Planning application
123 - 125 Gloucester Place London W1U 6JZ
Relates to 26/01709/FULL
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
Internal alterations at basement level. (Linked to 26/01709/FULL)
As published by the council, reference 26/01710/LBC
Application record
- Reference
- 26/01710/LBC
- Category
- Heritage and listed buildings
- Status
- Decided
- Received
- 17 Mar 2026
- Validated
- 17 Mar 2026
- Ward
- Marylebone
- Postcode
- W1U 6JZ
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2026.
-
26/01709/FULL Awaiting decision
123 - 125 Gloucester Place London W1U 6JZ
Change of use of one room in a Class C3 Dwellinghouse, currently used as an ancillary office, to Class E (e) Medical or Health services, with minor internal changes. Existing residential use in Unit F is to be maintained. (Linked to 26/01710/LBC)
Timeline
Dates from the published record
-
17 Mar 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
12 Oct 2026
Status changed to Decided
Previously Pending.
Related applications
Cases linked to this one on the register
-
26/01709/FULL Awaiting decision
123 - 125 Gloucester Place London W1U 6JZ
Change of use of one room in a Class C3 Dwellinghouse, currently used as an ancillary office, to Class E (e) Medical or Health services, with minor internal changes. Existing residential use in Unit F is to be maintained. (Linked to 26/01710/LBC)
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 documentsAfter the decision
Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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 0.3 miles
-
Flat 1 123 - 125 Gloucester Place London W1U 6JZ
90% historically approved · decision due ~19 Oct
Internal alterations including removal of the existing false ceiling and installation of a bathroom ventilation outlet to the rear elevation (Linked to 26/05450/FULL)
Decided Heritage and listed buildings -
Flat 1 123 - 125 Gloucester Place London W1U 6JZ
Internal alterations including the removal of the false ceiling, and the installation of a bathroom vent at the rear of the property (Linked to 26/05646/LBC)
Decided Full applications -
123 - 125 Gloucester Place London W1U 6JZ
88% historically approved · decision due ~12 May
Change of use of one room in a Class C3 Dwellinghouse, currently used as an ancillary office, to Class E (e) Medical or Health services, with minor internal changes. Existing residential use in Unit F is to be maintained. (Linked to 26/01710/LBC)
Awaiting decision Full applications 16 docsDomestic -
22 Portman Square London W1H 7BG
Use of part of basment car park as self storgae (class B8) purposes, together with external alterations to access points, installation of a platform lift, a canopy and associated works.
Granted Full applications 26 docs -
119 Gloucester Place London W1U 6JX
Use as a single dwelling house (Class C3). Minor alterations to front facade, demolition and rebuilding of ground and basement rear extension and enlargement of courtyard at rear ground and first floor levels.
Granted Full applications Extension Demolition 15 docsDomestic -
119 Gloucester Place London W1U 6JX
Internal alterations in connection with the use of the building as a single family dwelling. Minor alterations to front facade demolition and rebuild of ground and basement rear extension and enlargement of courtyard at rear ground and first floor level.
Granted Heritage and listed buildings Extension Demolition 2 docsDomestic
Other heritage and listed building applications
In Westminster
-
26/07529/LBC Awaiting decision
69 Eaton Place London SW1X 8DF
Installation of new cast iron water supply pipe on rear courtyard elevation. (Linked with 26/07528/FULL)
-
26/07509/LBC Awaiting decision
Buckingham Palace The Mall London SW1A 1AA
Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07508/FULL)
-
26/07473/LBC Awaiting decision
Flat 3 82 New Cavendish Street London W1G 9TA
Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07472/FULL)
-
26/07471/LBC Awaiting decision
12 Queen Anne's Gate London SW1H 9AA
Excavation of single-storey basement, internal reconfiguration and installation of modern services. (Linked with 26/07470/FULL)
-
26/07461/LBC Awaiting decision
1 Savile Row London W1S 3JR
Minor internal works comprising redecoration and upgrades to lighting, flooring and bathroom and kitchen facilities, together with external works including new lighting and signage.