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Planning application

30 Sackville Street London W1S 3DY

Granted Westminster 25/05590/LBC Listed Building Consent Application

Relates to 25/05589/FULL

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

Proposal

Removal of existing third floor plant enclosure and five air conditioning units on the roof and installation of one air conditioning unit on the roof and 'green screen' to the existing terrace at third floor level. (Linked to 25/05589/FULL)

As published by the council, reference 25/05590/LBC

Application record

Reference
25/05590/LBC
Type
Listed Building Consent Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
11 Aug 2025
Validated
11 Aug 2025
Decided
6 Oct 2025
Ward
West End
Decision by
Delegated Decision
Postcode
W1S 3DY

Site history

Applications at this address on the Westminster register

This site has had 7 applications since 2025: 3 approved, 0 refused.

  • 26/02571/ADLBC Awaiting decision

    30 Sackville Street London W1S 3DY

    Details of a plan marked up with removals in red and cross-referenced to a photographic survey showing any existing doors and architraves you wish to remove at ground and first floor levels, and plan/elevation/section/example photograph (as appropriate) of any new architraves and doors to be installed at ground and first floor levels pursuant to condition 5 of listed building consent dated 28th May 2025 (RN:25/01073).

    Submitted 20 Apr 2026 Conditions
  • 26/02282/ADFULL Awaiting decision

    30 Sackville Street London W1S 3DY

    Details of landscaping plan including detailed drawings and a biodiversity management plan in relation to the green roof above the new rear ground floor extension pursuant to condition 20 of planning permission dated 17th February 2025 (RN: 25/01072/FULL).

    Submitted 7 Apr 2026 Full applications
  • 26/02285/ADFULL Awaiting decision

    30 Sackville Street London W1S 3DY

    Detailed drawings and a bio-diversity management plan in relation to the green screen pursuant to condition 7 of planning permission dated 6th October 2025 (RN: 25/05589/FULL).

    Submitted 7 Apr 2026 Full applications
  • 26/01287/ADLBC Awaiting decision

    30 Sackville Street London W1S 3DY

    Details of internal staircase pursuant to Condition 3 of listed building consent dated 17 February 2025 (RN: 25/01073/LBC)

    Submitted 2 Mar 2026 Conditions
  • 25/06078/LBC Granted

    30 Sackville Street London W1S 3DY

    Demolition of the roof and its reconstruction to the same external profile and finished appearance, with retained historic timbers and new structural timbers.

    Decided 5 Nov 2025 Heritage and listed buildings
  • 25/05589/FULL Granted

    30 Sackville Street London W1S 3DY

    Removal of existing third floor plant enclosure and five air conditioning units on the roof and installation of one air conditioning unit on the roof and 'green screen' to the existing terrace at third floor level. (Linked to 25/05590/LBC)

    Decided 6 Oct 2025 Full applications

Timeline

Dates from the published record

  1. 11 Aug 2025

    Received by Westminster

  2. 6 Oct 2025

    Decision issued: Application Permitted

  3. 21 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 25/05589/FULL Granted

    30 Sackville Street London W1S 3DY

    Removal of existing third floor plant enclosure and five air conditioning units on the roof and installation of one air conditioning unit on the roof and 'green screen' to the existing terrace at third floor level. (Linked to 25/05590/LBC)

    Decided 6 Oct 2025 Full applications

1 later application on the register refers to this one:

  • 25/05589/FULL Granted

    30 Sackville Street London W1S 3DY

    Removal of existing third floor plant enclosure and five air conditioning units on the roof and installation of one air conditioning unit on the roof and 'green screen' to the existing terrace at third floor level. (Linked to 25/05590/LBC)

    Decided 6 Oct 2025 Full applications

Who's behind it

Company information only, from the register and Companies House

AD Design Concepts Ltd Agent, a design practice

12 applications on PlanIndex · across 4 councils

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

24 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Westminster granted permission on 6 October 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.

About heritage and listed building applications

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.

Nearby applications

Within 0.3 miles

  • 30 Sackville Street London W1S 3DY

    25/05589/FULL Submitted 11 Aug 2025 50 yards away

    Removal of existing third floor plant enclosure and five air conditioning units on the roof and installation of one air conditioning unit on the roof and 'green screen' to the existing terrace at third floor level. (Linked to 25/05590/LBC)

    Granted Full applications 31 docs

  • 30 Sackville Street London W1S 3DY

    25/06078/LBC Submitted 26 Aug 2025 50 yards away

    Demolition of the roof and its reconstruction to the same external profile and finished appearance, with retained historic timbers and new structural timbers.

    Granted Heritage and listed buildings Demolition 29 docs

  • 30 Sackville Street London W1S 3DY

    26/01287/ADLBC Submitted 2 Mar 2026 50 yards away

    90% historically approved · decision due ~27 Apr

    Details of internal staircase pursuant to Condition 3 of listed building consent dated 17 February 2025 (RN: 25/01073/LBC)

    Awaiting decision Conditions 3 docs

  • 30 Sackville Street London W1S 3DY

    26/02571/ADLBC Submitted 20 Apr 2026 50 yards away

    90% historically approved · decision due ~15 Jun

    Details of a plan marked up with removals in red and cross-referenced to a photographic survey showing any existing doors and architraves you wish to remove at ground and first floor levels, and plan/elevation/section/example photograph (as appropriate) of any new architraves and doors to be installed at ground and first floor levels pursuant to condition 5 of listed building consent dated 28th May 2025 (RN:25/01073).

    Awaiting decision Conditions 9 docs

  • 30 Sackville Street London W1S 3DY

    26/02282/ADFULL Submitted 7 Apr 2026 50 yards away

    87% historically approved · decision due ~2 Jun

    Details of landscaping plan including detailed drawings and a biodiversity management plan in relation to the green roof above the new rear ground floor extension pursuant to condition 20 of planning permission dated 17th February 2025 (RN: 25/01072/FULL).

    Awaiting decision Full applications Extension 4 docs

  • 30 Sackville Street London W1S 3DY

    26/02285/ADFULL Submitted 7 Apr 2026 50 yards away

    87% historically approved · decision due ~2 Jun

    Detailed drawings and a bio-diversity management plan in relation to the green screen pursuant to condition 7 of planning permission dated 6th October 2025 (RN: 25/05589/FULL).

    Awaiting decision Full applications 4 docs

In Westminster

  • 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
  • 26/06299/LBC Awaiting decision

    Apartment 33 24 Park Crescent London W1B 1AA

    Alterations to internal partitions, door openings, doors and floor finishes.

    Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
  • 26/06305/LBC Awaiting decision

    33A Dean Street London W1D 4PP

    Installation of new concrete slab with drainage channels at basement level and new fire surround in B.01.

    Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
  • 26/06318/LBC Awaiting decision

    124 Hamilton Terrace London NW8 9UT

    Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06317/FULL)

    Received 15 Sep, published by the council 22 Sep 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