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Onslow Square, Kensington and Chelsea

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

Median £1,050,000433 sold sales since 1995Latest Nov 2025

Homes sold here: 426 flats · 6 other · 1 terraced.

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

Sold prices

DateAddressTypeTenurePrice
Nov 2025Flat 2 11 Onslow SquareFlatLeasehold£2,750,000
Oct 2025Flat 11 Malvern Court Onslow SquareFlatLeasehold£1,725,000
Aug 2025Flat 10 81 Onslow SquareFlatLeasehold£2,500,000
Jun 2025Flat 9 14, Onslow SquareFlatLeasehold£2,200,000
Jun 2025Flat 34 Malvern Court Onslow Square ·BFlatLeasehold£1,200,000
Apr 2025Flat 31 Malvern Court Onslow SquareFlatLeasehold£1,850,000
Apr 2025MALVERN COURT ONSLOW SQUAREOtherLeasehold£96,408
Mar 2025Flat 21 Malvern Court Onslow SquareFlatLeasehold£1,490,000
Nov 202427 ONSLOW SQUAREFlatLeasehold£275,000
Nov 2024Flat 2 23 Onslow SquareFlatLeasehold£2,825,000
Oct 2024Flat 1 73 Onslow Square ·BFlatLeasehold£1,732,000
Oct 2024Flat 12 25 Onslow SquareFlatLeasehold£560,000
Sep 20242 Onslow SquareTerracedLeasehold£3,700,000
Sep 2024109A ONSLOW SQUAREFlatLeasehold£1,275,000
Aug 20244 ONSLOW SQUARE LONDON ·BOtherLeasehold£4,100,000
Jul 2024Flat 16 Malvern Court Onslow SquareFlatLeasehold£2,288,000
Jul 2024Flat 16 Malvern Court Onslow SquareFlatLeasehold£2,288,000
Jul 2024Flat 10 14, Onslow SquareFlatLeasehold£1,975,000
Jun 202493, Onslow SquareFlatLeasehold£2,100,000
Jun 2024Flat 2 69, Onslow SquareFlatLeasehold£5,000,000
Apr 2024Flat 12 27, Onslow SquareFlatLeasehold£1,400,000
Mar 2024Flat 1 24 Onslow SquareFlatLeasehold£1,730,000
Feb 2024Flat 14 27 Onslow SquareFlatLeasehold£1,493,500
Jan 2024Flat 45 Malvern Court Onslow SquareFlatLeasehold£1,275,000
Nov 2023Flat 2 27, Onslow SquareFlatLeasehold£1,050,000
Oct 2023Flat 47 Malvern Court Onslow SquareFlatLeasehold£2,495,000
Oct 2023Flat 6 89, Onslow SquareFlatLeasehold£2,600,000
Sep 2023Flat 32 Malvern Court Onslow SquareFlatLeasehold£2,150,000
Sep 202361 ONSLOW SQUAREFlatLeasehold£2,750,000
Aug 2023Flat 28 Malvern Court Onslow SquareFlatLeasehold£1,775,000
Jul 2023Flat 11 25 Onslow SquareFlatLeasehold£1,600,000
Jul 2023Flat 2 43 Onslow SquareFlatLeasehold£3,750,000
May 2023Flat 3 23 Onslow Square ·BFlatLeasehold£2,800,000
Apr 2023Flat 41 Malvern Court Onslow SquareFlatLeasehold£2,250,000
Jan 2023Flat 9 105, Onslow SquareFlatLeasehold£5,500,000
Sep 202257 ONSLOW SQUAREOtherLeasehold£17,000,000
Sep 2022Flat 27 Malvern Court Onslow SquareFlatLeasehold£2,500,000
Sep 202261a Onslow SquareFlatLeasehold£718,000
Aug 2022Flat 1 17 Onslow Square ·BFlatLeasehold£3,600,000
Jul 2022Flat 3 55, Onslow Square ·BFlatLeasehold£3,725,000
May 2022Flat 4 Malvern Court Onslow SquareFlatLeasehold£1,440,000
Mar 2022Flat 45 Malvern Court Onslow SquareFlatLeasehold£350,000
Mar 2022Flat 11 27, Onslow Square ·BFlatLeasehold£1,130,000
Oct 2021FLAT 6 27 ONSLOW SQUARE ·BFlatLeasehold£430,000
Sep 2021FLAT 3 43 ONSLOW SQUARE LONDONFlatLeasehold£4,100,000
Sep 2021Flat 4 Malvern Court Onslow SquareFlatLeasehold£300,000
Sep 2021Flat 10 14, Onslow Square ·BFlatLeasehold£525,000
Jun 2021Flat 7 6, Onslow SquareFlatLeasehold£1,800,000
Jun 2021Flat 3 97, Onslow SquareFlatLeasehold£2,300,000
Jun 2021FLAT 4 81 ONSLOW SQUAREFlatLeasehold£3,325,000
Jun 2021Flat 4 Malvern Court Onslow SquareFlatLeasehold£230,000
Apr 2021Flat 12 105, Onslow SquareFlatLeasehold£2,500,000
Mar 2021Flat 4 46 Onslow Square ·BFlatLeasehold£4,750,000
Mar 2021Flat 3 24, Onslow SquareFlatLeasehold£1,700,000
Mar 2021Flat 1 1 Onslow SquareFlatLeasehold£2,300,000
Jan 2021FLAT 4 89 ONSLOW SQUARE LONDONFlatLeasehold£2,450,000
Dec 202047 ONSLOW SQUAREFlatLeasehold£4,950,000
Oct 2020Flat 1a 25 Onslow SquareFlatLeasehold£560,000
Aug 2020Flat 24 Malvern Court Onslow SquareFlatLeasehold£1,880,000
May 2020Flat 2 38, Onslow SquareFlatLeasehold£6,700,000

HM Land Registry Price Paid · updated Jul 2026. Showing the 60 most recent of 434 sales. Prices are nominal. “·B” marks a Land Registry category-B transfer (may not reflect full market value).

Has it held its value?

151 homes on Onslow Square sold twice in the records — 12.6% resold for less than the previous owner paid (nominal). How this is measured.

Nearby streets

Sumner Place 0.1 kmOnslow Crescent 0.1 kmSydney Close 0.1 kmSydney Place 0.1 kmPelham Place 0.2 km

← Kensington and Chelsea area report · How we compute this