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Planning application

12 Chesterfield Street London W1J 5JN

Granted Westminster 25/06419/ADLBC Approval of Details (ADLBC)

Works: Demolition

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

Proposal

Drawings and details pursuant to condition 3 (extent of demolition and associated works to main roof level), 5 (details related to installation of internal insulation), 7 (works to internal timber joinery and plasterwork), 9 (details of internal staircase balustrading) & 10 (internal pipework in association with air conditioning equipment) of listed building consent dated 21st October 2024 (RN:24/04555/LBC)

As published by the council, reference 25/06419/ADLBC

Application record

Reference
25/06419/ADLBC
Type
Approval of Details (ADLBC)
Status
Decided
Decision
Granted As published: Application Permitted
Received
1 Sep 2025
Validated
9 Sep 2025
Decided
6 Oct 2025
Ward
West End
Decision by
Delegated Decision
Postcode
W1J 5JN

Site history

Applications at this address on the Westminster register

This site has had 4 applications since 2025: 2 approved, 0 refused.

  • 26/02811/FULL Awaiting decision

    12 Chesterfield Street London W1J 5JN

    Rectification of unauthorised stripout works; exterior works including replacement of tiling, addition of cast iron pipework, installation of pergola to garden, alterations to approved design of first floor rear terrace; alteration to basement floorplan layout; and installation of floor insulation. [Linked to 26/02812/LBC]

    Submitted 28 Apr 2026 Full applications
  • 26/02812/LBC Awaiting decision

    12 Chesterfield Street London W1J 5JN

    Rectification of unauthorised stripout works; exterior works including replacement of tiling, addition of cast iron pipework, installation of pergola to garden, alterations to approved design of first floor rear terrace; alteration to basement floorplan layout; and installation of floor insulation. [Linked to 26/02811/FULL]

    Submitted 28 Apr 2026 Heritage and listed buildings
  • 25/06201/ADFULL Granted

    12 Chesterfield Street London W1J 5JN

    Drawings and details pursuant to condition 8 (extent of demolition and associated works to main roof level) of planning permission dated 21st October 2024 (RN: 24/04554/FULL)

    Decided 6 Oct 2025 Full applications

Timeline

Dates from the published record

  1. 1 Sep 2025

    Received by Westminster

  2. 9 Sep 2025

    Validated

    Checked as complete and ready for consideration.

  3. 6 Oct 2025

    Decision issued: Application Permitted

  4. 21 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

MacAusland Design Ltd Agent, a design practice registered in London

Active · incorporated 2014 · London

6 applications on PlanIndex · across 2 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

41 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.

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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 condition discharge and variation applications

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 12 Chesterfield Street London W1J 5JN

    26/02811/FULL Submitted 28 Apr 2026 2m away

    87% historically approved · decision due ~23 Jun

    Rectification of unauthorised stripout works; exterior works including replacement of tiling, addition of cast iron pipework, installation of pergola to garden, alterations to approved design of first floor rear terrace; alteration to basement floorplan layout; and installation of floor insulation. [Linked to 26/02812/LBC]

    Awaiting decision Full applications 1 doc

  • 12 Chesterfield Street London W1J 5JN

    26/02812/LBC Submitted 28 Apr 2026 2m away

    90% historically approved · decision due ~23 Jun

    Rectification of unauthorised stripout works; exterior works including replacement of tiling, addition of cast iron pipework, installation of pergola to garden, alterations to approved design of first floor rear terrace; alteration to basement floorplan layout; and installation of floor insulation. [Linked to 26/02811/FULL]

    Awaiting decision Heritage and listed buildings 64 docs

  • 12 Chesterfield Street London W1J 5JN

    25/06201/ADFULL Submitted 1 Sep 2025 6m away

    Drawings and details pursuant to condition 8 (extent of demolition and associated works to main roof level) of planning permission dated 21st October 2024 (RN: 24/04554/FULL)

    Granted Full applications Demolition 41 docs

  • 11 Chesterfield Street London W1J 5JN

    26/02482/LBC Submitted 15 Apr 2026 6m away

    90% historically approved · decision due ~10 Jun

    Removal and replacement of existing stair case from Lower Ground floor to Fifth Floor.

    Awaiting decision Heritage and listed buildings 4 docs

  • 15 Chesterfield Street London W1J 5JN

    25/05529/ADV Submitted 7 Aug 2025 6m away

    Display of non-illuminated projecting sign measuring 0.92m x 0.43m. (Linked with 25/05522/LBC)

    Decided Advertising 13 docs

  • 15 Chesterfield Street London W1J 5JN

    25/05522/LBC Submitted 6 Aug 2025 6m away

    Installation of a projecting sign on Curzon Street elevation. (Linked with 25/05529/ADV)

    Refused Heritage and listed buildings 18 docs

In Westminster

  • 26/04860/ADLBC Granted

    New Zealand House 80 Haymarket London SW1Y 4TE

    Details of external and internal signage strategy pursuant to Condition 7(E) of listed building consent dated 12th February 2021 (RN: 19/07816/LBC)

    Received 20 Jul, published by the council 1 Aug 2026 Conditions
  • 26/04843/ADLBC Granted

    New Zealand House 80 Haymarket London SW1Y 4TE

    Detailed design and specification of new blinds to NZH based on mock-up trials on-site pursuant to Condition 6(m) of listed building consent dated 12th February 2021 (19/07816/LBC).

    Received 20 Jul, published by the council 1 Aug 2026 Conditions
  • 26/05026/ADLBC Awaiting decision

    St James's Park The Mall London SW1A 1AA

    Details of method statement for re-carving works pursuant to condition 3(i) of listed building consent dated 16 July 2026 (RN: 26/03399/LBC)

    Received 27 Jul, published by the council 4 Aug 2026 Conditions
  • 26/04850/ADLBC Awaiting decision

    17 Belgrave Square London SW1X 8PG

    Detailed drawings of garage doors, roof lantern and any new lighting and flooring in the principal rooms pursuant to condition 6 (iii) (iv) (v) of listed building 18th August 2025 (RN:25/03417/LBC)

    Received 20 Jul, published by the council 1 Aug 2026 Conditions
  • 25/07120/ADLBC Granted

    72 - 74 Lancaster Gate London W2 3NH

    Details of new and altered doors and door architraves, including external faces of lifts (detailed elevations and sections at 1:10) pursuant to Condition 3 (A) of Listed Building Consent dated 14 December 2023 (RN: 23/00772/LBC) (Linked app: 25/07088/ADFULL)

    Received 2 Oct, published by the council 21 Jul 2026 Conditions