48 Charles Street London W1J 5EN

This site has had 2 applications since 2026.

• 26/00277/LBC Awaiting decision

  48 Charles Street London W1J 5EN

  Alterations at roof level including creation of new roof terrace, partial removal and repair of mansard and dormer windows, replacement of windows, new doors, new stair and door to lightwell, replacement of rooflight, removal of flag poles, new balustrading, lighting, restoration of obelisks, Internally; alterations including removal of modern partitions and new openings made, new doors, replacement lift, restored staircase,replacement of ceilings, provision of new W.Cs and shower areas, the installation of cycle facilities; internal alterations at all floor levels; and associated works. (Linked to 26/00276/FULL)

  Submitted 19 Jan 2026 Heritage and listed buildings

1. 19 Jan 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 16 March 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Westminster took a median of 66 days over the applications it decided in the last year.

• 26/00277/LBC Awaiting decision

  48 Charles Street London W1J 5EN

  Alterations at roof level including creation of new roof terrace, partial removal and repair of mansard and dormer windows, replacement of windows, new doors, new stair and door to lightwell, replacement of rooflight, removal of flag poles, new balustrading, lighting, restoration of obelisks, Internally; alterations including removal of modern partitions and new openings made, new doors, replacement lift, restored staircase,replacement of ceilings, provision of new W.Cs and shower areas, the installation of cycle facilities; internal alterations at all floor levels; and associated works. (Linked to 26/00276/FULL)

  Submitted 19 Jan 2026 Heritage and listed buildings

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 91 days. More in our guide to how long planning decisions take.

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.

• 48 Charles Street London W1J 5EN

  26/00277/LBC Submitted 19 Jan 2026 50 yards away

  90% historically approved · decision due ~16 Mar

  Alterations at roof level including creation of new roof terrace, partial removal and repair of mansard and dormer windows, replacement of windows, new doors, new stair and door to lightwell, replacement of rooflight, removal of flag poles, new balustrading, lighting, restoration of obelisks, Internally; alterations including removal of modern partitions and new openings made, new doors, replacement lift, restored staircase,replacement of ceilings, provision of new W.Cs and shower areas, the installation of cycle facilities; internal alterations at all floor levels; and associated works. (Linked to 26/00276/FULL)

  Awaiting decision Heritage and listed buildings Loft or dormer Roofing +1 60 docs

• 50 Charles Street London W1J 5EP

  11/07728/FULL Submitted 12 Aug 2011 50 yards away

  Installation of a new air conditioning unit to front lightwell of the property.

  Granted Full applications 8 docs

• 50 Charles Street London W1J 5EP

  11/07730/LBC Submitted 12 Aug 2011 50 yards away

  Installation of a new air conditioning unit to front lightwell of the property.

  Granted Heritage and listed buildings 1 doc

• 50 Charles Street London W1J 5EP

  06/07564/TPO Submitted 19 Sep 2006 50 yards away

  1 x London Plane: Selectively reduce crown by up to 20% to a balance form, ensuring 3m clearance from all adjoining properties. Clean out crown and remove deadwood.

  Granted Trees 1 doc

• 45 Charles Street London W1J 5EQ

  25/05839/NMA Submitted 18 Aug 2025 50 yards away

  Amendment to planning permission dated 27th February 2024 (RN 23/03027/FULL) for, 'External alterations including reinstatement of blocked up windows, replacement of existing windows, removal of chimney stack, extension of lift overrun, creation of ground floor roof terrace and installation of access staircase, creation of third floor terrace, including replacement of window with a door, replacement of roof coverings, installation of louvre, refurbishment of rear courtyard, installation of plant equipment in rear lightwell, facade cleaning and other associated works'; NAMELY, A new front door with wall lights either side. Amendments to the louvred panel above the door in the lower ground floor and the replacement of door with a fire rated door. The size of the lift overrun has increased. Raising of the level 3 terrace balustrade. Lintel to the access doors have been raised. A black WC vent is also proposed. The rainwater pipe to be redirected. Recessed floor lighting to the level 3 terrace is also included. Feature wall lighting and emergency lighting are also proposed on the rear elevation. Amendments to the level 2 windows. The staircase connecting the rear courtyard and roof terrace is now proposed to be a lightweight metal staircase clad in the same floor finish as the terrace.

  Granted Amendments Extension Windows or glazing 32 docs

• 45 Charles Street London W1J 5EQ

  26/04033/ADFULL Submitted 18 Jun 2026 50 yards away

  89% historically approved · decision due ~13 Aug

  Details of a biodiversity management plan in relation to the green walls and planters pursuant to Condition 12 of planning permission dated 27 February 2024 (RN: 23/03027/FULL).

  Decided

• 26/06331/FULL Awaiting decision

  31G Nottingham Place London W1U 5LP

  Installation of a condenser within acoustic enclosure and metal railing on the rear flat roof at third-floor level.

  Received 16 Sep, published by the council 23 Sep 2026 Full applications
• 26/06328/FULL Awaiting decision

  Athena Court 2 Finchley Road London NW8 6DP

  Installation of a multifunctional communication Hub including defibrillator outside Athena Court. (Linked with 26/06329/ADV)

  Received 16 Sep, published by the council 23 Sep 2026 Full applications
• 26/06325/FULL Awaiting decision

  29 Norfolk Road London NW8 6AU

  Hard and soft landscaping works; amendment to railings style to rear garden structures (outbuilding and pergola); external lighting; boundary treatment; refuse storage; and photovoltaic panels. (Linked with 26/06326/LBC)

  Received 16 Sep, published by the council 23 Sep 2026 Full applications
• 26/06340/FULL Awaiting decision

  141 Harley Street London W1G 6BQ

  Variation of Condition 1 of planning permission dated 22 December 2026 (RN: 16/05372/FULL) for: Demolition of mews buildings at 28 and 29 Devonshire Mews West and lower ground and ground floor link building at the rear of 141 Harley Street and the erection of new building to include a three storey basement to the rear of the site in connection with the use of the 141 Harley Street and the lower ground and ground floor of 143 Harley Street for Class D1 medical purposes; installation of a new passenger lift to the rear of 141 Harley Street and installation of plant. (Site includes excavation part way under the pavement of Devonshire Mews West and use swap with 126 Harley Street) namely, to allow creation of party wall openings at basement, ground and first floors; insertion of a platform lift within No. 143 from basement to first floors; partial infilling of the rear basement area; and other minor adjustments to plan form. (Linked with 26/06290/LBC)

  Received 16 Sep, published by the council 23 Sep 2026 Full applications
• 26/06341/FULL Awaiting decision

  141 Harley Street London W1G 6BQ

  Installation of new sesame lift into existing front entrance steps. (Linked with 26/06342/LBC)

  Received 16 Sep, published by the council 23 Sep 2026 Full applications