5 Portsdown Avenue Portsmouth PO6 1EH Data via plota.co.uk
Proposal
Construction of a single-storey rear extension (following removal of the existing extension) and front porch; roof alterations comprising a hip-to-gable roof extension, rear dormer, three front-facing rooflights, and a matching front gable Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 10 Dec 2026, from Portsmouth's recent extensions.
Documents 2
Plans & drawings 1
Application forms 1
Site constraints 4
Checked on 17 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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.
Building
From the energy performance certificate lodged in February 2026, the latest held for this property. The building may have changed since. View the certificate
Every application in Portsmouth - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Portsmouth
- Application type
- Householder Planning Application
- Postcode
- PO6 1EH
- Received
- 7 Oct 2026
- Validated
- 16 Oct 2026
- Ward
- Drayton & Farlington
- Target decision
- 11 Dec 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Show
Decision outlook
Day 12 of the 56-day target. Portsmouth usually decides extensions by day 55.
Plota live figures for extensions decided by Portsmouth in the last twelve months, from validation. Portsmouth decision record →
Public comments
No public comments yet.
Last counted 24 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15277667
- Planning Portal ref
- PP-15277667
- Statutory expiry
- 11 Dec 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%).
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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5 Portsdown Avenue Portsmouth PO6 1EH
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