3Y Avg Price
£1,718,056
27 sales
Properties
320
6 freehold · 314 leasehold
Sales / Year
9.2
5-year average
Avg £/sq ft
£1,996
£21,489/m²
Rank in SW7
61st
of 94 streets
Last Sale
£1,850,000
Mar 2026
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
641 total recorded
FLAT 12, 35 Onslow Gardens
Flat/Maisonette
£1,850,000
Mar 2026
FLAT 5, 21 Onslow Gardens
Flat/Maisonette
£3,700,000
Feb 2026
FLAT 7, 90 Onslow Gardens
Flat/Maisonette
£1,650,000
Jan 2026
FLAT 5, 49 Onslow Gardens
Flat/Maisonette
£1,050,000
Dec 2025
FLAT 5, 67 Onslow Gardens
Flat/Maisonette
£1,107,500
Aug 2025
FLAT 6, 66 Onslow Gardens
Flat/Maisonette
£1,125,000
Jul 2025
FLAT 1, 42 Onslow Gardens
Flat/Maisonette
£3,000,000
Jul 2025
84A Onslow Gardens
Flat/Maisonette
£5,000,000
Jul 2025
FLAT 3, 26 Onslow Gardens
Flat/Maisonette
£3,500,000
Mar 2025
FLAT 10, 30 Onslow Gardens
Flat/Maisonette
£480,000
Dec 2024
Street Rankings — SW7
Streets ranked by 3-year average sale price. Showing positions 57–66 of 94.
| # | Street | 3Y Avg |
|---|---|---|
| 57 | Queensberry Mews West | £1,800,000 |
| 58 | Cranley Mews | £1,775,500 |
| 59 | Montpelier Terrace | £1,737,000 |
| 60 | Evelyn Gardens | £1,719,000 |
| 61 | Onslow Gardens | £1,718,056 |
| 62 | Stanhope Gardens | £1,638,273 |
| 63 | Wetherby Place | £1,603,600 |
| 64 | Cornwall Gardens | £1,565,229 |
| 65 | Cornwall Mews South | £1,517,500 |
| 66 | Roland Gardens | £1,491,803 |
Property Mix
Type
Tenure
EPC Ratings
294 of 320 properties have an EPC record
Avg floor area: 1,044 sq ft (97 m²)
District Context — SW7
SW7 covers South Kensington and the surrounding area in central London, positioned in the heart of the capital's most prestigious neighbourhood. It is characterised by grand Victorian and Edwardian mansion blocks, world-class museums, and cultural institutions, drawing affluent professionals and international residents.
Average Property Price - SW7
£1,951,944
99
National percentile
Average Net Household Income - SW7
£76,239
100
National percentile
10-Year Annualised Price Growth - SW7
-1.5%
1
National percentile
10-Year Annualised Rent Growth - SW
3.2%
11
National percentile