« Sold prices in SW7
FLAT 7, 6, ONSLOW SQUARE, LONDON, KENSINGTON AND CHELSEA, GREATER LONDON, SW7 3NP £1,800,000
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 3NP (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.
£3,075,455
Average in SW7 3NP (2015–2025)
£3,075,455
Average on ONSLOW SQUARE (2015–2025)
-41%
below postcode average
Full transaction history Date sold Price paid Property type Tenure New build 30 June 2021 £1,800,000 Flat/Maisonette Leasehold No
Recent sales nearby £2,280,000
FLAT 8, 20, ONSLOW SQUARE, LONDON, KENSINGTON AND CHELSEA, GREATER LONDON, SW7 3NP
Flat/Maisonette Dec 2025
£2,200,000
FLAT 9, 14, ONSLOW SQUARE, LONDON, KENSINGTON AND CHELSEA, GREATER LONDON, SW7 3NP
Flat/Maisonette Jun 2025
£3,700,000
2, ONSLOW SQUARE, LONDON, KENSINGTON AND CHELSEA, GREATER LONDON, SW7 3NP
Terraced Sept 2024
£4,100,000
4, ONSLOW SQUARE, LONDON, KENSINGTON AND CHELSEA, GREATER LONDON, SW7 3NP
Other Aug 2024
More sold prices in SW7 Sold prices in LONDON