Planning application
15 Portland Place London W1B 1PT
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Amendments to planning permission dated 21th July 2022 (RN:22/03521/FULL) for Variation of condition 5 of planning permission dated 11th April 2018 (17/10815/FULL) for the Use of the building for a temporary period of 20 years as a medical use (Use Class D1) personal to OM Tower LLP. Namely, to amend condition 3.
As published by the council, reference 26/06211/NMA
Application record
- Reference
- 26/06211/NMA
- Category
- Amendments
- Status
- Pending
- Received
- 10 Sep 2026
- Validated
- 10 Sep 2026
- Postcode
- W1B 1PT
Timeline
Dates from the published record
-
10 Sep 2026
Received by Westminster
-
16 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 5 November 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 64 days over the applications it decided in the last year.
What 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 amendment applications in a median of 54 days. More in our guide to how long planning decisions take.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 500 metres
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19 Portland Place London W1B 1PX
87% historically approved · decision due ~16 Oct
Details of welsh slate, junctions of secondary slope to existing slope and top edge termination and specification of conservation rooflight pursuant to Condition 5 of planning permission dated 27 June 2024 (RN23/05916/FULL) (Linked Installation air conditioning units at roof level within plant enclosure; secondary glazing to all windows; replacement of two doors with fire-rated matching doors; and works to fire proof existing doors and the installation of a partition to the existing vault to fire proof a lift motor. (Linked with 24/05961/ADLBC)
Awaiting decision Full applications Loft or dormer Windows or glazing 8 docs -
1 Portland Place London W1B 1PR
89% historically approved · decision due ~24 Sep
Detailed drawings of visual screening for the new plant in the front area lightwell pursuant to Condition 6 of planning permission dated 27th June 2025 (RN: 25/03113/FULL).
Decided -
21 Portland Place London W1B 1PY
Replacement of lift and increase the width of the existing lift entrances to enable wheelchair access.
Granted Heritage and listed buildings 24 docs -
21 Duchess Mews London W1G 9DY
Internal alterations to the kitchen, ground floor WC and first floor bathroom.
Granted Heritage and listed buildings 12 docs -
Flat 43 2 Mansfield Street London W1G 9NF
90% historically approved · decision due ~12 May
Installation of external air conditioning unit at roof level and associated cabling and pipework. (Linked with 26/00589/FULL)
Awaiting decision Heritage and listed buildings 2 docs -
Flat 43 2 Mansfield Street London W1G 9NF
87% historically approved · decision due ~12 May
Installation of external air conditioning unit at roof level and associated cabling and pipework. (Linked with 26/00590/LBC)
Awaiting decision Full applications 22 docs
Other amendment applications
In Westminster
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26/06160/NMA Awaiting decision
The Arcade Dolphin Square London SW1V 3LX
Amendments to planing permission dated 11 June 2025 (RN: 25/01157/FULL) for: Alterations to the ground floor of Rodney House including the shopping arcade, with the introduction of new shopfronts to the Chichester Street frontage; new entrances with accessible ramps for accessibility; and associated works. Namely, amendments to the treatment of the end bays of the Chichester Street elevation
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26/06071/NMA Awaiting decision
3 - 6 Kenrick Place London W1U 6HD
Amendments to planning permission dated 29th April 2026 (RN 26/01390/FULL) for the Erection of new rear dormer, refurbishment of the existing windows (excluding the ground floor shopfront glazing to No. 6 Kenrick Place) with new painted timber framed double glazed units, replacement of glazed roof lantern with a new metal framed roof lantern, installation of four new condenser units at roof level, installation of timber doors and Juliet balcony railing to front elevation, installation of two rooflights to the west facing pitched roof, installation of frosted manifestation film to a small number of west elevation window panes and installation of access door, safety balustrading and safety access walkway at roof level. NAMELY, to provide updated Environmental Noise Survey and HVAC Plant Noise Impact Analysis' report document with version 4.0 (dated 3rd August 2026). The changes to the report reflect the assessment based on a different window within the lightwell, which the neighbour identified as being a bedroom (previously assumed to be a bathroom). This has resulted in a change to insertion loss requirements for the plant enclosure.
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26/06050/NMA Decided
8 - 10 Great George Street London SW1P 3AE
Amendments to planning permission dated 08 November 2019 (RN: 19/02730/FULL) for the Use of part ground and upper floors as a 134-room hotel (Class C1); use of part lower ground as a leisure suite (Class D2); use of ground floor as restaurant/bar (Class A3/A4), external alterations, including demolition to include the removal of the rooftop plant enclosures and replacement with a single-storey extension, remodelling of the Little Sanctuary elevation and introduction of balconies and lightwells. NAMELY, to amend the description of development so that the reference to a 134-room hotel is amended to identify 134 rooms as the maximum number of hotel rooms permitted as part of the development.
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26/06009/NMA Awaiting decision
64 St James's Street London SW1A 1NF
Amendments to planning permission dated 02 September 2021 (RN: 21/02158/FULL) for the: Demolition of the existing mansard roof and removal of plant and escape stair; erection of new double mansard roof extension and rear extension for additional commercial floorspace (Use Class E); and installation of new escape stair, rear balconies, roof terrace and associated works. NAMELY, increase the footprint of the rooftop plant enclosure and increase the height of the roof-level railing, necessitated by a revised roof level.
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26/05886/NMA Awaiting decision
10 Spring Gardens London SW1A 2BN
Amendments to planning permission dated 10 July 2025 (RN: 25/00695/FULL) for the use of part-ground, first, sixth, seventh and eighth floor levels as an Embassy (sui generis). Associated external alterations to the ground floor facade on Carlton House Terrace, and part ground floor to Piazza (Spring Gardens) frontage. External alterations to the doors. Installation of roof plant and security screens to the eighth floor; Namely, the addition of external attached building signage on the west elevation and south elevation, addition of two flagpoles on the west elevation, additional of a parcel pass through, rather than a fixed panel to the door on the north elevation and omission of a smoke vent and replacement paving to match existing paving.