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Planning application

99 Seymour Place London W1H 5TG

Granted Westminster 23/00649/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 6th August 2021 (RN: 21/02711/FULL) for modification of rear elevation to enable replacement of distinct and separated car garage door and pedestrian door with unified high-quality solution NAMELY, internal reconfiguration of lower ground floor level.

As published by the council, reference 23/00649/NMA

Application record

Reference
23/00649/NMA
Type
Non-material amendments
Status
Decided
Decision
Granted As published: Application Permitted
Received
2 Feb 2023
Validated
10 Feb 2023
Decided
16 Mar 2023
Ward
Marylebone
Decision by
Delegated Decision
Postcode
W1H 5TG

Timeline

Dates from the published record

  1. 2 Feb 2023

    Received by Westminster

  2. 10 Feb 2023

    Validated

    Checked as complete and ready for consideration.

  3. 16 Mar 2023

    Decision issued: Application Permitted

  4. 14 Sep 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Cohanim Architecture Agent, an architecture practice

36 applications on PlanIndex · across 15 councils · 71% granted

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Documents

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

11 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 16 March 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

  • Flat 2 Bryan Court Seymour Place London W1H 2NE

    07/10116/FULL Submitted 20 Nov 2007 50 yards away

    Erection of a single storey rear extension and railings on roof of existing electricity sub station in connection with use as a terrace

    Granted Full applications Extension 7 docs
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  • Flat 2 Bryan Court Seymour Place London W1H 2NE

    07/03454/FULL Submitted 19 Apr 2007 50 yards away

    Erection of single storey rear extension at upper ground level (on roof of existing electrical substation) and use of remaining substation roof as terrace. (Site faces Bryanston Mews West)

    Withdrawn Full applications Extension 7 docs
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  • Bryan Court Seymour Place London W1H 2NE

    05/09552/FULL Submitted 23 Nov 2005 50 yards away

    Erection of a two storey roof extension with terraces at fourth and fifth floors to provide new three bedroom flat. Erection of single storey extension at rear ground floor level (Bryanston Mews elevation), enlargement of balconies at rear and replacement of windows to all flats. New entrance and canopy including railings to Seymour Place and new windows to the front and rear. (Revised application)

    Withdrawn Full applications New dwelling Extension +1 9 docs
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  • Bryan Court Seymour Place London W1H 2NE

    08/04812/FULL Submitted 30 May 2008 50 yards away

    Alterations during the course of construction to a scheme granted planning permission dated 4 January 2007 (RN: 06/03470), namely fenestration to penthouse rear elevation, stair tower fenestration, top of stair tower, front entrance design and support to extended rear balconies incorporating brick support walls to basement level.

    Granted Full applications Windows or glazing 20 docs
  • Bryan Court Seymour Place London W1H 2NE

    10/00803/NMA Submitted 2 Feb 2010 50 yards away

    Amendments to planning permission dated 04.01.2007 (RN:06/03470/FULL) for erection of single storey roof extension to create a penthouse flat with terrace; enlarge rear balconies to existing flats; installation of replacement railings and windows; alterations to main entrance - namely to increase in depth of balcony extensions by 600mm keeping within site boundary.

    Refused Amendments New dwelling Extension +1 3 docs
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  • Bryan Court Seymour Place London W1H 2NE

    09/06534/ADFULL Submitted 10 Aug 2009 50 yards away

    Details of samples of cast stone pursuant to Condition 5 of planning permission dated 4 January 2007 (RN:06/03470).

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

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    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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    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

    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