26/02872/NMA

1. 30 Apr 2026

   Received by Westminster

2. 13 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

This application is with Westminster for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.

More on amendments applications in our guide

• 25/09032/ADFULL Granted

  88 Cambridge Street London SW1V 4QG

  Details of the new windows on the Clarendon Street elevation to match the existing adjacent windows pursuant to condition 4 (a) of planning permission dated 13th November 2025 (RN: 25/06404/FULL)

  12 Dec 2025 0m away Full applications
• 25/05397/FULL Granted

  106G Cambridge Street London SW1V 4QG

  Installation of replacement double glazed windows at fourth floor level.

  1 Aug 2025 25m away Full applications
• 26/02491/FULL Awaiting decision

  2 Sussex Street London SW1V 4RU

  Infill extension to front/side lightwell at lower ground floor level, excavation beneath four existing vaults, creation of new windows and door and installation of new stairs to front basement lightwell

  15 Apr 2026 27m away Full applications
• 25/06404/FULL Granted

  88 Cambridge Street London SW1V 4QG

  Reinstatement of windows to the ground, first and second floor levels on the Clarendon Street elevation.

  8 Sep 2025 27m away Full applications
• 25/06878/TCA Granted

  89 Cambridge Street London SW1V 4PY

  1 x Ginko: crown lift by 0.5m, reduce lower lateral branches to ensure clearance from property and adjacent tree and to allow light into garden and neighbours garden. Reduce crown height by 5m and lightly reduce overlong branches by upto 1m as required to shape and balance.

  24 Sep 2025 41m away Trees
• 25/06051/FULL Granted

  73 Alderney Street London SW1V 4HH

  Replacement of first floor railings with traditional concrete balustrade, replacement of front door and existing porch glazing, and replacement of front door at 73a.

  25 Aug 2025 47m away Full applications

• 26/04962/NMA Awaiting decision

  Serpentine Gallery Kensington Gardens Exhibition Road London W2 3XA

  Amendments to planning permission dated 27 February 2025 (RN: 24/08940/FULL) for the installation of temporary art sculpture from 24 March 2025 to 09 September 2025; NAMELY to extend the temporary planning consent until 21st March 2027.

  24 Jul 2026 Amendments
• 26/04951/NMA Awaiting decision

  43 - 45 Portman Square London W1H 6LY

  Amendments to planning permission dated 22 April 2026 (25/06153/FULL) for: Variation of Condition 1 of planning permission dated 7 April 2025 (24/04987/FULL) for: Partial demolition of the existing roof and removal of plant equipment; construction of a roof extension providing new office (Class E) floorspace with associated external amenity spaces and plant equipment; refurbishment of the existing building, including infilling of the existing atrium; alterations to the existing façade; provision of cycle parking spaces and end of journey facilities, and all associated and ancillary works NAMELY; to amend the wording of Condition 27 to allow basement demolition work to proceed.

  23 Jul 2026 Amendments
• 26/04873/NMA Awaiting decision

  Orbis House 5 Mansfield Street London W1G 9NG

  Amendments to planning permission dated 05 September 2024 (RN: 24/01895/FULL) for: new courtyard surface including walk-on rooflight; window and door alterations; new window to Mansfield Mews at second floor level; new rooflights; repairs to roof and external brickwork; erection of new staircase in front area lightwell; partial infill of rear lightwell at ground floor level; erection of roof terrace; installation of PV panels at roof level; and associated works namely; to allow provision of guarding system to provide safe access for maintenance across the roof; alteration at south elevation omitting window SFW11 from the new WC, remove the existing RWP from the internal courtyard corner, removal of the existing plastic section of a redundant vent pipe at lower level and retain original lead; new cast iron rain water pipes at west elevation; and internal layout alterations at basement, ground, 2nd, 3rd floors. (Linked with 26/04876/LBC)

  21 Jul 2026 Amendments
• 26/04870/NMA Awaiting decision

  34 Park Street London W1K 2JD

  Amendments to planning permission dated 8 May 2026 (25/07808/FULL) for general refurbishment and M&E upgrade of the office building namely; roof walkable skylight, GF meeting room wall mounted TV, garden bench and planters, fire lobbies, L4 glass partition, reception to hall door swing change, front lightwell electric cupboard change, wall panelling on LGF and L5, LGF modular screen, LGF courtyard window door infill, and LGF cove lighting.

  21 Jul 2026 Amendments
• 26/04816/NMA Awaiting decision

  Ebury Bridge Estate Ebury Bridge Road London SW1W 8PX

  Amendments to planning permission dated 21 July 2023 (RN:23/00331/COOUT) for a mixed use development in outline for residential floorspace and ancillary residential facilities (Class C3) non-residential floorspace comprising flexible retail (Classes A1 - A4), community (Class D1), leisure (Class D2) and workspace (Class B1) floorspace; provision of basement; new pedestrian and vehicular access; and associated amenity space, open space, plant, landscaping, car and cycle parking, refuse storage, servicing area, and other associated infrastructure works; and detailed planning consent for Blocks 7 and 8 comprising residential floorspace and ancillary residential facilities (Class C3); provision of a basement; new pedestrian and vehicular access; and associated amenity space landscaping, car and cycle parking, refuse storage, servicing area, and other associated infrastructure works, namely amendments to the approved Masterplan Phasing to incorporate enabling works and piling in Phase 2a and 3a.

  20 Jul 2026 Amendments