« Sold prices in SW7
FLAT 4, 5, ONSLOW SQUARE, LONDON, KENSINGTON AND CHELSEA, GREATER LONDON, SW7 3NJ £2,850,000
Last sale price
Approximate location (postcode centre). Map data © OpenStreetMap contributors.
Local planning constraints Conservation area Thurloe/Smith's Charity Listed buildings 2 nearby outlines
Planning designations from planning.data.gov.uk and Environment Agency flood-risk data, © Crown copyright and database right, under the Open Government Licence v3.0. Coverage is incomplete and depends on the local authority — absence here does not guarantee a property is unaffected. Always check official sources.
How this compares Averages cover every recorded sale in SW7 3NJ (2015–2025) and are not adjusted for house-price changes over that period — where the market has risen, older sales pull the average below today’s values, so treat this as a rough guide rather than a like-for-like comparison.
£5,064,333
Average in SW7 3NJ (2015–2025)
£5,064,333
Average on ONSLOW SQUARE (2015–2025)
-44%
below postcode average
Full transaction history Date sold Price paid Property type Tenure New build 18 December 2015 £2,850,000 Flat/Maisonette Leasehold No
Recent sales nearby £2,750,000
FLAT 2, 11, ONSLOW SQUARE, LONDON, KENSINGTON AND CHELSEA, GREATER LONDON, SW7 3NJ
Flat/Maisonette Nov 2025
£2,825,000
FLAT 2, 23, ONSLOW SQUARE, LONDON, KENSINGTON AND CHELSEA, GREATER LONDON, SW7 3NJ
Flat/Maisonette Nov 2024
£560,000
FLAT 12, 25, ONSLOW SQUARE, LONDON, KENSINGTON AND CHELSEA, GREATER LONDON, SW7 3NJ
Flat/Maisonette Oct 2024
£3,600,000
FLAT 1, 17, ONSLOW SQUARE, LONDON, KENSINGTON AND CHELSEA, GREATER LONDON, SW7 3NJ
Flat/Maisonette Aug 2022
£2,300,000
FLAT 1, 1, ONSLOW SQUARE, LONDON, KENSINGTON AND CHELSEA, GREATER LONDON, SW7 3NJ
Flat/Maisonette Mar 2021
£40,000,000
GARAGE, ONSLOW SQUARE, LONDON, KENSINGTON AND CHELSEA, GREATER LONDON, SW7 3NJ
Other Jan 2017
More sold prices in SW7 Sold prices in LONDON