Planning application
334 - 348 Oxford Street London W1C 1JG
Works: Extension Demolition
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Amendments to planning permission dated 1st March 2022 (RN 21/05110/FULL) Alterations and extensions to, and partial demolition of, existing building to provide partly extended and refurbished, and partly new, building comprising deepened basement, ground, and nine upper floors (including ninth floor Class E space and plant enclosure) to provide commercial, business and service (Class E) use, replacement facades and shopfronts, installation of new plant, provision of cycle parking and other associated works. NAMELY, additional roof gantries; Updates to handrails to accessible zones and gantries; Additional step-overs to access zones; and Tenant roof kit locations, in line with associated amendments.
As published by the council, reference 25/08998/NMA
Application record
- Reference
- 25/08998/NMA
- Type
- Non-material amendments
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 11 Dec 2025
- Validated
- 11 Dec 2025
- Decided
- 11 Mar 2026
- Ward
- West End
- Decision by
- Delegated Decision
- Postcode
- W1C 1JG
Site history
Applications at this address on the Westminster register
This site has had 5 applications since 2025: 3 approved, 0 refused.
-
26/04762/ADFULL Awaiting decision
334 - 348 Oxford Street London W1C 1JG
Details of GLA whole life carbon assessment / post completion report pursuant to conditions 25 and 26 of planning permission dated 27 January 2022 (RN: 21/05110/FULL)
-
26/02446/ADFULL Awaiting decision
334 - 348 Oxford Street London W1C 1JG
Details of the system of mechanical ventilation, in accordance with the submitted Ventilation and Extract Statement pursuant to condition 28 of planning permission dated 1st March 2022 (RN: 21/05110/FULL).
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25/06639/ADFULL Granted
334 - 348 Oxford Street London W1C 1JG
Details of how waste is to be stored on site and how materials for recycling will be stored separately and Servicing Management Plan pursuant to Conditions 13 and 18 of planning permission dated 1st March 2022 (RN: 21/05110/FULL).
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25/05707/ADFULL Granted
334 - 348 Oxford Street London W1C 1JG
Details of facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to Condition 6(Part), namely details of materials for use at roof level, of planning permission dated 28 September 2021 (RN: 21/05110/FULL)
Timeline
Dates from the published record
-
11 Dec 2025
Received by Westminster
-
11 Mar 2026
Decision issued: Application Permitted
-
20 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Newmark LLP Agent
921 applications on PlanIndex · across 40 councils · 97% granted
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.
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Open the documentsWhat this grant of permission means
Westminster granted permission on 11 March 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
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.
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Other amendment applications
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26/06232/NMA Awaiting decision
37 Trevor Place London SW7 1LE
Amendments to planning permission dated 17th July 2026 (RN 26/03030/FULL) for the Alterations including enlargement of louvres and installation of new plant in basement; landscaping of roof terrace; second floor windows replaced with door sets; partial demolition at ground and first floor levels to create new lightwell and landscaped courtyard. NAMELY, addition of a free-standing sauna to the second-floor roof terrace.
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26/06256/NMA Awaiting decision
Queens Court Queensway London W2 4QN
Amendments to planning permission dated 21st May 2026 (RN:25/05013/FULL) for Variation of conditions 1, 3, 8, 9 and 17 of planning permission dated 11th May 2022 (RN 18/09765/FULL) for the Change of use of rear part of Queensway Market to Retail, Financial and Professional services, Office and Restaurant (within Class E) use and 5 residential units facing Princes Court, reconfiguration of retail units along Queensway including introduction of Retail uses at Nos.23 and 33 (current entrances to Queensway Market) and use of Nos.25 and 41-43 Queensway as Restaurant uses, installation of new shopfronts to Nos.23 to 43 Queensway 23-43, erection of infill extension to rear at ground floor level, erection of two new pavilion structures for Retail use and associated new hard and soft landscaping on land between Queens Court and Princes Court, installation of green roofs, rooflights and mechanical plant within enclosures to first floor level roofs between projecting rear wings of Queens Court installation of kitchen extract ducts to rear elevations, and associated cycle parking, waste storage, plant and other ancillary alterations ('Application 2'). Namely, to vary the hours of operation for the refrigeration plant controlled by condition 6.
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26/06251/NMA Awaiting decision
19 Cumberland Street London SW1V 4LS
Amendments to planning permission dated 20th March 2026 (RN:25/08960/FULL) for Lower ground floor rear infill extension with terrace above, replacement of rear first floor conservatory, new roof level rear single dormer with access to third floor roof terrace, alterations to windows and external refurbishment, namely the change of conservatory gable roof to a flat GRP roof.
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26/06201/NMA Awaiting decision
Almack House 28 King Street St James's London SW1Y 6QW
Amendments to planning permission dated 16th April 2026 (RN:26/01487/FULL) for Installation of a mechanical plant at lower ground floor and installation of two grilles to two lower ground floor windows, namely change to approved grille.
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26/06212/NMA Awaiting decision
10 - 11 Lancaster Gate London W2 3LH
Amendment to Condition 12 (Whole Life Carbon) of planning permission dated 19th April 2024 (RN 23/04044/FULL) for Change of use from hotel to residential use (Class C3) with associated internal alterations to create 11 new units and external alterations comprising reconfiguration and recladding of the rear extension and restoration of the existing building. Namely to include additional requirement to evidence and justify where benchmarks cannot be achieved, consider mitigation measures and if none, evidence that all mitigation measures have been exhausted. (Linked with RN 26/06213/ADFULL)