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Planning application

York Mansions Chiltern Street London W1U 5AL

Granted Westminster 23/00263/NMA Non-material amendments

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Amendments to planning permission dated 15th July 2021 (RN: 21/03563/COFUL) for 'replacement of 6 flat entrance doors with compliant fire doors' NAMELY, alteration in style of the proposed doors and replacement of additional doors.

As published by the council, reference 23/00263/NMA

Application record

Reference
23/00263/NMA
Type
Non-material amendments
Status
Decided
Decision
Granted As published: Application Permitted
Received
16 Jan 2023
Validated
1 Feb 2023
Decided
15 Feb 2023
Ward
Marylebone
Decision by
Delegated Decision
Postcode
W1U 5AL

Timeline

Dates from the published record

  1. 16 Jan 2023

    Received by Westminster

  2. 1 Feb 2023

    Validated

    Checked as complete and ready for consideration.

  3. 15 Feb 2023

    Decision issued: Application Permitted

  4. 1 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

JD Clayton Ltd Agent, registered in Lowestoft

Active · incorporated 2018 · Lowestoft

19 applications on PlanIndex · across 3 councils · 100% granted

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Documents

Plans, drawings, consultee responses and the officer's report

24 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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What this grant of permission means

Westminster granted permission on 15 February 2023, 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.

Nearby applications

Within 0.3 miles

  • 7 York Mansions Chiltern Street London W1U 5AL

    03/04543/FULL Submitted 10 Jun 2003 50 yards away

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    Granted Full applications Windows or glazing 6 docs
  • 7 York Mansions Chiltern Street London W1U 5AL

    03/04432/LBC Submitted 6 Jun 2003 50 yards away

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  • 82A Chiltern Street London W1U 5AQ

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  • 82A Chiltern Street London W1U 5AQ

    26/07231/ADFULL Submitted 22 Oct 2026 50 yards away

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    26/01860/FULL Submitted 23 Mar 2026 50 yards away

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  • 120 Baker Street London W1U 6TU

    26/05775/FULL Submitted 24 Aug 2026 50 yards away

    88% historically approved · decision due ~19 Oct

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In Westminster

  • 26/07459/NMA Awaiting decision

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    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.

    Received 3 Nov, published by the council 5 Nov 2026 Amendments
  • 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.

    Received 2 Nov, published by the council 6 Nov 2026 Amendments
  • 26/07389/NMA Decided

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    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

    Received 28 Oct, published by the council 3 Nov 2026 Amendments
  • 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.

    Received 28 Oct, published by the council 3 Nov 2026 Amendments