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Planning application

46 Carmarthen Avenue Portsmouth PO6 2AQ

Awaiting decision Portsmouth 26/00497/HOU Householder Planning Application

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Construction of two storey rear extension (following removal of existing) and enlargement of front porch

As published by the council, reference 26/00497/HOU

Application record

Reference
26/00497/HOU
Type
Householder Planning Application
Status
Awaiting decision
Received
17 Apr 2026
Validated
20 Apr 2026
Ward
Drayton & Farlington
Decision by
Delegated
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.

  • 26/00485/CPL Granted

    46 Carmarthen Avenue Portsmouth PO6 2AQ

    Application for Certificate of Lawful Development for the proposed single storey outbuilding

    Decided 23 Apr 2026 Lawful development

Timeline

Dates from the published record

  1. 17 Apr 2026

    Received by Portsmouth

  2. 20 Apr 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 15 June 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Portsmouth took a median of 56 days over the applications it decided in the last year.

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 record

Documents

Plans, drawings, consultee responses and the officer's report

8 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 documents

What happens while it is decided

This application is with Portsmouth for determination, against a statutory target of eight weeks. Over the last year Portsmouth decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

About householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 46 Carmarthen Avenue Portsmouth PO6 2AQ

    26/00485/CPL Submitted 15 Apr 2026 0m away

    Application for Certificate of Lawful Development for the proposed single storey outbuilding

    Granted Lawful development 9 docs
    Small domestic

  • 41 Brecon Avenue Portsmouth PO6 2AN

    25/01046/HOU Submitted 5 Sep 2025 69m away

    Construction of single storey rear extension

    Granted Householder Extension 4 docs
    Small domestic

  • 32 Brecon Avenue Portsmouth PO6 2AW

    25/01170/TPO Submitted 9 Oct 2025 111m away

    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

    26/00164/TPO Submitted 11 Feb 2026 141m away

    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

    25/01456/HOU Submitted 12 Dec 2025 142m away

    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 docs
    Domestic

  • 72 East Cosham Road Portsmouth PO6 2BY

    25/01346/HOU Submitted 18 Nov 2025 152m away

    Construction of single storey rear extension, front extension, roof alterations and front and rear dormers

    Granted Householder Extension Loft or dormer +1 6 docs
    Small domestic

In Portsmouth

  • 25/01493/HOU Granted

    77 Victoria Road South Southsea PO5 2BU

    Construction of single storey rear and side extension with terrace at first floor (following removal of existing extension and garage), alterations to fenestration and installation of heat pump

    19 Dec 2025 Householder
  • 26/00095/HOU Refused

    96 Portsdown Road Portsmouth PO6 4QH

    Alterations to roof to include hip to gable buildup and construction of dormer windows to front and rear roofslopes

    29 Jan 2026 Householder
  • 25/01455/HOU Granted

    77 Station Road Portsmouth PO6 1PJ

    Alterations to roof to include hip to gable buildup, and dormer window to rear roofslopes

    11 Dec 2025 Householder
  • 26/00115/HOU Granted

    1 Court Mead Portsmouth PO6 2LT

    Construction of rear and side single storey extension

    2 Feb 2026 Householder
  • 26/00450/HOU Awaiting decision

    74 Northern Parade Portsmouth PO2 9LN

    Construction of garage extension and installation of sliding gate

    13 Apr 2026 Householder