REF: SW73AL/ONSLOW/GARDENS/21
21 Onslow Gardens
SW7 3AL, LONDON, KENSINGTON AND CHELSEA
Last Sold Price
£3,700,000
13 February 2026 · Flat/Maisonette · Leasehold
+£3,480,000 (+1581.8%) since first recorded sale
Energy Performance
Current
D
→
Potential
B
Floor Area
39m²
Rooms
1
Type
Flat (Mid-Terrace)
Age
England and Wales: before 1900
Annual Costs
Heating£483/yr
Hot Water£407/yr
Lighting£45/yr
CO₂ Emissions2t/yr
Walls: Solid brick, as built, no insulation (assumed)
Roof: (another dwelling above)
Windows: Full secondary glazing
Heating: Room heaters, electric
Fuel: electricity (not community)
Inspected 06/03/2025
Price History — Land Registry
+£3,480,000(+1581.8% since first recorded sale)
| Date | Price |
|---|---|
| 13 Feb 2026 | £3,700,000 |
| 25 Nov 2024 | £4,100,000 |
| 21 Dec 2020 | £358,300 |
| 30 Aug 2019 | £550,000 |
| 16 Jun 2015 | £3,850,000 |
| 26 Jul 2013 | £1,745,000 |
| 10 Jul 2013 | £1,990,000 |
| 29 Jul 2005 | £895,000 |
| 19 Jul 2004 | £385,000 |
| 2 Feb 2004 | £450,000 |
| 5 Aug 2002 | £730,000 |
| 2 Dec 1999 | £445,000 |
| 21 Jul 1999 | £250,000 |
| 5 Jan 1999 | £364,645 |
| 4 May 1995 | £220,000 |
Crime Near SW7 3AL
3crimes reported near this postcode (2026-03)
Anti-Social Behaviour
1
Other Theft
1
Theft from Person
1