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Planning application

26/00071/FUL

17 Cornwall Crescent Southampton SO18 2AQ

Granted Southampton Full Application

Proposal

Erection of single storey outbuilding following removal of existing

As published by the council, reference 26/00071/FUL

Timeline

Dates from the published record

  1. 28 Jan 2026

    Received by Southampton

  2. 25 Mar 2026

    Decision issued: Approve with Conditions

  3. 25 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • 26/00776/NMA Awaiting decision

    17 Cornwall Crescent Southampton SO18 2AQ

    Non-material amendment sought to planning permission ref 26/00071/FUL for changes to external cladding and fenestration on approved outbuilding.

    2 Jul 2026 0m away Amendments
  • 25/01521/FUL Granted

    76 Woodmill Lane Southampton SO18 2PD

    Erection of a two-storey side/rear extension with first floor rear balcony and roof extension to facilitate loft conversion

    3 Dec 2025 147m away Full applications
  • 26/00468/FUL Granted

    33 Dell Road Southampton SO18 1QT

    Roof alterations including dormer window on side elevation to facilitate loft conversion, and erection of a front porch.

    22 Apr 2026 164m away Full applications
  • 22/01679/FUL Granted

    46 Dell Road Southampton SO18 1QS

    Erection of a single storey side and rear extension and roof extension including front and rear dormers to facilitate a loft conversion

    15 Dec 2022 194m away Full applications
  • 23/00207/NMA Granted

    116 Kingsdown Way Southampton SO18 2GR

    Non-material amendment sought to planning permission ref 20/00273/FUL for change from a pitched roof to a sloped roof to replacement porch.

    16 Feb 2023 218m away Amendments
  • 25/01577/FUL Granted

    43 Castle Road Southampton SO18 1QP

    Erection of a part 2-storey, part single storey side/rear extension, including balcony, with boundary wall following demolition of existing conservatory.

    16 Dec 2025 307m away Full applications

In Southampton

  • 26/00584/FUL Granted

    2 Russell Place Southampton SO17 1NU

    Replacement front fence and gates

    5 Jun 2026 Full applications
  • 26/00031/FUL Granted

    42 High Street Southampton SO14 2NS

    External alterations to ground floor, two-storey infill extension and rebuild first floor to create a ground floor commercial unit and 7 x one-bedroom flats with associated bin and cycle storage facilities

    23 Jan 2026 Full applications
  • 26/00837/FUL Awaiting decision

    7 Leaside Way Southampton SO16 3DN

    Replacement windows.

    24 Jul 2026 Full applications
  • 26/00822/FUL Awaiting decision

    44 St Mary Street Southampton SO14 1NR

    Erection of a first-floor rear extension and addition of a second floor to create 4x studio flats.

    24 Jul 2026 Full applications
  • 26/00642/FUL Granted

    6 Emerald Close Southampton SO19 7ND

    Erection of a single-storey rear extension and installation of decking.

    3 Jun 2026 Full applications