Portland Mansions 134 - 136 Marine Parade Brighton BN2 1DF

1. 2 Oct 2025

   Received by Brighton and Hove

2. 5 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 31 December 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Brighton and Hove took a median of 63 days over the applications it decided in the last year.

This application is with Brighton and Hove for determination, against a statutory target of eight weeks. Over the last year Brighton and Hove decided heritage and listed building applications in a median of 83 days. More in our guide to how long planning decisions take.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• Flat 2 132 Marine Parade Brighton BN2 1DE

  BH2025/02875 Submitted 25 Nov 2025 45m away

  92% historically approved · decision due ~29 Jan

  Internal alterations to relocate bathroom.

  Awaiting decision Heritage and listed buildings 5 docs

• Flat 6 17 Portland Place Brighton BN2 1DH

  BH2025/02416 Submitted 30 Sep 2025 71m away

  92% historically approved · decision due ~25 Nov

  Replacement of 3no timber single glazed french windows with 3no timber double vacuum glazed french windows to front first floor elevation.

  Awaiting decision Heritage and listed buildings Windows or glazing 10 docs

• SEYMOUR HOUSE, Seymour Square, Brighton, BN2 1DU

  BH2014/00466 Submitted 13 Feb 2014 83m away

  Installation of railings above existing front boundary walls.

  Granted Full applications 11 docs

• SEYMOUR HOUSE, Seymour Square, Brighton, BN2 1DU

  BH2012/01882 Submitted 21 Jun 2012 83m away

  Insertion of new window on south east side to ground floor flat.

  Granted Householder Windows or glazing 10 docs
  Domestic

• First Second And Third Floors 6 Marine Square Brighton BN2 1DL

  BH2025/02956 Submitted 4 Dec 2025 139m away

  92% historically approved · decision due ~9 Feb

  Internal alterations to facilitate conversion from a small house in multiple occupation (C4) to a single flat (C3).

  Awaiting decision Heritage and listed buildings 8 docs

• First Second And Third Floors 6 Marine Square Brighton BN2 1DL

  BH2025/02957 Submitted 4 Dec 2025 139m away

  94% historically approved · decision due ~9 Feb

  Certificate of lawfulness for existing use of first second and third floors as self-contained flat (Class C3).

  Awaiting decision Lawful development 6 docs

• BH2025/03047 Granted

  35 Montpelier Crescent Brighton BN1 3JL

  Replacement of external fire escape stairs to rear and replacement rear window to match existing.

  16 Dec 2025 Heritage and listed buildings
• BH2026/00327 Awaiting decision

  Flat 5 12 New Steine Brighton BN2 1PB

  Internal alterations to relocate kitchen.

  12 Feb 2026 Heritage and listed buildings
• BH2026/00305 Awaiting decision

  13 St Georges Place Brighton BN1 4GB

  Replace existing single-glazed timber sash windows with double-glazed timber sash windows.

  10 Feb 2026 Heritage and listed buildings
• BH2026/00279 Awaiting decision

  10A Chesham Place Brighton BN2 1FB

  Retrospective listed building consent for removal of basement to ground floor staircase within flat. Relocation of bathroom, and enlargement of kitchen into old bathroom location.

  9 Feb 2026 Heritage and listed buildings
• BH2026/00294 Awaiting decision

  Flat 1 16 Lewes Crescent Brighton BN2 1GB

  Remove internal stud wall and relocate bathroom.

  9 Feb 2026 Heritage and listed buildings