Planning application
45 New Cavendish Street London W1G 9TJ
Relates to 25/07901/FULL
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Internal alterations at ground and lower ground level including reinstatement of staircase. (Linked with 25/07901/FULL)
As published by the council, reference 25/07902/LBC
Application record
- Reference
- 25/07902/LBC
- Type
- Listed Building Consent Application
- Status
- Decided
- Decision
- Application Permitted
- Received
- 31 Oct 2025
- Validated
- 4 Nov 2025
- Decided
- 4 Mar 2026
- Ward
- Marylebone
- Decision by
- Delegated Decision
- Postcode
- W1G 9TJ
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2025: 2 approved, 0 refused.
-
25/07901/FULL Granted
45 New Cavendish Street London W1G 9TJ
Use of part of the lower ground floor for retail purposes (Class E). (Linked with 25/07902/LBC)
Timeline
Dates from the published record
-
31 Oct 2025
Received by Westminster
-
4 Nov 2025
Validated
Checked as complete and ready for consideration.
-
4 Mar 2026
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
-
25/07901/FULL Granted
45 New Cavendish Street London W1G 9TJ
Use of part of the lower ground floor for retail purposes (Class E). (Linked with 25/07902/LBC)
1 later application on the register refers to this one:
-
25/07901/FULL Granted
45 New Cavendish Street London W1G 9TJ
Use of part of the lower ground floor for retail purposes (Class E). (Linked with 25/07902/LBC)
Who's behind it
Company information only, from the register and Companies House
Hertford Planning Service Agent, a planning consultancy
137 applications on PlanIndex · across 12 councils · 83% 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 recordDocuments
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 documentsWhat this grant of permission means
Westminster granted permission on 4 March 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 heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
45 New Cavendish Street London W1G 9TJ
Use of part of the lower ground floor for retail purposes (Class E). (Linked with 25/07902/LBC)
Granted Full applications 16 docs -
Flat 6 New Cavendish Court 39 New Cavendish Street London W1G 9TN
Amalgamation of Flats 5 and 6 (Class C3) at third floor level to form one new self contained family sized dwelling.
Granted Full applications New dwelling 11 docsDomestic -
Flat 2 New Cavendish Mansions 48 New Cavendish Street London W1G 8TG
87% historically approved · decision due ~9 Apr
Retrofit of existing windows, including insertion of slimline double-glazing windowpanes to front facade.
Awaiting decision Full applications Windows or glazing 13 docs -
54 Wimpole Street London W1G 8YJ
91% historically approved · decision due ~7 May
Details pursuant to condition 5 of listed building consent dated 15th August 2025 (RN:25/02411/LBC).
Awaiting decision Conditions 15 docs -
53 Wimpole Street London W1G 8YH
90% historically approved · decision due ~6 Nov
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 26/06249/FULL)
Awaiting decision Heritage and listed buildings -
53 Wimpole Street London W1G 8YH
87% historically approved · decision due ~6 Nov
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)
Awaiting decision Full applications
Other heritage and listed building applications
In Westminster
-
26/06250/LBC 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 26/06249/FULL)
-
26/06203/LBC Awaiting decision
106 Blandford Street London W1U 8AG
Installation of two roof-mounted anchor posts. (Linked to 26/06202/FULL)
-
26/06187/LBC Awaiting decision
4 Shepherd Market London W1J 7QB
Installation of wall mounted highway street light on to the facade of 4 Shepherd Market.
-
26/06216/LBC Awaiting decision
208 Regent Street London W1B 5BD
Strip-out of existing, modern retail unit fixtures, fittings, stair and services, with retention of heritage and listed features, including shopfront and entrances, and ground floor ceiling details and features. Fit-out of new retail fittings, fixtures and services. Retention of shopfront with new 'like-for-like' signage and a new flag pole.
-
26/06176/LBC Awaiting decision
46 Gloucester Place London W1U 8HG
Installation of 1,100 mm high protective railings along the existing roof-level access walkway. (Linked to 26/06178/FULL)