Planning application
46 Carmarthen Avenue Portsmouth PO6 2AQ
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Application for Certificate of Lawful Development for the proposed single storey outbuilding
As published by the council, reference 26/00485/CPL
Application record
- Reference
- 26/00485/CPL
- Type
- Certificate of Proposed Lawful Use/Dev
- Status
- Awaiting decision
- Decision
- Grant CLUD
- Received
- 15 Apr 2026
- Validated
- 16 Apr 2026
- Decided
- 23 Apr 2026
- Ward
- Drayton & Farlington
- Decision by
- Fully Delegated Decision
- Postcode
- PO6 2AQ
Site history
Applications at this address on the Portsmouth register
This site has had 2 applications since 2026: 1 approved, 0 refused.
-
26/00497/HOU Awaiting decision
46 Carmarthen Avenue Portsmouth PO6 2AQ
Construction of two storey rear extension (following removal of existing) and enlargement of front porch
Timeline
Dates from the published record
-
15 Apr 2026
Received by Portsmouth
-
16 Apr 2026
Validated
Checked as complete and ready for consideration.
-
23 Apr 2026
Decision issued: Grant CLUD
-
25 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Thorns Young Ltd Agent, registered in Hampshire
Active · incorporated 2001 · Hampshire
138 applications on PlanIndex · across 6 councils · 90% 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
9 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 grant of permission means
Portsmouth granted permission on 23 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
46 Carmarthen Avenue Portsmouth PO6 2AQ
87% historically approved · decision due ~15 Jun
Construction of two storey rear extension (following removal of existing) and enlargement of front porch
Awaiting decision Householder Extension 8 docsSmall domestic -
41 Brecon Avenue Portsmouth PO6 2AN
Construction of single storey rear extension
Granted Householder Extension 4 docsSmall domestic -
32 Brecon Avenue Portsmouth PO6 2AW
Within Tree Preservation Order 218, (T23) Purple leaved plum (Prunus cerasifera 'Pissardii') prune laterally by 1.5m, height reduced by 2m and remove deadwood and bottom ground shoots
Granted Trees 2 docs -
3 Brecon Avenue Portsmouth PO6 2AN
Within Tree Preservation Order 218, (T18) Copper Beech (Fagus sylvatica Purpurea) to be fell to ground level and stump grind
Granted Trees 2 docs -
22 Carmarthen Avenue Portsmouth PO6 2AQ
87% historically approved · decision due ~2 Mar
Alterations to roof to include hip to gable buildup, construction of dormer windows to rear roofslopes and balcony
Awaiting decision Householder Loft or dormer Windows or glazing 5 docsDomestic -
72 East Cosham Road Portsmouth PO6 2BY
Construction of single storey rear extension, front extension, roof alterations and front and rear dormers
Granted Householder Extension Loft or dormer +1 6 docsSmall domestic
Other lawful development applications
In Portsmouth
-
26/00209/CPL Granted
12 Second Avenue Portsmouth PO6 1JS
Application for Certificate of Lawful Development for the proposed construction of outbuilding
-
26/00482/CPE Awaiting decision
24 Guildford Road Portsmouth PO1 5HX
Application for Certificate of Lawful Development for existing use as house in multiple occupation (Class C4)
-
26/00484/CPE Awaiting decision
8 Outram Road Southsea
Application for Certificate of Lawful Development for existing use as four residential apartments
-
26/00161/CPE Granted
141 Guildford Road Portsmouth PO1 5BE
Application for lawful development for existing use as a House in Multiple Occupation (Class C4)
-
26/00156/CPE Granted
132 Walmer Road Portsmouth PO1 5AU
Application for lawful development for existing use as a House in Multiple Occupation (Class C4)