21 Third Avenue Portsmouth PO6 3JA Data via plota.co.uk
Proposal
Construction of single storey rear and side extension (following removal of existing conservatory) Data via plota.co.uk
Application progress
Approved on 3 Sept 2026 · Fully Delegated Decision · Last checked 4 Sept 2026
Documents 8
Plans & drawings 7
Application forms 1
Site constraints 2
Checked on 11 September 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
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Important details
- Council
- Portsmouth
- Application type
- Householder Planning Application
- Postcode
- PO6 3JA
- Received
- 17 Jun 2026
- Validated
- 18 Jun 2026
- Ward
- Cosham
- Case officer
- Show
- Target decision
- 13 Aug 2026
- Decision
- Conditional Permission
- Decision date
- 3 Sept 2026
- Decision level
- Fully Delegated Decision
- Applicant
- Show
- Agent
- grp architectural design
How this decision compares
Decided in 77 days from validation, 22 days slower than Portsmouth's median of 55 for extensions. Approved, as 86% of extensions here are.
Plota live figures for extensions decided by Portsmouth in the last twelve months, from validation. Portsmouth decision record →
Public comments
No public comments yet.
17 neighbours consulted · Last counted 4 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15016991
- Neighbours
- 18 Jun 2026
- Comments by
- 10 Jul 2026
- Env. assessment
- No
Historical activity at this location
12 nearby applications on record - archival context, not part of the live application.
Nearby activity
Portsmouth ranks #188 out of 296 councils for householder decision speed. 48% of applications have the time limit extended, above the 41% national average. Householder applications are slightly less likely to be approved here (89%) than the national average (90%).
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21 Third Avenue Portsmouth PO6 3JA
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