3Y Avg Price
£400,250
4 sales
Properties
28
26 freehold · 2 leasehold
Sales / Year
1.8
5-year average
Avg £/sq ft
£478
£5,142/m²
Rank in RM13
137th
of 225 streets
Last Sale
£425,000
Dec 2025
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
47 total recorded
18 Castle Avenue
Terraced
£395,000
Dec 2025
28 Castle Avenue
Terraced
£425,000
Dec 2025
31 Castle Avenue
Terraced
£445,000
Nov 2024
17 Castle Avenue
Terraced
£336,000
Apr 2024
41 Castle Avenue
Terraced
£382,500
Mar 2023
3 Castle Avenue
Terraced
£442,750
Sept 2022
33 Castle Avenue
Terraced
£410,000
Aug 2022
22 Castle Avenue
Terraced
£400,000
Jan 2022
11 Castle Avenue
Terraced
£400,000
Jan 2022
35 Castle Avenue
Terraced
£417,000
Feb 2021
Street Rankings — RM13
Streets ranked by 3-year average sale price. Showing positions 133–142 of 225.
| # | Street | 3Y Avg |
|---|---|---|
| 133 | Lynbrook Close | £406,667 |
| 134 | Thorn Lane | £405,500 |
| 135 | Glenwood Avenue | £402,500 |
| 136 | South End Road | £401,376 |
| 137 | Castle Avenue | £400,250 |
| 138 | Neptune Close | £400,000 |
| 139 | Stapleton Crescent | £399,250 |
| 140 | Sexton Close | £398,000 |
| 141 | Wentworth Way | £397,200 |
| 142 | Blake Close | £396,786 |
Property Mix
Type
Tenure
EPC Ratings
18 of 28 properties have an EPC record
Avg floor area: 893 sq ft (83 m²)
District Context — RM13
RM13 covers Southend-on-Sea and surrounding areas in Essex, positioned on the Thames estuary east of London. It is a mixed residential area with seaside heritage, offering suburban living with transport links to the capital.
Average Property Price - RM13
£430,004
74
National percentile
12 month avg at 31 Aug 2026
Average Net Household Income - RM13
£47,421
82
National percentile
2023 census data
10-Year Annualised Price Growth - RM13
3.8%
76
National percentile
Estimate at 31 Aug 2026
10-Year Annualised Rent Growth - RM
4.2%
67
National percentile
Estimate at 31 Aug 2026