3Y Avg Price
£650,000
4 sales
Properties
30
Sales / Year
1.6
5-year average
Avg £/sq ft
£482
£5,183/m²
Rank in CT21
28th
of 224 streets
Last Sale
£600,000
Jul 2025
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
49 total recorded
16 Castle Avenue
Detached
£600,000
Jul 2025
12 Castle Avenue
Detached
£725,000
Jul 2025
23 Castle Avenue
Semi-Detached
£650,000
Jan 2024
33 Castle Avenue
Detached
£625,000
Sept 2023
27 Castle Avenue
Detached
£600,000
Jul 2023
5 Castle Avenue
Detached
£825,000
Nov 2022
14 Castle Avenue
Detached
£850,000
Jul 2022
37 Castle Avenue
Detached
£785,000
Apr 2022
16 Castle Avenue
Detached
£470,000
Oct 2019
12 Castle Avenue
Detached
£385,000
Jul 2019
Street Rankings — CT21
Streets ranked by 3-year average sale price. Showing positions 24–33 of 224.
| # | Street | 3Y Avg |
|---|---|---|
| 24 | Seaton Avenue | £685,000 |
| 24 | Woodland Rise | £685,000 |
| 26 | Sene Park | £675,000 |
| 27 | Imperial Gardens | £655,200 |
| 28 | Castle Avenue | £650,000 |
| 29 | Elm Gardens | £640,000 |
| 30 | Ashford Road | £637,500 |
| 31 | The Haven | £635,000 |
| 32 | Barrack Hill | £633,333 |
| 33 | Cannongate Close | £625,000 |
Property Mix
Type
Tenure
EPC Ratings
24 of 30 properties have an EPC record
Avg floor area: 1,356 sq ft (126 m²)
District Context — CT21
CT21 covers the Dover area and surrounding communities in southeast Kent, positioned on the English Channel coast. It is a longstanding residential district with a blend of established coastal and inland character, popular with retirees and commuting families.
Average Property Price - CT21
£394,409
68
National percentile
12 month avg at 31 Jul 2026
Average Net Household Income - CT21
£38,331
51
National percentile
2023 census data
10-Year Annualised Price Growth - CT21
1.6%
14
National percentile
Estimate at 31 Jul 2026
10-Year Annualised Rent Growth - CT
4.6%
86
National percentile
Estimate at 31 Jul 2026