Planning applications in Marylebone

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.

Flat 2 New Cavendish Mansions 48 New Cavendish Street London W1G 8TG

Retrofit of existing windows, including insertion of slimline double-glazing windowpanes to front facade.

Ground Floor 32 Chiltern Street London W1U 7QQ

Display of three vinyls to ground floor windows measuring 2.41m x 1.75m, 1.42m x 0.6m and 0.34m x 0.6m for a temporary period of one year

51 Upper Montagu Street London W1H 1FQ

Details of supplementary acoustic report, detailed drawings of all new doors and windows, new first floor balconettes and investigative report of Phase 1 pursuant to condition 5, 7, 8 and 11 (part) of planning permission dated 24 October 2025 (RN: 25/03874/FULL).

Ground Floor 23 Wimpole Street London W1G 8GP

Replacement windows, doors and lantern roof and internal alterations (Linked to 26/00832/FULL)

Ground Floor 23 Wimpole Street London W1G 8GP

Replacement windows, doors and lantern roof (Linked to 26/00833/LBC)

37 Great Cumberland Place London W1H 7TD

Details of the existing and proposed floor build ups throughout the building and drawings omitting floor levelling and joist notching pursuant to condition 3A and 5 of listed building consent dated 15 October 2020 (RN: 20/03651/LBC).

51 Upper Montagu Street London W1H 1FQ

Detailed drawings of new doors, new windows including sections and glazing bar profiles, new skirting, and cornices, new fireplace surrounds, new Juliette balconies pursuant to condition 4 of listed building consent dated 28 October 2025 (RN: 25/03875/LBC)

Basement And Ground Floor 38 Montagu Square London W1H 2LL

Variation of condition 4(b) of planning permission dated 28 December 2023 (RN 23/07346/FULL) for the demolition of existing roof and erection of a mansard roof extension at first floor level and alterations to the front and rear of the portion of the building fronting onto Bryanston Mews East. Subdivision and reconfiguration of existing ground and lower ground floor levels of the building and together with the new first floor extension to the mews portion of the building, create two self-contained residential units (Class C3) and associated external alterations. Lowering of front pavement vault [Site includes 22 Bryanston Mews East] (Linked with 23/07347/LBC) NAMELY, to amend the wording of condition 4 (b) to remove reference of the approved rooflights are to be conservation rooflights and low profile horizontal rooflights.

Basement And Ground Floor 38 Montagu Square London W1H 2LL

Variation of condition 4(b) of listed building consent dated 28 December 2023 (RN 23/07347/LBC) for the demolition of existing roof and erection of a mansard roof extension at first floor level and alterations to the front and rear of the portion of the building fronting onto Bryanston Mews East. Subdivision and reconfiguration of existing ground and lower ground floor levels of the building and together with the new first floor extension to the mews portion of the building, create two self-contained residential units (Class C3) and associated external alterations. Lowering of front pavement vault [Site includes 22 Bryanston Mews East] (Linked with 23/07346/FULL) NAMELY, to replace the wording of "conservation rooflights" with "low profile horizontal rooflights". (Linked to 26/00837/FULL)

11 Marylebone Mews London W1G 8PX

Erection of a mansard roof extension, excavation and extension of the existing basement, installation of plant within a louvered acoustic enclosure on the rear flat roof at second floor and the replacement of the fenestration to the front and rear of the building; all to enlarge and alter dwellinghouse (Class C3).

Flat 7 Crofton House 1 New Cavendish Street London W1G 8US

Internal alterations including blocking up of an existing opening to accommodate two distinct bathrooms.

The Princess Grace Hospital 42 - 52 Nottingham Place London W1U 5NY

Installation of two new liquid oxygen storage vessels with associated hardstanding areas, cast iron bollard, new and extended palisade fencing, new Victorian style fencing, relocated cycle storage and moveable planter.

15 Upper Wimpole Street London W1G 6LS

Detailed drawings/schedules/samples at appropriate scale of works to roofs, including leadwork, slating and retention of slate coping to rear vaulted roof; design of new entrance door and mews doors (to be traditional with collinge hinges); paving specs/sample (lightwells/infills); design and materials of new fanlight, Works to front lightwell and entrance steps and rationalised pipe work pursuant to condition 9 (part 2, 4, 7, 8, 9, 10) of planning permission dated 3 June 2025 (RN: 25/00868/FULL)

15 Upper Wimpole Street London W1G 6LS

Details of privacy screen and detailed drawings/schedules/samples of works to fit glazing bars to retained windows; horizontal and vertical sections through new window and door joinery; coping specification and material to rear brickwork screen and glazing system to infill roof pursuant to condition 6 and 9 (part 1, 3, 5, 6) of planning permission dated 3 June 2025 (RN: 25/00868/FULL)

15 Upper Wimpole Street London W1G 6LS

Details of works to fit glazing bars to retained windows, horizontal and vertical sections through new window and door joinery, coping specification and material to rear brickwork screen and glazing system to infill roof pursuant to Condition 3 (Parts 1, 3, 5 and 6) of Listed Building Consent dated 3 June 2025 (RN: 25/00869/LBC)

16 Baker Street London W1U 3HS

Display of three halo illuminated and internally illuminated (letters only) fascia signs.

16 Baker Street London W1U 3HS

Alterations to shopfront.

Dev Site At 19-35 Baker Street, 88-110 George Street, 69-71 Blandford Street And 30 Gloucester Place London

Details of the design strategy for all shopfronts and signs, and for the treatment of the courtyard shopfronts to ensure these are active frontages with public entrances and a scheme to demonstrate the area immediately behind the windows, shall not include any obscured glass and shall define any display panels within the windows pursuant to Conditions 5 and 43 of planning permission dated 1 October 2021 (RN: 20/06914/FULL)

13 Harley Street London W1G 9QG

Installation of double doors at first floor level and repair work to front door

First Floor Flat 34 Seymour Street London W1H 7JE

Internal alterations including the removal and addition of partitions.

15 Upper Wimpole Street London W1G 6LS

Details of works to roofs, including leadwork, slating and retention of slate coping to rear vaulted roof; design of new entrance door and mews doors (to be traditional with collinge hinges); paving specs/sample (lightwells/infills); design and materials of new fanlight; works to front lightwell entrance steps, rationalised pipe work, detailed design and materials of glazed lift; relationship of glazed lift to decorative features at each level, confirmation that floorboards will be retained throughout and any new flooring pursuant to Conditions 3 External (2,4,7,8,9 and 10) and Internal (8,9,10 and 11) of listed building consent dated 03 June 2025 (RN25/00869/LBC)

2 Wimpole Mews London W1G 8PE

Detailed drawings (1:20 and1:5) inc existing fabric junction pursuant to Condition 4 of planning permission dated 31 July 2025 (RN: 25/03972/FULL)

34 Upper Berkeley Street London W1H 5QE

Installation of replacement internal and external doors and fencing / gate on Stourcliffe Street. (Linked with 26/00625/FULL)

34 Upper Berkeley Street London W1H 5QE

Installation of replacement external doors and fencing / gate on Stourcliffe Street. (Linked with 26/00626/LBC)

233 - 237 Old Marylebone Road London NW1 5QT

Erection of a ground floor extension to the front of the building.

Flat 43 2 Mansfield Street London W1G 9NF

Installation of external air conditioning unit at roof level and associated cabling and pipework. (Linked with 26/00590/LBC)

Flat 43 2 Mansfield Street London W1G 9NF

Installation of external air conditioning unit at roof level and associated cabling and pipework. (Linked with 26/00589/FULL)

43 Weymouth Mews London W1G 7EQ

Retention of one retractable awning and installation of one additional retractable awning at ground floor level to The Jackalope Public House.

58 Queen Anne Street London W1G 8HW

Detailed drawings and a bio-diversity management plan in relation to the green (living) roof areas to include construction method, layout, species and maintenance regime pursuant to Condition 9 of planning permission dated 26th June 2023 (RN: 22/08485/FULL)

Development Site At 38-70 Baker Street, 64-66 Blandford Street And 43-45 Dorset Street London

Details of whole life carbon assessment prior to commencement of any work on site including all works of deconstruction and demolition pursuant to Condition 33(a) of planning permission dated 04/04/2025 (RN: 22/08200/FULL).

Development Site At 38-70 Baker Street, 64-66 Blandford Street And 43-45 Dorset Street London

Details of mechanical ventilation systems pursuant to Condition 26 of planning permission dated 4 April (Ref: 22/08200/FULL)

43 Weymouth Mews London W1G 7EQ

Retention of one retractable awning and installation of one additional retractable awning at ground floor level to The Jackalope Public House.

41 Manchester Street London W1U 7LN

Detailed drawings and methodology of the new ground floor front facade channelling must be informed by scholarly research of the surrounding context and following on any historic banding that may exist already at the building pursuant to part conditions 10c of planning permission dated 8th April 2025 (RN 24/06665/FULL)

41 Manchester Street London W1U 7LN

Detailed drawings of the existing external metalwork with a method statement for its repair and refurbishment pursuant to part conditions 10i of planning permission dated 8th April 2025 (RN 24/06665/FULL)

15 Rodmarton Street London W1U 8BL

Erection of a single storey conservatory at rear ground floor level, use of the garage as internal living accommodation and installation of a new skylight at main roof level.

102 George Street London W1U 8PB

Display of two fascia signs measuring 0.3m x 1.3m and one fascia sign measuring 0.3m x 2m and display of three projecting signs measuring 0.4m x 0.4m and display of two window vinyl measuring 2.3m x 1.2m and 2.3m x 1m

41 Manchester Street London W1U 7LN

Detailed drawings and methodology of the new ground floor front facade channelling must be informed by scholarly research of the surrounding context and following on any historic banding that may exist already at the building pursuant to part conditions 5c of listed building consent dated 15th October 2025 (RN 25/04417/LBC)

Ground Floor 35 Weymouth Street London W1G 8BJ

Variation of condition 1 and 5 of planning permission dated 14th July 2025 (RN:25/03421/FULL) for the Demolition of existing plant enclosure and part first floor and replacement with new plant and plant enclosure to the rear of 35-37 Weymouth Street, including extension and alterations at first floor to enlarge the existing hospital accommodation (Class C2). Alteration to the Wimpole Mews Elevation frontage including the installation of replacement louvres, removal of railings and addition of wall mounted planters. Namely, to vary/remove the wording of conditions 1 and 5.

59 Great Cumberland Place London W1H 7LJ

Replacement of external basement stair railings with new iron railings. (Linked to 25/08564/FULL)

41 Manchester Street London W1U 7LN

Details of a methodology -where applicable, and detailed drawings (Scale 1:20 and 1:5) and/or sample (photographs or manufacturers specifications) where specified; of a survey schedule of the condition of existing external metalwork with a method statement for its repair and refurbishment pursuant to condition 5 (i) of listed building dated 15th October 2025 (RN:25/04417/LBC)

Development Site At 38-70 Baker Street, 64-66 Blandford Street And 43-45 Dorset Street London

Details of Circular Economy Statement pursuant to Condition 34a of planning permission dated 4 April 2025 (Ref: 22/08200/FULL)

Dev Site At 19-35 Baker Street, 88-110 George Street, 69-71 Blandford Street And 30 Gloucester Place London

Display of two signs of 3D lettering (non-illuminated) attached to the outside of the ground floor windows measuring 2m x 0.22m, one on Baker Street and one on George Street. (SPLIT DECISION WITH 26/00466/ADV)

23 Queen Anne Street London W1G 9HN

Installation of photovoltaic panels (PV) at main roof level.

Dev Site At 19-35 Baker Street, 88-110 George Street, 69-71 Blandford Street And 30 Gloucester Place London

Display of an A board positioned on the public highway measuring 0.89m x 0.645m. (SPLIT DECISION WITH 26/01680/ADV)

Development Site At 38-70 Baker Street, 64-66 Blandford Street And 43-45 Dorset Street London

Details of tree protection pursuant to Condition 40 of planning permission dated 04 April 2025 (Ref: 22/08200/FULL)

21 - 22 Welbeck Way London W1G 9YW

Installation of 2 x condenser units roof level, including external grid deck for plant access and mounting.

Ground Floor Forset Court 22 - 23 Nutford Place London W1H 5YH

Removal and infill of existing aluminium infill, external window and associated cladding at east facade, installation of new timber fascia and associated works.

1 Marylebone High Street London W1U 4DL

Amendments to planning permission dated 18 June 2025 (RN: 24/08179/FULL) for the: Rear extension to existing building, formation of new roof terrace including rooftop pavilion, new external plant, replacement of existing windows with double glazing and minor alterations to building facade including new entrance. Namely, to allow the removal of existing entrance step with a ramp; removal of existing smoke vents and pavement lights with concrete to match existing; and changes in window arrangement on rear and north elevation of the building.

109 Gloucester Place London W1U 6JW

Erection of flagpole to front of building.