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Planning application

41 Devonshire Place London W1G 6JY

Granted Westminster 25/09208/FULL Full Planning Permission Application

Relates to 25/09209/LBC

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

Proposal

Installation of Air Conditioning units at No. 41 Devonshire Place. Proposed works include; 1 x Condenser units to one of the vaults, 2 x Condenser units on the roof, with FCU units located in internal principal rooms. (Linked to 25/09209/LBC)

As published by the council, reference 25/09208/FULL

Application record

Reference
25/09208/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
19 Dec 2025
Validated
24 Feb 2026
Decided
30 Apr 2026
Ward
Marylebone
Decision by
Delegated Decision
Postcode
W1G 6JY

Site history

Applications at this address on the Westminster register

This site has had 16 applications since 2025: 10 approved, 0 refused.

  • 26/05973/FULL Awaiting decision

    41 Devonshire Place London W1G 6JY

    Reinstatement of metal access stair within the lightwell of the townhouse and the new metal access stair within the lightwell to the lower ground floor flat in the Link building. (Linked with 26/05974/LBC)

    Submitted 1 Sep 2026 Full applications
  • 26/05974/LBC Awaiting decision

    41 Devonshire Place London W1G 6JY

    Reinstatement of metal access stair within the lightwell of the townhouse and the new metal access stair within the lightwell to the lower ground floor flat in the Link building. (Linked with 26/05973/FULL)

    Submitted 1 Sep 2026 Heritage and listed buildings
  • 26/04017/ADLBC Awaiting decision

    41 Devonshire Place London W1G 6JY

    Detailed drawings (Scale 1:20) of the platform and its relationship/attachment to the roof structure and roof covering pursuant to condition 3 of listed building dated 30th April 2026 (RN:25/09209/LBC)

    Submitted 18 Jun 2026 Conditions
  • 26/04018/ADFULL Decided

    41 Devonshire Place London W1G 6JY

    Detailed drawings of the platform and its relationship/attachment to the roof structure and roof covering pursuant to condition 8 of planning permission dated 30th April 2026 (RN 25/09208/FULL)

    Submitted 18 Jun 2026
  • 26/00879/LBC Awaiting decision

    41 Devonshire Place London W1G 6JY

    Replacement of existing sandstone floor finish at ground and lower ground floor levels with Portland stone slabs and slate inset tiles.

    Submitted 12 Feb 2026 Heritage and listed buildings
  • 25/09209/LBC Granted

    41 Devonshire Place London W1G 6JY

    Installation of Air Conditioning units at No. 41 Devonshire Place. Proposed works include; 1 x Condenser units to one of the vaults, 2 x Condenser units on the roof, with FCU units located in internal principal rooms. (Linked to 25/09208/FULL)

    Decided 30 Apr 2026 Heritage and listed buildings
  • 25/08236/ADLBC Awaiting decision

    41 Devonshire Place London W1G 6JY

    Detailed drawings of the details of insulated and/or fire rated wall linings to the staircase compartment pursuant to condition 8 (F) of listed building dated 28th July 2025 (RN:24/08954/LBC)

    Submitted 11 Nov 2025 Conditions
  • 25/07833/ADLBC Granted

    41 Devonshire Place London W1G 6JY

    Details of the fall arrest system at main roof level, including a roof plan showing fixing locations and details of the height of any fixing points above the roof surface pursuant to partial discharge of condition 8(a) of listed building consent 28 July 2025 (RN: 24/08954/LBC).

    Decided 24 Apr 2026 Conditions
  • 25/07837/ADFULL Granted

    41 Devonshire Place London W1G 6JY

    Details of fall arrest system, Fan lights and External doors pursuant to condition 4 of planning permission dated 28th July 2025 (RN: 24/08953/FULL).

    Decided 7 Apr 2026 Full applications
  • 25/07752/ADLBC Granted

    41 Devonshire Place London W1G 6JY

    Detailed drawings of fan lights pursuant to condition 8(b) of listed building consent dated 28th July 2025 (RN: 24/08954/LBC).

    Decided 10 Nov 2025 Conditions

Timeline

Dates from the published record

  1. 19 Dec 2025

    Received by Westminster

  2. 24 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 30 Apr 2026

    Decision issued: Application Permitted

  4. 20 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 25/09209/LBC Granted

    41 Devonshire Place London W1G 6JY

    Installation of Air Conditioning units at No. 41 Devonshire Place. Proposed works include; 1 x Condenser units to one of the vaults, 2 x Condenser units on the roof, with FCU units located in internal principal rooms. (Linked to 25/09208/FULL)

    Decided 30 Apr 2026 Heritage and listed buildings

2 later applications on the register refer to this one:

  • 26/04018/ADFULL Decided

    41 Devonshire Place London W1G 6JY

    Detailed drawings of the platform and its relationship/attachment to the roof structure and roof covering pursuant to condition 8 of planning permission dated 30th April 2026 (RN 25/09208/FULL)

    Submitted 18 Jun 2026
  • 25/09209/LBC Granted

    41 Devonshire Place London W1G 6JY

    Installation of Air Conditioning units at No. 41 Devonshire Place. Proposed works include; 1 x Condenser units to one of the vaults, 2 x Condenser units on the roof, with FCU units located in internal principal rooms. (Linked to 25/09208/FULL)

    Decided 30 Apr 2026 Heritage and listed buildings

Who's behind it

Company information only, from the register and Companies House

Wolff Architects Ltd Agent, an architecture practice

Active · incorporated 2004

23 applications on PlanIndex · across 3 councils · 100% granted

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

53 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 30 April 2026, 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

  • 41 Devonshire Place London W1G 6JY

    26/00879/LBC Submitted 12 Feb 2026 50 yards away

    90% historically approved · decision due ~7 May

    Replacement of existing sandstone floor finish at ground and lower ground floor levels with Portland stone slabs and slate inset tiles.

    Awaiting decision Heritage and listed buildings 19 docs

  • 41 Devonshire Place London W1G 6JY

    25/09209/LBC Submitted 19 Dec 2025 50 yards away

    Installation of Air Conditioning units at No. 41 Devonshire Place. Proposed works include; 1 x Condenser units to one of the vaults, 2 x Condenser units on the roof, with FCU units located in internal principal rooms. (Linked to 25/09208/FULL)

    Granted Heritage and listed buildings 51 docs

  • 41 Devonshire Place London W1G 6JY

    25/06472/ADLBC Submitted 10 Sep 2025 50 yards away

    Detailed drawings of all new electrical service routes pursuant to condition 8 (E) of listed building dated 28th July 2025 (RN: 24/08954/LBC)

    Granted Conditions 15 docs

  • 41 Devonshire Place London W1G 6JY

    26/05973/FULL Submitted 1 Sep 2026 50 yards away

    87% historically approved · decision due ~27 Oct

    Reinstatement of metal access stair within the lightwell of the townhouse and the new metal access stair within the lightwell to the lower ground floor flat in the Link building. (Linked with 26/05974/LBC)

    Awaiting decision Full applications

  • 41 Devonshire Place London W1G 6JY

    26/05974/LBC Submitted 1 Sep 2026 50 yards away

    90% historically approved · decision due ~27 Oct

    Reinstatement of metal access stair within the lightwell of the townhouse and the new metal access stair within the lightwell to the lower ground floor flat in the Link building. (Linked with 26/05973/FULL)

    Awaiting decision Heritage and listed buildings

  • 41 Devonshire Place London W1G 6JY

    25/07833/ADLBC Submitted 29 Oct 2025 50 yards away

    Details of the fall arrest system at main roof level, including a roof plan showing fixing locations and details of the height of any fixing points above the roof surface pursuant to partial discharge of condition 8(a) of listed building consent 28 July 2025 (RN: 24/08954/LBC).

    Granted Conditions 9 docs

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront.

    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 repolacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06234/FULL Awaiting decision

    40 Grosvenor Place London SW1X 7HJ

    Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

    Received 11 Sep, published by the council 18 Sep 2026 Full applications
  • 26/06249/FULL Awaiting decision

    53 Wimpole Street London W1G 8YH

    Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

    Received 11 Sep, published by the council 18 Sep 2026 Full applications
  • 26/03576/FULL Decided

    15A Devonshire Terrace London W2 3DW

    Erection of an infill extension to basement courtyard to form new bedroom and internal alterations. (Linked with 26/03577/LBC)

    Received 1 Jun, published by the council 11 Sep 2026 Full applications