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Planning application

30 Sackville Street London W1S 3DY

Granted Westminster 25/05589/FULL Full Planning Permission Application

Relates to 25/05590/LBC

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 25/05590/LBC)

As published by the council, reference 25/05589/FULL

Application record

Reference
25/05589/FULL
Type
Full Planning Permission 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
  • 25/05590/LBC 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 25/05589/FULL)

    Decided 6 Oct 2025 Heritage and listed buildings

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

  • 25/05590/LBC 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 25/05589/FULL)

    Decided 6 Oct 2025 Heritage and listed buildings

1 later application on the register refers to this one:

  • 25/05590/LBC 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 25/05589/FULL)

    Decided 6 Oct 2025 Heritage and listed buildings

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

31 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 full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 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

    25/05590/LBC 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 25/05589/FULL)

    Granted Heritage and listed buildings 24 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

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront with Medication Dispensing Outlet.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06294/FULL Awaiting decision

    15 Eaton Mews South London SW1W 9HP

    Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06317/FULL 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 26/06318/LBC)

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06273/FULL Awaiting decision

    9A Grosvenor Square London W1K 5AE

    Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

    Received 14 Sep, published by the council 22 Sep 2026 Full applications