Skip to content
PlanIndex Get alerts
Menu

Planning application

20 Wimpole Street London W1G 8GF

Granted Westminster 25/06123/ADLBC Approval of Details (ADLBC)

Relates to 25/06320/ADFULL

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

Proposal

Detailed drawings of the following parts of the development 1) pipework rationalisation to the front elevation, 2) traditional enclosure to rear plant, 3) Pointing specification, 4) Internal door schedule, noting historic doors to be retained and reuse of partition doors pursuant to condition 4 of listed building consent dated 10th June 2024 (RN: 24/03836/LBC).(Linked to 25/06320/ADFULL).

As published by the council, reference 25/06123/ADLBC

Application record

Reference
25/06123/ADLBC
Type
Approval of Details (ADLBC)
Status
Decided
Decision
Granted As published: Application Permitted
Received
28 Aug 2025
Validated
19 Sep 2025
Decided
7 Nov 2025
Ward
Marylebone
Decision by
Delegated Decision
Postcode
W1G 8GF

Site history

Applications at this address on the Westminster register

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

  • 25/06320/ADFULL Granted

    20 Wimpole Street London W1G 8GF

    Detailed drawings of the following parts of the development 1) pipework rationalisation to the front elevation, 2) traditional enclosure to rear plant, 3) Pointing specification pursuant to condition 7 of planning permission dated 10th June 2024 (RN: 24/03835/FULL). (Linked to 25/06123/ADLBC).

    Decided 27 Oct 2025 Full applications

Timeline

Dates from the published record

  1. 28 Aug 2025

    Received by Westminster

  2. 19 Sep 2025

    Validated

    Checked as complete and ready for consideration.

  3. 7 Nov 2025

    Decision issued: Application Permitted

  4. 21 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 25/06320/ADFULL Granted

    20 Wimpole Street London W1G 8GF

    Detailed drawings of the following parts of the development 1) pipework rationalisation to the front elevation, 2) traditional enclosure to rear plant, 3) Pointing specification pursuant to condition 7 of planning permission dated 10th June 2024 (RN: 24/03835/FULL). (Linked to 25/06123/ADLBC).

    Decided 27 Oct 2025 Full applications

1 later application on the register refers to this one:

  • 25/06320/ADFULL Granted

    20 Wimpole Street London W1G 8GF

    Detailed drawings of the following parts of the development 1) pipework rationalisation to the front elevation, 2) traditional enclosure to rear plant, 3) Pointing specification pursuant to condition 7 of planning permission dated 10th June 2024 (RN: 24/03835/FULL). (Linked to 25/06123/ADLBC).

    Decided 27 Oct 2025 Full applications

Who's behind it

Company information only, from the register and Companies House

Howard de Walden Estates Limited Agent, a developer registered in London

Active · incorporated 1963 · London

35 applications on PlanIndex

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

9 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 7 November 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 0.3 miles

  • 20 Wimpole Street London W1G 8GF

    25/06320/ADFULL Submitted 5 Sep 2025 50 yards away

    Detailed drawings of the following parts of the development 1) pipework rationalisation to the front elevation, 2) traditional enclosure to rear plant, 3) Pointing specification pursuant to condition 7 of planning permission dated 10th June 2024 (RN: 24/03835/FULL). (Linked to 25/06123/ADLBC).

    Granted Full applications 11 docs

  • Ground Floor 23 Wimpole Street London W1G 8GP

    26/03236/LBC Submitted 15 May 2026 50 yards away

    90% historically approved · decision due ~10 Jul

    Internal alterations to lower ground floor flat.

    Awaiting decision Heritage and listed buildings 10 docs

  • 28 Harley Place London W1G 8QF

    12/05964/ADFULL Submitted 12 Jun 2012 50 yards away

    Details of how waste is going to be stored on the site and how materials for recycling will be stored separately pursuant to Condition 2 of planning permission dated 15 September 2011 (RN:11/03771).

    Granted Full applications 3 docs

  • 28 Harley Place London W1G 8QF

    12/00194/FULL Submitted 4 Jan 2012 50 yards away

    Installation of new skylight at roof level.

    Granted Full applications 6 docs

  • 28 Harley Place London W1G 8QF

    11/09166/LBC Submitted 22 Sep 2011 50 yards away

    Retention of internal alterations at all floor levels including an internal mezzanine floor at first floor level.

    Decided Heritage and listed buildings 5 docs

  • 64 Wimpole Street London W1G 8YS

    26/01740/FULL Submitted 18 Mar 2026 50 yards away

    87% historically approved · decision due ~13 May

    Erection of a new roof terrace and green roof area at rear 2nd floor level; installation of plant and photovoltaic panels at main roof level and new mansard roof extension and installation of plant on the mews roof level; alterations at ground floor front elevation; Internal and external alterations throughout the building in connection with a rear elevation extension from first to fourth floor levels and the reconfiguration of the existing fifth floor level, installation of new double glazed windows throughout all in connection with a change of use to Class E (e) medical use.

    Awaiting decision Full applications Extension Loft or dormer +2 88 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