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Planning application

Basement And Ground Floor 41 Eaton Square London SW1W 9DH

Awaiting decision Westminster 26/03119/ADLBC Approval of Details (ADLBC)

Works: Windows or glazing

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

Proposal

Details of drawings showing the following alteration to the scheme and detailed drawings (plans and elevations at 1:10 and sections at 1:5) of a revised rear elevation drawing showing the proposed fenestration pattern and method of opening for the sidelights at rear lower ground floor level and the proposed windows to be fitted into the lower ground floor rear sidelights pursuant to condition 3 of listed building dated 16th March 2026 (RN:25/08641/LBC)

As published by the council, reference 26/03119/ADLBC

Application record

Reference
26/03119/ADLBC
Type
Approval of Details (ADLBC)
Status
Pending
Received
12 May 2026
Validated
15 May 2026
Ward
Knightsbridge & Belgravia
Postcode
SW1W 9DH

Site history

Applications at this address on the Westminster register

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

  • 26/03116/ADFULL Awaiting decision

    Basement And Ground Floor 41 Eaton Square London SW1W 9DH

    Detailed of drawings showing the following alteration to the scheme and detailed drawings (plans and elevations at 1:10 and sections at 1:5) of a revised rear elevation drawing showing the proposed fenestration pattern and method of opening for the sidelights at rear lower ground floor level and the proposed windows to be fitted into the lower ground floor rear sidelights pursuant to condition 4 of planning permission dated 19th March 2026 (RN:25/08640/FULL)

    Submitted 12 May 2026 Full applications
  • 25/08640/FULL Granted

    Basement And Ground Floor 41 Eaton Square London SW1W 9DH

    Replacement sidelight windows to rear lower ground level doors.

    Decided 19 Mar 2026 Full applications
  • 25/08641/LBC Granted

    Basement And Ground Floor 41 Eaton Square London SW1W 9DH

    Replacement sidelight windows at rear lower ground level doors and internal alterations at ground and lower ground levels.

    Decided 16 Mar 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 12 May 2026

    Received by Westminster

  2. 15 May 2026

    Validated

    Checked as complete and ready for consideration.

  3. 21 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 10 July 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 65 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Atomik Architecture Agent, an architecture practice registered in Market Rasen

Active · incorporated 2004 · Market Rasen

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

11 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.

Trade members open them 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 condition discharge and variation applications in a median of 43 days. More in our guide to how long planning decisions take.

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

  • 41 - 43 Eaton Square London SW1W 9DH

    26/01850/LBC Submitted 20 Mar 2026 0m away

    90% historically approved · decision due ~15 May

    Replacement of front portico steps. (Linked to RN: 26/01849/FULL)

    Awaiting decision Heritage and listed buildings 5 docs

  • Flat B 39 Eaton Square London SW1W 9DH

    26/00512/FULL Submitted 28 Jan 2026 0m away

    87% historically approved · decision due ~25 Mar

    Replacement windows to the front elevation and replacement of the rear metal frames by timber frames with double glazing. (Linked to 25/08987/LBC)

    Awaiting decision Full applications Windows or glazing 17 docs

  • 41 - 43 Eaton Square London SW1W 9DH

    26/01849/FULL Submitted 20 Mar 2026 0m away

    87% historically approved · decision due ~15 May

    Replacement of front portico steps. (Linked to RN: 26/01850/LBC)

    Awaiting decision Full applications 11 docs

  • Basement And Ground Floor 41 Eaton Square London SW1W 9DH

    26/03116/ADFULL Submitted 12 May 2026 0m away

    87% historically approved · decision due ~14 Jul

    Detailed of drawings showing the following alteration to the scheme and detailed drawings (plans and elevations at 1:10 and sections at 1:5) of a revised rear elevation drawing showing the proposed fenestration pattern and method of opening for the sidelights at rear lower ground floor level and the proposed windows to be fitted into the lower ground floor rear sidelights pursuant to condition 4 of planning permission dated 19th March 2026 (RN:25/08640/FULL)

    Awaiting decision Full applications Windows or glazing 12 docs

  • 34 Eaton Square London SW1W 9DH

    23/04802/TCA Submitted 12 Jul 2023 12m away

    T1 Magnolia: Fell to ground level Reasons: Leaning supressed tree, poor form and unsuitable location.

    Withdrawn Trees 4 docs

  • Flat P 33 Eaton Square London SW1W 9DH

    26/02631/FULL Submitted 21 Apr 2026 19m away

    87% historically approved · decision due ~19 Jun

    Removal of windows to the rear lower ground floor, insertion of French doors to the rear, minor internal reconfigurations and installation of air source heat pump to the rear garden.

    Awaiting decision Full applications Windows or glazing 28 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)

    20 Jul 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).

    20 Jul 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)

    27 Jul 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)

    20 Jul 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)

    2 Oct 2025 Conditions