale

Most recent sales

Address Sold price Date Type Distance
Flat 78, 15, 15 PORTMAN SQUARE, W1H 6LL £1,012,500 Aug 2026 Flat 10 m
Flat 6, 14 15, 14 15 FITZHARDINGE STREET, W1H 6EQ £2,367,000 Jul 2026 Flat 160 m
Flat 66, 15, 15 PORTMAN SQUARE, W1H 6LJ £2,700,000 Oct 2025 Flat 10 m
Flat 8, 35, 35 GEORGE STREET, W1U 3QP £1,400,000 Sep 2025 Flat 150 m
Flat 3, 2, 2 MONTAGU SQUARE, W1H 2LA £2,800,000 Sep 2025 Flat 180 m
Flat 54, 15, 15 PORTMAN SQUARE, W1H 6LJ £2,100,000 Jul 2025 Flat 10 m
6 GLOUCESTER PLACE MEWS, W1U 8BA £3,000,000 May 2025 Terraced 200 m
Flat 3, ST PAULS COURT, 56 MANCHESTER STREET, W1U 3AF £2,500,000 Oct 2024 Flat 170 m
20 GLOUCESTER PLACE MEWS, W1U 8BA £1,295,000 Jul 2024 Terraced 200 m
Flat 68, 15, 15 PORTMAN SQUARE, W1H 6LL £2,000,000 Jun 2024 Flat 10 m
Flat 63, FITZHARDINGE HOUSE, PORTMAN SQUARE, W1H 6LH £5,000,000 Apr 2024 Flat 40 m
12 GLOUCESTER PLACE MEWS, W1U 8BA £950,000 Apr 2024 Terraced 200 m
1 GLOUCESTER PLACE MEWS, W1U 8BA £1,430,000 Feb 2024 Flat 200 m
Flat 21, 35, 35 GEORGE STREET, W1U 3QP £790,000 Jan 2024 Flat 150 m
Flat 89, 15, 15 PORTMAN SQUARE, W1H 6LL £1,340,000 Dec 2023 Flat 10 m
Source: HM Land Registry · within 200 m (distance to postcode centre) · most recent first

Portman Square, London, W1H

We don't have enough nearby Land Registry sales matched to EPC floor-area data for this postcode and property type to calculate a fair price estimate. All other details are still available.

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About this valuation

Fair price calculated from HM Land Registry sold prices in the same postcode area, adjusted by the UK House Price Index, and multiplied by the EPC-declared floor area of 144 m². Updated daily.

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