52 Portland Place London W1B 1NH

This site has had 2 applications since 2025.

• 25/08377/LBC Awaiting decision

  52 Portland Place London W1B 1NH

  Internal and external works including demolition, refurbishment, restoration and alterations to 52 Portland Place as well as removal of existing external condensers at basement, ground, third and fourth floor level and provision of new, consolidated plant and screening at basement and third floor level alongside other associated works. (Linked with 25/08376/FULL)

  Submitted 17 Nov 2025 Heritage and listed buildings

1. 17 Nov 2025

   Received by Westminster

2. 20 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 12 January 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 91 days over the applications it decided in the last year.

• 25/08377/LBC Awaiting decision

  52 Portland Place London W1B 1NH

  Internal and external works including demolition, refurbishment, restoration and alterations to 52 Portland Place as well as removal of existing external condensers at basement, ground, third and fourth floor level and provision of new, consolidated plant and screening at basement and third floor level alongside other associated works. (Linked with 25/08376/FULL)

  Submitted 17 Nov 2025 Heritage and listed buildings

1 later application on the register refers to this one:

• 25/08377/LBC Awaiting decision

  52 Portland Place London W1B 1NH

  Internal and external works including demolition, refurbishment, restoration and alterations to 52 Portland Place as well as removal of existing external condensers at basement, ground, third and fourth floor level and provision of new, consolidated plant and screening at basement and third floor level alongside other associated works. (Linked with 25/08376/FULL)

  Submitted 17 Nov 2025 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 119 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.

• 52 Portland Place London W1B 1NH

  25/08377/LBC Submitted 17 Nov 2025 50 yards away

  90% historically approved · decision due ~12 Jan

  Internal and external works including demolition, refurbishment, restoration and alterations to 52 Portland Place as well as removal of existing external condensers at basement, ground, third and fourth floor level and provision of new, consolidated plant and screening at basement and third floor level alongside other associated works. (Linked with 25/08376/FULL)

  Awaiting decision Heritage and listed buildings Demolition 39 docs

• 46 Portland Place London W1B 1NF

  26/02183/CLEUD Submitted 1 Apr 2026 50 yards away

  84% historically approved · decision due ~27 May

  Confirmation on planning permission have been lawfully implemented by carrying out a material operation at the site, in accordance with the approved plans (Variation of condition 1 of planning permission dated 29 April 2016 (RN 14/12563/FULL) for the demolition of the rear extension to the building at lower ground, mezzanine, ground and first floor levels and rebuilding to include the creation of a terrace at rear first floor level. Excavation of additional basement levels and installation of plant at main roof and basement level all in association with the use of the property as a single family dwelling (Class C3) from RN 14/12563/FULL. NAMELY, to vary the approved drawings to enable additional excavation at basement levels, installation of photovoltaics at roof level, enlargement of the openings at ground and first floors, to change a window to a door to provide access to the terrace at rear first floor level and to alter the fenestration of the front elevation to the orangery with internal alterations at all floor levels)

  Awaiting decision Lawful development Extension Demolition +1 14 docs
  Domestic

• 46 Portland Place London W1B 1NF

  26/04128/LBC Submitted 23 Jun 2026 50 yards away

  90% historically approved · decision due ~18 Aug

  Internal alterations to the rear of the first floor, comprising the removal of non-original partitions, fixtures, fittings and doors associated with the existing WC/shower block and kitchen within the closet wing, together with the removal of suspended ceilings to reinstate original ceiling heights in the principal rooms. The works include the installation of a new WC and tea point with associated partitioning, and the formation of a new opening between the library/study and rear seating area, detailed with matching cornices and skirtings to respect the historic character and fabric of the building.

  Awaiting decision Heritage and listed buildings

• 46 Portland Place London W1B 1NF

  26/05632/FULL Submitted 18 Aug 2026 50 yards away

  New dormer windows, replacement of all non-original windows, previously proposed windows and relevant external glazed doors with new painted windows and new glazed painted external doors that encompass vacuum glazing together with reinstatement of suitable joinery profiles throughout. (Linked with 26/04113/LBC)

  Decided Full applications Loft or dormer Windows or glazing

• 46 Portland Place London W1B 1NF

  26/04113/LBC Submitted 22 Jun 2026 50 yards away

  90% historically approved · decision due ~19 Oct

  New dormer windows, replacement of all non-original windows, previously proposed windows and relevant external glazed doors with new painted windows and new glazed painted external doors that encompass vacuum glazing together with reinstatement of suitable joinery profiles throughout. (Linked with 26/05632/FULL)

  Decided Heritage and listed buildings Loft or dormer Windows or glazing 24 docs

• 48 Portland Place London W1B 1NN

  25/07758/ADLBC Submitted 27 Oct 2025 50 yards away

  Detailed drawings at 1:10 with full size glazing bar sections of the new sash windows pursuant to condition 3 of listed building consent dated 29th April 2025 (RN: 25/00294/LBC).

  Granted Conditions Windows or glazing 7 docs

• 26/06234/FULL Decided

  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
• 26/06015/FULL Decided

  129 Saltram Crescent London W9 3JT

  Erection of a two-storey rear extension.

  Received 3 Sep, published by the council 11 Sep 2026 Full applications
• 26/07382/FULL Awaiting decision

  90 Gloucester Place London W1U 6HS

  Use of the building as an embassy (sui generis)

  Received 28 Oct, published by the council 2 Nov 2026 Full applications
• 26/07363/FULL Awaiting decision

  36 Kilravock Street London W10 4HX

  Demolition of existing rear/side extension and construction of a new extension together with new glazing and doors, and changing the existing rooflights to the rear roof slope with new rooflights.

  Received 28 Oct, published by the council 2 Nov 2026 Full applications
• 26/07371/FULL Awaiting decision

  8A Randolph Road London W9 1AN

  Amalgamation of two residential units with internal refurbishment and reconfiguration. (Linked with 26/07372/LBC)

  Received 28 Oct, published by the council 2 Nov 2026 Full applications