Planning application
1B Devonshire Avenue Southsea PO4 9EA
Works: New dwelling Extension Several homes
Read from the description, not a valuation. How we read the register
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Conversion to form two flats at ground floor; external alterations to include construction of single storey extension at first floor
As published by the council, reference 25/01442/FUL
Application record
- Reference
- 25/01442/FUL
- Type
- Full Application
- Status
- Decided
- Decision
- Refuse
- Received
- 10 Dec 2025
- Validated
- 11 Dec 2025
- Decided
- 3 Feb 2026
- Ward
- Central Southsea
- Decision by
- Fully Delegated Decision
- Postcode
- PO4 9EA
Timeline
Dates from the published record
-
10 Dec 2025
Received by Portsmouth
-
11 Dec 2025
Validated
Checked as complete and ready for consideration.
-
3 Feb 2026
Decision issued: Refuse
-
25 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Knight Consulting Agent
28 applications on PlanIndex · across 9 councils · 76% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
12 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat this refusal means
Portsmouth refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
Flat Ground Floor 1B Devonshire Avenue Southsea PO4 9EA
83% historically approved · decision due ~17 Jun
Convertion of the ground floor into two 1 bedroom flats, alterations to raise rear building and fenestration
Awaiting decision Full applications New dwelling Windows or glazing -
1 Devonshire Avenue Southsea
Application for Certificate of Lawful Development for existing use as 2 no 1 bedroom self contained flats
Granted Lawful development New dwelling 4 docs -
164 St Augustine Road Southsea PO4 9AE
92% historically approved · decision due ~9 Jun
Application for Certificate of Lawful Development for existing use as house in multiple occupation (Class C4)
Awaiting decision Lawful development -
160 Bath Road Southsea PO4 0HU
Retrospective application for construction of single storey rear extension (following removal of existing)
Granted Householder Extension 9 docsSmall domestic -
101 Bath Road Southsea PO4 0HX
92% historically approved · decision due ~20 Mar
Application for Certificate of Lawful Development for existing use as house in multiple occupation (Class C4)
Awaiting decision Lawful development 4 docs -
112 Haslemere Road Southsea PO4 9AR
88% historically approved · decision due ~11 Nov
Outline application for proposed conversion of the existing SBS Kitchen commercial unit to 3no. dwellings and construction of 1no. dwelling next to 45 Mafeking Road (all matters to be reserved)
Awaiting decision Outline 10 docsSeveral homes
Other full applications
In Portsmouth
-
26/00172/FUL Granted
Magma House Trafalgar Wharf Hamilton Road Portsmouth PO6 4PX
Alterations to boundary treatment to square off fence to West elevation
-
26/00141/FUL Granted
9 Helena Road Southsea
Conversion from 3no. self-contained flats (Class C3) to single dwellinghouse (Class C3) including construction of single storey rear and side extension, relocation of garage and associated alterations
-
25/01477/FUL Granted
7B Victoria Grove Southsea PO5 1NE
Installation of replacement windows
-
25/01359/FUL Granted
14 Burlington Road Portsmouth PO2 0DP
Change of use from dwellinghouse (Class C3) to 7-bed/7-person House in Multiple Occupation (Sui Generis)
-
26/00185/FUL Granted
2 Spur Road Portsmouth PO6 3EB
Change of use from office (Class E) to dwellinghouse (Class C3)