Planning application
46 Portland Place London W1B 1NF
Works: Extension Demolition Windows or glazing Domestic
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Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
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)
As published by the council, reference 26/02183/CLEUD
Application record
- Reference
- 26/02183/CLEUD
- Type
- Certificate of Lawfulness (existing)
- Status
- Pending
- Received
- 1 Apr 2026
- Validated
- 1 Apr 2026
- Ward
- West End
- Postcode
- W1B 1NF
Site history
Applications at this address on the Westminster register
This site has had 4 applications since 2026.
-
26/05632/FULL Decided
46 Portland Place London W1B 1NF
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)
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26/04128/LBC Awaiting decision
46 Portland Place London W1B 1NF
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.
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26/04113/LBC Decided
46 Portland Place London W1B 1NF
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)
Timeline
Dates from the published record
-
1 Apr 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 27 May 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.
Who's behind it
Company information only, from the register and Companies House
HUB Architects and Designers Ltd. Agent, an architecture practice registered in Pinner
Active · incorporated 2006 · Pinner
15 applications on PlanIndex · across 4 councils
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
14 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 documentsWhat happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided lawful development applications in a median of 107 days. More in our guide to how long planning decisions take.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
46 Portland Place London W1B 1NF
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
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
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 -
44 Portland Place London W1B 1NE
Details of new decorative plaster work/restoration works to existing decorative plaster work pursuant to Condition 5 (vii) of planning permission dated 08 February 2023 (RN:22/06619/LBC)
Granted Conditions 12 docs -
52 Portland Place London W1B 1NH
88% 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 25/08377/LBC)
Awaiting decision Full applications Demolition 41 docs -
52 Portland Place London W1B 1NH
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
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26/07339/CLOPUD Awaiting decision
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Use of part of ground floor reception area within Class E including, but not limited to, a retail café (Class E(a)).
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Installation of Solar Gard Stainless Steel 20 solar control film to the internal face of the existing fifth-floor glazing.
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26/07293/CLOPUD Awaiting decision
4 Kildare Gardens London W2 5LU
Installation of one air source heat pump on the ground in the rear garden, about 447mm from the southern boundary fence and 5612 mm from the rear wall of the building, mounted on anti-vibration feet on stone pavers, with no enclosure or housing. Includes insulated flow and return pipework and a power supply into the lower ground floor plant room. Proposed as permitted development under Schedule 2, Part 14, Class G of the GPDO 2015 (as amended).
-
26/07294/CLOPUD Awaiting decision
6 - 7 Clifford Street London W1S 2FT
Installation of a new glazed door and associated glazing infill at fifth-floor terrace level, with glazing to match the existing.
-
26/07290/CLEUD Awaiting decision
82A Chiltern Street London W1U 5AQ
Confirmation that digging of trench to contain part of foundations is lawful and that planning permission 23/03464/FULL dated 30 October 2023 commenced before expiry of the three year time period.