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Planning application

42 Seamill Park Crescent Worthing West Sussex BN11 2PN

Granted Worthing AWDM/0409/23 Certificate Proposed Lawful Use/Dev

Works: Extension Demolition Small domestic

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

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Application for a Lawful Development Certificate for proposed demolition of existing extension and construction of new rear single storey extension

As published by the council, reference AWDM/0409/23

Application record

Reference
AWDM/0409/23
Type
Certificate Proposed Lawful Use/Dev
Status
Decided
Decision
Application Permitted
Received
16 Mar 2023
Validated
16 Mar 2023
Decided
18 Apr 2023
Ward
Selden
Decision by
Delegated Decision
Postcode
BN11 2PN

Timeline

Dates from the published record

  1. 16 Mar 2023

    Received by Worthing

  2. 18 Apr 2023

    Decision issued: Application Permitted

  3. 21 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, a design practice

43 applications on PlanIndex · across 2 councils · 89% granted

Trade members see who it is, their full track record, and every application they have filed.

See who's behind it

Documents

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

7 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.

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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 lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 42 Seamill Park Crescent Worthing West Sussex BN11 2PN

    AWDM/0409/23 Submitted 16 Mar 2023 0m away

    Application for a Lawful Development Certificate for proposed demolition of existing extension and construction of new rear single storey extension

    Granted Lawful development Extension Demolition 7 docs
    Small domestic
  • 34 Seamill Park Crescent Worthing West Sussex BN11 2PN

    AWDM/0218/26 Submitted 19 Feb 2026 65m away

    94% historically approved · decision due ~17 Apr

    Householder application for permitted development for prior approval for single storey extension to rear of property measuring 7m (in total including existing extension) from rear wall of the original dwelling, maximum height 3.36m and height of eaves of the extension 2.9m

    Decided Extension
    Small domestic
  • 34 Seamill Park Crescent Worthing West Sussex BN11 2PN

    AWDM/0218/26 Submitted 19 Feb 2026 65m away

    94% historically approved · decision due ~17 Apr

    Householder application for permitted development for prior approval for single storey extension to rear of property measuring 7m (in total including existing extension) from rear wall of the original dwelling, maximum height 3.36m and height of eaves of the extension 2.9m

    Decided Extension
    Small domestic
  • Flat 2 1 Seamill Park Crescent Worthing West Sussex BN11 2PN

    AWDM/0316/26 Submitted 12 Mar 2026 65m away

    94% historically approved · decision due ~7 May

    Demolition of existing side extension and replacement with new side extension to create accessible entrance

    Decided Extension Demolition
  • Flat 2 1 Seamill Park Crescent Worthing West Sussex BN11 2PN

    AWDM/0316/26 Submitted 12 Mar 2026 65m away

    94% historically approved · decision due ~7 May

    Demolition of existing side extension and replacement with new side extension to create accessible entrance

    Decided Extension Demolition
  • 106 Meadow Road Worthing West Sussex BN11 2SE

    AWDM/0735/26 Submitted 16 Jun 2026 166m away

    94% historically approved · decision due ~11 Aug

    Single storey rear extension

    Awaiting decision Extension
    Small domestic

In Worthing

  • AWDM/1513/25 Granted

    327 Brighton Road Worthing West Sussex BN11 2HP

    Application for Certificate of Lawfulness for single storey outbuilding

    3 Dec 2025 Lawful development
  • AWDM/1530/25 Granted

    Land At South West Corner Of Car Park Downlands Retail Park Lyons Way Worthing West Sussex

    Application for a Lawful Development Certificate for confirmation that planning permission AWDM/0333/22 has lawfully commenced.

    8 Dec 2025 Lawful development
  • AWDM/1342/25 Granted

    Celty 54A Henty Road Worthing West Sussex BN14 7HF

    Application for Certificate of Lawfulness for proposed brick enclosing front wall

    22 Oct 2025 Lawful development
  • AWDM/1527/25 Granted

    23 Oxen Avenue Shoreham-by-sea West Sussex BN43 5AF

    Application for Certificate of Lawfulness for proposed loft conversion including hip to gable roof extension, rear dormer with Juliet balcony, side window and front rooflights. Chimney removed.

    8 Dec 2025 Lawful development
  • AWDM/1280/25 Granted

    5 Westbrooke Worthing West Sussex BN11 1RE

    Application for Certificate of Lawfulness for Existing Use for self-containment of Unit 9 through the addition of a toilet in its en-suite shower room.

    8 Oct 2025 Lawful development