3Y Avg Price
£1,594,583
6 sales
Properties
44
12 freehold · 32 leasehold
Sales / Year
2.4
5-year average
Avg £/sq ft
£1,097
£11,807/m²
Rank in TW10
36th
of 144 streets
Last Sale
£3,450,000
Jun 2026
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
109 total recorded
1 Onslow Avenue
Terraced
£3,450,000
Jun 2026
18 Onslow Avenue
Terraced
£2,787,500
Sept 2025
32, ONSLOW AVENUE MANSIONS Onslow Avenue
Flat/Maisonette
£550,000
May 2025
29, ONSLOW AVENUE MANSIONS Onslow Avenue
Flat/Maisonette
£820,000
Jul 2024
4, ONSLOW AVENUE MANSIONS Onslow Avenue
Flat/Maisonette
£1,050,000
May 2024
10, ONSLOW AVENUE MANSIONS Onslow Avenue
Flat/Maisonette
£910,000
Jan 2024
24 Onslow Avenue
Terraced
£2,225,000
Mar 2023
14 Onslow Avenue
Terraced
£2,300,000
Feb 2023
20 Onslow Avenue
Terraced
£2,300,000
Nov 2022
31, ONSLOW AVENUE MANSIONS Onslow Avenue
Flat/Maisonette
£1,025,000
Oct 2022
Street Rankings — TW10
Streets ranked by 3-year average sale price. Showing positions 32–41 of 144.
| # | Street | 3Y Avg |
|---|---|---|
| 32 | Marchmont Road | £1,695,000 |
| 33 | Clydesdale Gardens | £1,657,500 |
| 34 | Arlington Road | £1,603,500 |
| 35 | Burnell Avenue | £1,595,000 |
| 36 | Onslow Avenue | £1,594,583 |
| 37 | Denehurst Gardens | £1,555,014 |
| 38 | Warrington Road | £1,537,667 |
| 39 | Ham Ridings | £1,500,000 |
| 40 | Bainbridge Close | £1,490,500 |
| 41 | Mount Ararat Road | £1,464,904 |
Property Mix
Type
Tenure
EPC Ratings
40 of 44 properties have an EPC record
Avg floor area: 1,087 sq ft (101 m²)
District Context — TW10
TW10 covers Richmond and the surrounding areas in southwest London, positioned on the Thames' south bank. It is an affluent, established residential neighbourhood with strong green space appeal and good transport links to central London.
Average Property Price - TW10
£1,115,552
98
National percentile
Average Net Household Income - TW10
£70,168
100
National percentile
10-Year Annualised Price Growth - TW10
1.7%
7
National percentile
10-Year Annualised Rent Growth - TW
3.0%
5
National percentile