« Sold prices in SW7
14, ONSLOW SQUARE, LONDON, KENSINGTON AND CHELSEA, GREATER LONDON, SW7 3NP £2,200,000
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.
Schools nearby The nearest 10 schools within 10 miles, by straight-line distance from the postcode centre. These are not catchment areas — admissions depend on each school’s criteria, so check with the local council .
Primary · Council-maintained · ages 5–11 · Roman Catholic ·
website Ofsted, Sept 2023: Outstanding
All-through · Independent · ages 2–19 ·
website Independent schools are inspected by Ofsted or the ISI — school record Primary · Academy · ages 4–11 · Roman Catholic ·
website Ofsted, Dec 2023 (as predecessor school) : Good
Secondary · Independent · ages 14–20 ·
website Independent schools are inspected by Ofsted or the ISI — school record Primary · Council-maintained · ages 0–11 ·
website Ofsted, Sept 2024 — graded by area, no overall grade:
Quality of education: Outstanding Behaviour: Outstanding Personal development: Outstanding Leadership: Outstanding
All-through · Independent · ages 4–19 · Girls only ·
website Independent schools are inspected by Ofsted or the ISI — school record Primary · Independent · ages 2–11 · Selective (grammar) · Girls only ·
website Independent schools are inspected by Ofsted or the ISI — school record All-through · Independent · ages 4–12 · Girls only ·
website Independent schools are inspected by Ofsted or the ISI — school record Primary · Independent · ages 2–11 ·
website Independent schools are inspected by Ofsted or the ISI — school record All-through · Independent · ages 4–13 · Selective (grammar) · Boys only · Roman Catholic ·
website Independent schools are inspected by Ofsted or the ISI — school record School details from Get Information About Schools (Department for Education). Inspection outcomes from Ofsted management information as at 30 September 2026; check the latest report on Ofsted’s website. Since November 2025 Ofsted report cards grade each area separately and give no overall grade. © Crown copyright, licensed under the Open Government Licence v3.0.
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)
-28%
below postcode average
Full transaction history This address covers more than one registered unit or interest (for example separate flats, or a leasehold and the freehold). The Property column shows each one. These are separate Land Registry entries, not repeat sales of one home.
Property Date sold Price paid Property type Tenure New build FLAT 9, 14 25 June 2025 £2,200,000 Flat/Maisonette Leasehold No FLAT 10, 14 24 July 2024 £1,975,000 Flat/Maisonette Leasehold No FLAT 10, 14 1 September 2021 £525,000 Flat/Maisonette Leasehold No FLAT 8, 14 20 July 2016 £3,600,000 Flat/Maisonette Leasehold No FLAT 6, 14 2 November 2015 £3,200,000 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
£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
£1,800,000
FLAT 7, 6, ONSLOW SQUARE, LONDON, KENSINGTON AND CHELSEA, GREATER LONDON, SW7 3NP
Flat/Maisonette Jun 2021
More sold prices in SW7 Sold prices in LONDON