19 Third Avenue Worthing West Sussex BN14 9NZ

1. 26 Sep 2025

   Received by Worthing

2. 14 Nov 2025

   Decision issued: Application Permitted

3. 12 Aug 2026

   Added to PlanIndex

Worthing granted permission on 14 November 2025, 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.

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.

• 19 Third Avenue Worthing West Sussex BN14 9NZ

  AWDM/1221/25 Submitted 26 Sep 2025 50 yards away

  Application for a Lawful Development Certificate for single storey rear extension

  Granted Lawful development Extension 8 docs
  Small domestic

• 21 Third Avenue Worthing West Sussex BN14 9NZ

  AWDM/0581/21 Submitted 30 Mar 2021 50 yards away

  Retrospective application to vary condition 4 (no openings to north) of previously approved AWDM/0182/18. Amendment: New door in north elevation.

  Granted Amendments 11 docs

• 21 Third Avenue Worthing West Sussex BN14 9NZ

  AWDM/0581/21 Submitted 30 Mar 2021 50 yards away

  Retrospective application to vary condition 4 (no openings to north) of previously approved AWDM/0182/18. Amendment: New door in north elevation.

  Granted Amendments 11 docs

• 23 Third Avenue Worthing West Sussex BN14 9NZ

  AWDM/1372/24 Submitted 28 Oct 2024 50 yards away

  Removal of existing conservatory and erection of a single storey rear extension; removal of existing main roof and construction of new roof with raised ridge and front, side and rear dormer windows.

  Refused Householder Extension Loft or dormer +2 11 docs
  Small domestic

• 23 Third Avenue Worthing West Sussex BN14 9NZ

  AWDM/1215/26 Submitted 15 Oct 2026 50 yards away

  87% historically approved · decision due ~10 Dec

  Non-material amendment to approved application AWDM/0396/25 to re-position ground floor rear doors and add window; reposition rooflights; and remove one side window on rear dormer.

  Awaiting decision Loft or dormer Windows or glazing

• 11 Third Avenue Worthing West Sussex BN14 9NZ

  AWDM/1189/25 Submitted 18 Sep 2025 50 yards away

  Single storey rear and side extensions, first floor rear extension with hipped roof; loft conversion including raised ridge height, raised eaves to side, rear dormer and front and rear rooflights.

  Granted Householder Extension Loft or dormer +1 8 docs
  Small domestic

• AWDM/1040/26 Awaiting decision

  Worthing Hospital Lyndhurst Road Worthing West Sussex BN11 2DH

  Application for Certificate of Lawfulness for Proposed demolition of existing rooftop plant rooms and construction of new roof top plant rooms

  Received 3 Sep, published by the council 4 Sep 2026 Lawful development
• AWDM/0367/26 Granted

  28 Brook Close Worthing West Sussex BN11 2QW

  Application for Certificate of Lawfulness for proposed rear dormer

  Received 23 Mar, published by the council 31 Jul 2026 Lawful development
• AWDM/0944/26 Awaiting decision

  Storage Land Southdownview Road Worthing West Sussex

  Application for a Certificate of Lawfulness for confirmation that the planning permission AWDM0056/22 lawfully commenced within three years of the date of the decision

  Received 12 Aug, published by the council 14 Aug 2026 Lawful development
• AWDM/0941/26 Awaiting decision

  34 Hillview Road Worthing West Sussex BN14 0BX

  Application for Certificate of Lawfulness for Proposed conversion of loft space to create 2no. side dormers and front rooflight

  Received 11 Aug, published by the council 14 Aug 2026 Lawful development
• AWDM/0575/26 Awaiting decision

  Chatsworth Hotel 13 - 23 The Steyne Worthing West Sussex BN11 3DU

  Certificate of Lawfulness at 13-15 The Steyne for existing use as staff accommodation.

  Received 12 May, published by the council 31 Jul 2026 Lawful development