Sold Flat

FLAT 67

15 PORTMAN SQUARE, LONDON, GREATER LONDON W1H 6LL

3 beds 79 m² Listed 4 Jul 2018 (-2901d)

£2,150,000

Reduced on 28 Jun 2019

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Property details

Tenure

LEASEHOLD

Floor area

79 m²

Last sold

£1,700,000 Jul 2021

Local average

£1,848,077 (+16.3%)

Deprivation

Decile 8 (26,473 of 33,755)

Street crime

3246 incidents within 1 mile (Apr 2026)

Key features

  • 3 Beds 3 Baths (2 En-suites)
  • New Interior Designed
  • Quiet Garden View
  • 24-Hour Porter
  • Long Lease
  • Popular Art Deco Mansion Block
  • Next to Selfridges

Additional details

Garden
Yes

Description

Sole agents Jaffray Estates are proud to bring to market this luxurious newly reconfigured interior designed apartment, offering a modern standard of living with en-suite bathrooms. The apartment is exceptionally quiet, overlooking a small private garden on the west side of 15 Portman Square.

The property would make an ideal home based in the centre of London.
_______________________________________________________

15 Portman Square is a highly sought-after purpose-built Art Deco 1930's block situated on the north side of Portman Square. The building has excellent security with 24-hour porters, and residents have access to the private Portman Square gardens, which also include a tennis court. The building benefits from lifts and communal heating and hot water.

Portman Square is positioned to the north of Oxford Street and benefits from an array of local amenities. The world-renowned department store Selfridges is moments away as well as Marks and Spencer's and the shopping along Oxford Street. Michelin starred restaurants in Mayfair and along Park Lane are also a short walk away. Portman Square is on the west side of Marylebone on The Portman Estate and benefits from the boutique shops and local restaurants found in The Portman Village. The open spaces of Hyde Park are a few minutes away.

Listed by

London

Jaffray Estates Ltd

Reference: 74336615

EPC Rating & Upgrade Cost

Fetching EPC data… Refresh this page in a moment.

Flood risk

Zone: 1

Risk: Low

Job (default Low)

Floorplans

Floorplan 1

Floorplan 1

EPC Graphs

EPC 1

EPC 1

Price history

518% since 2000

Event Date Price % change
Sold 20/07/2021 (4 years ago) £1,700,000 +518.2%
Sold 22/02/2000 (26 years ago) £275,000

Source: HM Land Registry Price Paid Data. Crown copyright.

Sold Comparables

Same street and nearby sales within 0.25 miles (last 5 years). Data from Land Registry Price Paid.

Address Price Date Type
15 FLAT 54 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LJ £2,100,000 11/07/2025 Flat
Same street 15 FLAT 89 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LL £1,340,000 14/12/2023 Flat
Same street 15 FLAT 96 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LL £1,200,000 01/11/2023 Flat
15 FLAT 3 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LJ £450,000 13/10/2023 Flat
15 FLAT 26 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LJ £1,950,000 21/07/2023 Flat
Same street 15 FLAT 72 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LL £920,000 09/12/2022 Flat
15 FLAT 29 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LJ £2,150,000 22/07/2022 Flat
15 FLAT 37 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LJ £2,000,000 01/07/2022 Flat
FITZHARDINGE HOUSE FLAT 57 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LH £507,000 04/03/2022 Flat
30 APARTMENT 8 PORTMAN CLOSE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6DB £3,700,000 15/12/2021 Flat
FITZHARDINGE HOUSE FLAT 2 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LQ £1,725,000 30/09/2021 Flat

Street average: £1,153,333 (3 sales)

Area average: £1,822,750 (8 sales)

Capital growth trend

Land Registry outcode average: last 12 months vs 5y and 10y ago (from sold prices).

5y growth -11.3%
10y growth -42.3%

House Price Index (HM Land Registry — official index, not sold-price averages): City of Westminster. Series: Flats and maisonettes. As of March 2026.

1y (index) -12%
5y (index) -21.6%
10y (index) -19.6%

Company ownership

Registered legal owner is a company.

Company-owned (UK company) Company-owned (Overseas company)

Company: WILLOWGREEN PORTMAN SQUARE LIMITED (2247192)

Rental Range

Estimated market rent for Westminster. Low = conservative, Realistic = average, Optimistic = best case.

Low £2,834/mo
Realistic £3,149/mo
Optimistic £3,464/mo

Based on Local Authority from postcode lookup → Westminster.

LHA (30th percentile) floor for Central London: £2,154/mo (Apr 2025 – Mar 2026)

Location

Nearby

Nearest stations, universities and amenities (distance from property).

Type Name Distance
Shop Sharps 0.0 miles
Bus stop Portman Square 0.1 miles
Shop Fired Earth 0.1 miles
Bus stop George Street 0.1 miles
Train station Marble Arch 0.2 miles
Train station Bond Street 0.3 miles
University LBS Behaviour Lab 0.7 miles
Hospital The Portland Hospital 0.7 miles
Hospital National Hospital for Neurology and Neurosurgery at Cleveland Street 0.8 miles
University Department of Geography 1.1 miles

Street-level crime

Category Count
Theft from the person 714
Other theft 573
Shoplifting 432
Anti-social behaviour 402
Violence and sexual offences 379
Drugs 221
Public order 110
Robbery 109
Burglary 97
Vehicle crime 75
Criminal damage and arson 57
Bicycle theft 40
Other crime 19
Possession of weapons 18
Total incidents 3246

Within 1 mile during Apr 2026. Source: data.police.uk (England & Wales).

Schools nearby

Nearest open schools with Ofsted ratings (England). Closed schools are not shown. Data from Get Information about Schools and Ofsted.

Name Type Distance Ofsted
St Vincent's Catholic Primary School Primary 0.2 miles Outstanding — 4 Feb 2024
Wetherby Preparatory School Other 0.2 miles (No rating)
Halcyon London International School Other 0.3 miles Outstanding — 27 May 2020
Wetherby Senior School Other 0.3 miles (No rating)
Sylvia Young Theatre School Other 0.3 miles (No rating)

Rental Comparables

Rental listings exist nearby, but none matched the 3-bedroom count for this property.

Rent-driven metrics

Based on Area rent estimate.

Rent ratio 0.15%
Max investor price (0.8%) £393,625
Target investor price (1%) £314,900
  • Rent ratio — Monthly rent ÷ purchase price (1% rule). 1%+ = strong, 0.8–1% = okay, <0.8% = weak for cashflow.
  • Max investor price — Rent ÷ 0.8%; the price at which rent would be 0.8% of price (Stoke-style target).
  • Target investor price — Rent ÷ 1%; the price at which rent would be 1% of price (strong cashflow band).
  • Gross yield — Annual rent as % of purchase price (no costs).