3Y Avg Price
£1,153,333
3 sales
Properties
31
18 freehold · 13 leasehold
Sales / Year
0.8
5-year average
Avg £/sq ft
£764
£8,226/m²
Rank in TW9
63rd
of 178 streets
Last Sale
£1,002,500
Oct 2025
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
66 total recorded
31 Castlegate
Semi-Detached
£1,002,500
Oct 2025
27 Castlegate
Terraced
£1,350,000
Sept 2025
14 Castlegate
Terraced
£1,107,500
Oct 2023
24 Castlegate
Terraced
£1,850,000
Feb 2022
1 Castlegate
Terraced
£1,250,000
Jun 2021
6 Castlegate
Terraced
£1,135,000
Nov 2019
24 Castlegate
Terraced
£1,680,000
Jul 2019
FLAT 3, WINCHESTER COURT Castlegate
Flat/Maisonette
£347,500
Oct 2017
27 Castlegate
Terraced
£985,000
Sept 2017
8 Castlegate
Terraced
£905,000
Sept 2017
Street Rankings — TW9
Streets ranked by 3-year average sale price. Showing positions 58–67 of 178.
| # | Street | 3Y Avg |
|---|---|---|
| 58 | Topiary Square | £1,200,000 |
| 60 | Thetis Terrace | £1,190,000 |
| 61 | Priory Road | £1,168,000 |
| 62 | Marksbury Avenue | £1,159,917 |
| 63 | Castlegate | £1,153,333 |
| 64 | Manor Park | £1,120,000 |
| 65 | Mortlake Road | £1,104,000 |
| 66 | Willow Cottages | £1,095,000 |
| 67 | Somerton Avenue | £1,090,000 |
| 67 | Townshend Road | £1,090,000 |
Property Mix
Type
Tenure
EPC Ratings
27 of 31 properties have an EPC record
Avg floor area: 1,141 sq ft (106 m²)
District Context — TW9
TW9 covers Kew, Richmond and surrounding areas in southwest London, situated west of central London along the Thames. It is an affluent, highly professional neighbourhood with strong heritage appeal and excellent access to green spaces and transport links.
Average Property Price - TW9
£829,877
98
National percentile
12 month avg at 31 Aug 2026
Average Net Household Income - TW9
£72,516
100
National percentile
2023 census data
10-Year Annualised Price Growth - TW9
0.0%
5
National percentile
Estimate at 31 Aug 2026
10-Year Annualised Rent Growth - TW
3.2%
7
National percentile
Estimate at 31 Aug 2026