49 - 51 Leinster Square London W2 4PU

This site has had 2 applications since 2026.

• 26/06219/FULL Awaiting decision

  49 - 51 Leinster Square London W2 4PU

  Alterations to rear basement area across all 3 buildings, including removal of existing rooflights and creation of 3 lightwells, basement elevation alterations and landscaping changes. Internal works (Linked to 26/06220/LBC)

  Submitted 10 Sep 2026 Full applications

1. 10 Sep 2026

   Received by Westminster

2. 21 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 5 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Westminster took a median of 66 days over the applications it decided in the last year.

• 26/06219/FULL Awaiting decision

  49 - 51 Leinster Square London W2 4PU

  Alterations to rear basement area across all 3 buildings, including removal of existing rooflights and creation of 3 lightwells, basement elevation alterations and landscaping changes. Internal works (Linked to 26/06220/LBC)

  Submitted 10 Sep 2026 Full applications

1 later application on the register refers to this one:

• 26/06219/FULL Awaiting decision

  49 - 51 Leinster Square London W2 4PU

  Alterations to rear basement area across all 3 buildings, including removal of existing rooflights and creation of 3 lightwells, basement elevation alterations and landscaping changes. Internal works (Linked to 26/06220/LBC)

  Submitted 10 Sep 2026 Full applications

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided heritage and listed building applications in a median of 94 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.

• Fourth Floor Flat 44 Leinster Square London W2 4PU

  26/04426/FULL Submitted 3 Jul 2026 50 yards away

  87% historically approved · decision due ~3 Sep

  Installation of railings and retention of timber decking in association with use of roof terrace (part retrospective) [Linked to 26/04427/LBC]

  Decided Full applications 25 docs

• Fourth Floor Flat 44 Leinster Square London W2 4PU

  26/04427/LBC Submitted 3 Jul 2026 50 yards away

  90% historically approved · decision due ~3 Sep

  Installation of railings and retention of timber decking in association with use of roof terrace (part retrospective) [Linked to 26/04426/FULL]

  Decided Heritage and listed buildings 25 docs

• 49 - 51 Leinster Square London W2 4PU

  26/06219/FULL Submitted 10 Sep 2026 50 yards away

  87% historically approved · decision due ~5 Nov

  Alterations to rear basement area across all 3 buildings, including removal of existing rooflights and creation of 3 lightwells, basement elevation alterations and landscaping changes. Internal works (Linked to 26/06220/LBC)

  Awaiting decision Full applications Loft or dormer

• Flat 7 42 Leinster Square London W2 4PU

  26/03450/LBC Submitted 26 May 2026 50 yards away

  90% historically approved · decision due ~26 Jul

  Retrospective application for alterations to top floor flat including removal of ceiling in reception room and bedroom; installation of mezzanine to bedroom; creation of escape dormer in roof space; insertion of rooflights and associated works.

  Awaiting decision Heritage and listed buildings Loft or dormer 29 docs

• Flat 4 52 - 53 Leinster Square London W2 4PU

  25/08114/LBC Submitted 6 Nov 2025 50 yards away

  90% historically approved · decision due ~1 Jan

  Internal alterations to reconfigure the layout of the second floor flat including the addition of 1no. bedroom and relocation of the kitchen including upgrades to existing lighting and small power.

  Awaiting decision Heritage and listed buildings 15 docs

• 63 Prince's Square London W2 4PX

  25/07611/CLEUD Submitted 21 Oct 2025 50 yards away

  Use of 63 Princes Square as a hostel providing visitor accommodation (tourist accommodation).

  Granted Lawful development 18 docs

• 26/04878/LBC Decided

  34 Grosvenor Street London W1K 4QU

  Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

  Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
• 26/04141/LBC Decided

  80E Randolph Avenue London W9 1BG

  Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

  Received 23 Jun, published by the council 21 Jul 2026 Heritage and listed buildings
• 26/06288/LBC Awaiting decision

  Barness Court 6 - 8 Westbourne Terrace London W2 3UW

  Installation of a new riser as per GW10 design comprising a single riser with 7 entries and 9 Taylor valves to be installed. (Linked with 26/06287/FULL)

  Received 14 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
• 26/06270/LBC Awaiting decision

  Maisonette Basement And Ground Floor 101 Hereford Road London W2 5BB

  Amalgamation of existing lower ground and ground floor maisonette with the first floor flat to create a single dwelling and associated internal works including creation of a staircase. (Linked with 26/06269/FULL)

  Received 14 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
• 26/06230/LBC Awaiting decision

  10 Bedford Street London WC2E 9HE

  Internal redecoration/refurbishment to the existing Caffe Nero including redecorating throughout, replacing the tiled floor in the customer area, raising the timber floor by 180mm on the left-hand side upon entry to bring interest to the area, for the existing large, boxed window cils on right-hand side upon entry; the one on the far right will be removed to give way for more seating, with the other being adapted to allow for leg space below, and two bespoke decorative chandeliers to be hung in the customer area which will be installed with structural engineer approval.

  Received 11 Sep, published by the council 21 Sep 2026 Heritage and listed buildings