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Portman Square, Westminster

Sold-price history and street data for Portman Square in Westminster — every sale sourced to HM Land Registry, free from Acreright.

Median £602,500294 sold sales since 1995Latest Oct 202557 companies registeredNearest station Bond Street · 0.6 km

Homes sold here: 288 flats · 5 other · 1 terraced.

57 companies have their registered office on this street, of which 13 are property companies (Companies House, 2026-07-01) — where a company is registered, not necessarily where it trades.

EPC ratings on this street: 60% are rated C or better (B 5 · C 68 · D 36 · E 12) — Energy Performance of Buildings register.

Full Westminster area report → — prices, schools, crime, transport and more.

Sold prices

DateAddressTypeTenurePrice
Oct 2025Flat 66 15, Portman SquareFlatLeasehold£2,700,000
Jul 2025Flat 54 15 Portman SquareFlatLeasehold£2,100,000
Feb 2025Flat 1 15 Portman Square ·BOtherLeasehold£25,000
Oct 2024Flat 22 Fitzhardinge House Portman Square ·BFlatLeasehold£2,000,000
Oct 2024Flat 56 Fitzhardinge House Portman Square ·BFlatLeasehold£2,000,000
Jun 2024Flat 68 15 Portman SquareFlatLeasehold£2,000,000
May 2024Flat 65 Fitzhardinge House Portman Square ·BFlatLeasehold£4,000,000
Apr 2024FITZHARDINGE HOUSE PORTMAN SQUAREFlatLeasehold£5,000,000
Dec 2023Flat 89 15 Portman SquareFlatLeasehold£1,340,000
Nov 2023Flat 41 15 Portman Square ·BFlatLeasehold£975,000
Nov 2023Flat 96 15, Portman SquareFlatLeasehold£1,200,000
Oct 2023Flat 3 15 Portman SquareFlatLeasehold£450,000
Sep 2023Flat 40 Orchard Court Portman Square ·BFlatLeasehold£6,700,000
Aug 2023Flat 16 15 Portman Square ·BFlatLeasehold£2,715,000
Jul 2023Flat 26 15, Portman SquareFlatLeasehold£1,950,000
Jan 2023Flat 30 15 Portman SquareFlatLeasehold£2,545,000
Dec 2022Flat 72 15, Portman Square ·BFlatLeasehold£920,000
Nov 2022Flat 23 Orchard Court Portman Square ·BFlatLeasehold£10,000,000
Jul 2022Flat 29 15, Portman SquareFlatLeasehold£2,150,000
Jul 2022Flat 37 15, Portman SquareFlatLeasehold£2,000,000
Mar 2022Flat 42 Orchard Court Portman SquareFlatLeasehold£5,400,000
Mar 2022Flat 40 Orchard Court Portman Square ·BFlatLeasehold£5,000,000
Mar 2022Flat 57 Fitzhardinge House Portman SquareFlatLeasehold£507,000
Oct 2021Flat 20 Orchard Court Portman Square ·BOtherLeasehold£8,000,000
Sep 2021Flat 2 Fitzhardinge House Portman SquareFlatLeasehold£1,725,000
Jul 2021Flat 67 15, Portman SquareFlatLeasehold£1,700,000
Mar 2021Flat 101 15, Portman SquareFlatLeasehold£1,350,000
Feb 2021Flat 66 15, Portman SquareFlatLeasehold£2,000,000
Jan 202115 PORTMAN SQUAREFlatLeasehold£3,500,000
Nov 2020Flat 97 15, Portman SquareFlatLeasehold£750,000
Sep 2020Flat 10 Orchard Court Portman SquareFlatLeasehold£6,100,000
Jul 202015 PORTMAN SQUAREFlatLeasehold£3,150,000
Apr 2020Flat 17 Fitzhardinge House Portman SquareFlatLeasehold£1,375,000
Feb 2020Flat 89 15 Portman SquareFlatLeasehold£1,260,000
Jan 2020Flat 100 15, Portman SquareFlatLeasehold£1,430,000
Nov 2019ORCHARD COURT PORTMAN SQUAREFlatLeasehold£8,437,500
Nov 2019ORCHARD COURT PORTMAN SQUAREFlatLeasehold£8,812,500
Nov 2019Flat 5 Fitzhardinge House Portman Square ·BFlatLeasehold£825,000
Nov 2019Flat 56 Fitzhardinge House Portman Square ·BFlatLeasehold£1,610,000
Jul 2019Flat 82 15, Portman SquareFlatLeasehold£2,050,000
Mar 2019Flat 16 Fitzhardinge House Portman SquareFlatLeasehold£572,000
Mar 2019Flat 17 Fitzhardinge House Portman Square ·BFlatLeasehold£900,000
Sep 2018ORCHARD COURT PORTMAN SQUAREFlatLeasehold£5,950,000
Jun 201815 PORTMAN SQUAREFlatLeasehold£3,015,000
May 2018Flat 43 Fitzhardinge House Portman Square ·BFlatLeasehold£250,000
Mar 2018FITZHARDINGE HOUSE PORTMAN SQUAREOtherLeasehold£634,900
Feb 2018Flat 35 15, Portman SquareFlatLeasehold£2,252,056
Jan 2018Flat 26 15, Portman SquareFlatLeasehold£700,000
Jan 2018Flat 7 Fitzhardinge House Portman SquareFlatLeasehold£1,846,934
Nov 2017Flat 101 15, Portman SquareFlatLeasehold£840,000
Nov 2017Flat 16 Fitzhardinge House Portman SquareFlatLeasehold£2,400,000
Nov 2017Flat 112 15, Portman Square ·BFlatLeasehold£3,350,000
Oct 2017Flat 47 15, Portman SquareFlatLeasehold£2,100,000
Oct 2017Flat 20 Orchard Court Portman Square ·BOtherLeasehold£12,000,000
Aug 2017Flat 120 15 Portman SquareFlatLeasehold£660,000
Jul 2017Flat 56 15, Portman SquareFlatLeasehold£1,385,000
May 2017Flat 12 Fitzhardinge House Portman SquareFlatLeasehold£725,000
Mar 2017FLAT 115 15 PORTMAN SQUAREFlatLeasehold£1,000,000
Feb 2017Flat 34 Orchard Court Portman SquareFlatLeasehold£7,740,000
Dec 201615 PORTMAN SQUAREFlatLeasehold£1,150,000

HM Land Registry Price Paid · updated Jul 2026. Showing the 60 most recent of 293 sales. Prices are nominal. “·B” marks a Land Registry category-B transfer (may not reflect full market value).

Has it held its value?

95 homes on Portman Square sold twice in the records — 5.3% resold for less than the previous owner paid (nominal). How this is measured.

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Nearby streets

Portman Close 0.1 kmRobert Adam Street 0.1 kmBerkeley Mews 0.2 kmMontagu Street 0.2 kmGloucester Place Mews 0.3 km

← Westminster area report · How we compute this