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.
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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)
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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
923 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
In Westminster
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26/07459/NMA Awaiting decision
1 Hanover Square London W1S 1HA
Amendments to planning pemrission dated 10 October 2025 (RN: 25/01558/FULL) for the: Partial demolition, refurbishment and extension of the existing building to provide a sub-basement, basement, ground plus eight storey building; infilling and stepped rear extension; excavation of a new sub-basement level; installation of new plant equipment at basement and roof level; terraces at fourth, fifth, sixth, seventh and eighth floor levels; soft and hard landscaping; reprovision of car parking; new cycle parking facilities; and associated external works. Use of the building for retail and/or restaurant (Class E) on part ground floor and office (Class E) on all other floors. NAMELY, to allow alterations to the design of the ground floor frontages on Hanover Square and St George Street.
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26/07438/NMA Awaiting decision
29 - 31 Hill Street London W1J 5LS
Amendments to planning permission dated 1st July 2025 (RN 25/01006/FULL) for the external alterations at roof level including the creation of Level 04 roof terrace for use in association with existing office (Class E), replacement and installation of new plant and landscaping, replacement of windows, introduction of louvres, removal and replacement of rooflights, installation of new rooflight and other associated works. NAMELY, for alterations comprising of the removal of window sash boxes and weights, changes to the window mullion arrangement, the removal of two sash windows, the installation of secondary glazing, the removal of existing chamber hatch and installation of extract vent and integrated bench, the external replacement of rainwater goods and hoppers, the removal of bricks and installation of airbricks, minor demolition works, replacement of roof covering, removal of ductwork, roof plant rearrangement, the installation of a new external door to plant area, minor layout alterations and other associated works.
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26/07389/NMA Decided
Flat 1 5 Grittleton Road London W9 2DD
Amendments to planning permission dated 04 June 2025 (RN: 25/02022/FULL), NAMELY, amendment of Condition 4 to correct the property address from 9 Aldridge Road Villas to Flat 1 5 Grittleton Road.
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26/07377/NMA Awaiting decision
60 Ledbury Road London W11 2AJ
Amendments to planning permission dated 2nd October 2025 (RN 25/04018/FULL) for the Partial demolition, refurbishment, and erection of a mansard roof extension to form a new third floor with dormers to front, side and rear elevations; to form 6 flats (Class C3) on upper floors; external plant equipment and ductwork; lower ground floor excavation to increase floor to ceiling height; replacement windows; cycle parking and associated external alterations; use of the part ground floor and lower ground floor as retail and restaurant (Class E). Site includes 60-68 Ledbury Road) NAMELY, An amendment to the basement and ground floor drawing reference numbers; amendment to the description of development, in reference to restaurant and or retail use; and amendments to C
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26/07375/NMA Awaiting decision
77 Hereford Road London W2 5BB
Amendments to planning permission dated 4th August 2026 (RN 26/03970/FULL) for the Replacement of roof terrace access stair with glazed hatch, new timber decking and front and rear roof railings to roof terrace, with infilling side window of closet wing. NAMELY, Hinged hatch access substituted by sliding hatch.