3Y Avg Price
£347,050
5 sales
Properties
21
Sales / Year
1.6
5-year average
Avg £/sq ft
£318
£3,426/m²
Rank in PO3
20th
of 134 streets
Last Sale
£370,000
Mar 2026
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
33 total recorded
40 Seaton Avenue
Semi-Detached
£370,000
Mar 2026
48 Seaton Avenue
Semi-Detached
£365,250
Feb 2026
14 Seaton Avenue
Semi-Detached
£355,000
Jan 2026
33 Seaton Avenue
Semi-Detached
£290,000
Oct 2024
48 Seaton Avenue
Semi-Detached
£355,000
Aug 2024
1 Seaton Avenue
Semi-Detached
£300,000
Oct 2022
14 Seaton Avenue
Semi-Detached
£367,000
Sept 2022
48 Seaton Avenue
Semi-Detached
£353,700
Dec 2021
26 Seaton Avenue
Semi-Detached
£300,000
Feb 2021
9 Seaton Avenue
Semi-Detached
£223,000
Aug 2019
Street Rankings — PO3
Streets ranked by 3-year average sale price. Showing positions 15–25 of 134.
| # | Street | 3Y Avg |
|---|---|---|
| 15 | Paignton Avenue | £365,000 |
| 17 | Sidmouth Avenue | £358,333 |
| 18 | Barton Grove | £355,000 |
| 19 | Algiers Road | £351,250 |
| 20 | Seaton Avenue | £347,050 |
| 21 | Holdenby Court | £346,000 |
| 22 | Monckton Road | £339,000 |
| 23 | Marina Grove | £337,125 |
| 24 | Military Road | £335,417 |
| 25 | Althorpe Drive | £333,333 |
Property Mix
Type
Tenure
EPC Ratings
19 of 21 properties have an EPC record
Avg floor area: 1,044 sq ft (97 m²)
District Context — PO3
PO3 covers the central and eastern areas of Portsmouth, including neighbourhoods around Southsea and the seafront districts. It is a mixed residential area with significant maritime heritage, offering coastal appeal and established community character.
Average Property Price - PO3
£274,365
35
National percentile
Average Net Household Income - PO3
£36,590
41
National percentile
10-Year Annualised Price Growth - PO3
3.5%
45
National percentile
10-Year Annualised Rent Growth - PO
4.1%
58
National percentile