6 - 9 Carlton House Terrace London SW1Y 5AG

This site has had 2 applications since 2026.

• 26/05675/LBC Decided

  6 - 9 Carlton House Terrace London SW1Y 5AG

  Replacement of existing modern glazed double door in existing opening between Marble Hall in No. 6 and corridor in No. 7 at ground floor level with glazed fire double doors; and installation of fire rated secondary glazing to inside of fanlight above entrance door to Executive Directors flat at second floor level in No. 7.

  Submitted 19 Aug 2026 Heritage and listed buildings

1. 30 Oct 2026

   Received by Westminster

2. 4 Nov 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 25 December 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 91 days over the applications it decided in the last year.

• 26/05675/LBC Decided

  6 - 9 Carlton House Terrace London SW1Y 5AG

  Replacement of existing modern glazed double door in existing opening between Marble Hall in No. 6 and corridor in No. 7 at ground floor level with glazed fire double doors; and installation of fire rated secondary glazing to inside of fanlight above entrance door to Executive Directors flat at second floor level in No. 7.

  Submitted 19 Aug 2026 Heritage and listed buildings

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster's median decision took 91 days. More in our guide to how long planning decisions take.

The published feed does not state which type of application this is; the register entry on Westminster's portal will say. Our guide explains the common types.

• 6 - 9 Carlton House Terrace London SW1Y 5AG

  26/05675/LBC Submitted 19 Aug 2026 50 yards away

  90% historically approved · decision due ~14 Oct

  Replacement of existing modern glazed double door in existing opening between Marble Hall in No. 6 and corridor in No. 7 at ground floor level with glazed fire double doors; and installation of fire rated secondary glazing to inside of fanlight above entrance door to Executive Directors flat at second floor level in No. 7.

  Decided Heritage and listed buildings Windows or glazing

• 5 Carlton House Terrace London SW1Y 5AQ

  26/02381/LBC Submitted 10 Apr 2026 50 yards away

  90% historically approved · decision due ~5 Jun

  Refurbish the existing commercial kitchen, replacement of the existing modern kitchen equipment, over-clad the existing wall tiles and overlay the existing floor tiles, removal of a low level nib partition wall and introduce new floor gulleys connecting into existing drainage.

  Awaiting decision Heritage and listed buildings 15 docs

• 1 Carlton House Terrace London SW1Y 5AF

  26/06813/ADLBC Submitted 6 Oct 2026 50 yards away

  89% historically approved · decision due ~1 Dec

  Details of fixings for the lift mechanism pursuant to discharge of condition 4 of listed building consent dated 28th April 2021 (21/01154/LBC)

  Withdrawn

• 1 Carlton House Terrace London SW1Y 5AF

  26/06814/ADLBC Submitted 6 Oct 2026 50 yards away

  89% historically approved · decision due ~1 Dec

  Details of fixings for the lift mechanism pursuant to discharge of condition 5 (part i) of listed building consent dated 4th August 2026 (RN: 25/04929/LBC).

  Awaiting decision

• 1 Carlton House Terrace London SW1Y 5AF

  26/06575/ADLBC Submitted 24 Sep 2026 50 yards away

  89% historically approved · decision due ~1 Dec

  Details of the fixings into historic fabric at 1:10 or 1:5 for the proposed trellis and mirrors at the internal lightwell pursuant to discharge of condition 8 of listed building consent dated 12th March 2025 (RN: 25/00124/LBC).

  Withdrawn

• Waterloo Gardens West Of Waterloo Place Carlton House Terrace London

  25/07296/TCA Submitted 9 Oct 2025 50 yards away

  T414 - Platanus x hispanica: reduce back from building and balcony to give 2.5m clearance.

  Granted Trees 7 docs