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Planning application

30 Sackville Street London W1S 3DY

Awaiting decision Westminster 26/02282/ADFULL Approval of Details (Full PP)

Works: Extension

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

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).

As published by the council, reference 26/02282/ADFULL

Application record

Reference
26/02282/ADFULL
Type
Approval of Details (Full PP)
Status
Pending
Received
7 Apr 2026
Validated
7 Apr 2026
Ward
West End
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
  • 26/02285/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
  • 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. 7 Apr 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 2 June 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.

Who's behind it

Company information only, from the register and Companies House

AD Design Concepts Ltd Agent, a design practice

13 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

4 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 happens while it is decided

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 119 days. More in our guide to how long planning decisions take.

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

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

    89% 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

    89% 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

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

    88% 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

  • 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

    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

In Westminster

  • 26/07528/FULL Awaiting decision

    69 Eaton Place London SW1X 8DF

    Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

    Received 5 Nov, published by the council 6 Nov 2026 Full applications
  • 26/05200/FULL Decided

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    Installation of waterproofing system to the existing lead flat roofs

    Received 3 Aug, published by the council 28 Aug 2026 Full applications
  • 26/07521/FULL Awaiting decision

    Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

    Installation of one external condenser unit

    Received 4 Nov, published by the council 6 Nov 2026 Full applications
  • 26/07508/FULL Awaiting decision

    Buckingham Palace The Mall London SW1A 1AA

    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

    Received 4 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07472/FULL Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

    Received 3 Nov, published by the council 6 Nov 2026 Full applications