Parliamentary Estate Parliament Street London SW1A 2NU

This site has had 5 applications since 2026.

• 26/03093/FULL Awaiting decision

  Parliamentary Estate Parliament Street London SW1A 2NU

  Excavation of trial trenches within and adjacent to the Northern Parliamentary Estate. (Linked with 26/03094/LBC)

  Submitted 11 May 2026 Full applications
• 26/03094/LBC Awaiting decision

  Parliamentary Estate Parliament Street London SW1A 2NU

  Excavation of trial trenches within and adjacent to the Northern Parliamentary Estate. (Linked with 26/03093/FULL)

  Submitted 11 May 2026 Heritage and listed buildings
• 26/02699/FULL Awaiting decision

  Parliamentary Estate Parliament Street London SW1A 2NU

  Installation of a borehole and associated works, including plant and pipework, with internal basement alterations and temporary works (Linked to 26/02700/LBC)

  Submitted 23 Apr 2026 Full applications
• 26/02700/LBC Awaiting decision

  Parliamentary Estate Parliament Street London SW1A 2NU

  Installation of a borehole and associated works, including plant and pipework, with internal basement alterations and temporary works (Linked to 26/02699/FULL)

  Submitted 23 Apr 2026 Heritage and listed buildings

1. 29 Jul 2026

   Received by Westminster

2. 9 Aug 2026

   Added to PlanIndex

• 26/03093/FULL Awaiting decision

  Parliamentary Estate Parliament Street London SW1A 2NU

  Excavation of trial trenches within and adjacent to the Northern Parliamentary Estate. (Linked with 26/03094/LBC)

  Submitted 11 May 2026 Full applications
• 26/03094/LBC Awaiting decision

  Parliamentary Estate Parliament Street London SW1A 2NU

  Excavation of trial trenches within and adjacent to the Northern Parliamentary Estate. (Linked with 26/03093/FULL)

  Submitted 11 May 2026 Heritage and listed buildings

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

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.

• 1 Parliament Street London SW1A 2NE

  26/06876/LBC Submitted 8 Oct 2026 50 yards away

  90% historically approved · decision due ~3 Dec

  Alterations to the existing Colonnade at 1 Parliament Street, including installation of infill structures within the Colonnade arches, relocation of the frontage to the Colonnade line, associated internal alterations, stone repair and cleaning works, and associated ancillary works. (Linked with 26/06875/FULL)

  Awaiting decision Heritage and listed buildings Extension

• 1 Parliament Street London SW1A 2NE

  26/06875/FULL Submitted 8 Oct 2026 50 yards away

  88% historically approved · decision due ~3 Dec

  Alterations to the existing Colonnade at 1 Parliament Street, including installation of infill structures within the Colonnade arches, relocation of the frontage to the Colonnade line, associated internal alterations, stone repair and cleaning works, and associated ancillary works. (Linked with 26/06876/LBC)

  Awaiting decision Full applications Extension

• Parliamentary Estate Parliament Street London SW1A 2NU

  26/02699/FULL Submitted 23 Apr 2026 50 yards away

  88% historically approved · decision due ~18 Jun

  Installation of a borehole and associated works, including plant and pipework, with internal basement alterations and temporary works (Linked to 26/02700/LBC)

  Awaiting decision Full applications 1 doc

• Parliamentary Estate Parliament Street London SW1A 2NU

  26/02700/LBC Submitted 23 Apr 2026 50 yards away

  90% historically approved · decision due ~18 Jun

  Installation of a borehole and associated works, including plant and pipework, with internal basement alterations and temporary works (Linked to 26/02699/FULL)

  Awaiting decision Heritage and listed buildings 1 doc

• Parliamentary Estate Parliament Street London SW1A 2NU

  26/03093/FULL Submitted 11 May 2026 50 yards away

  88% historically approved · decision due ~6 Jul

  Excavation of trial trenches within and adjacent to the Northern Parliamentary Estate. (Linked with 26/03094/LBC)

  Awaiting decision Full applications 5 docs

• Parliamentary Estate Parliament Street London SW1A 2NU

  26/03094/LBC Submitted 11 May 2026 50 yards away

  90% historically approved · decision due ~6 Jul

  Excavation of trial trenches within and adjacent to the Northern Parliamentary Estate. (Linked with 26/03093/FULL)

  Awaiting decision Heritage and listed buildings 3 docs

• 26/07181/NMA Awaiting decision

  Newlands House 37 - 40 Berners Street London W1T 3NA

  Amendments to planning permission dated 9th October 2025 (RN:25/04048/FULL) forInfilling of the ground floor undercroft along Mortimer Street (Class E), replacement of ground floor frontage to the whole building and refurbishment of the upper floor facades. Namely, alterations to the approved green roof area at the site.

  Received 21 Oct, published by the council 22 Oct 2026 Amendments
• 26/07132/NMA Awaiting decision

  157 - 159 Victoria Street London SW1E 5NA

  Amendments to planning permission dated 27 August 2026 (RN: 26/04666/FULL) for the: Installation of combined defibrillator and bleed kit cabinets to external wall of Nationwide Building Society branch. NAMELY, to allow alteration to design of combined defibrillator and bleed kit cabinet.

  Received 19 Oct, published by the council 20 Oct 2026 Amendments
• 26/07086/NMA Awaiting decision

  Windsor House 50 Victoria Street London SW1H 0TL

  Amendments to planning permission dated 18th September 2026 (RN 26/01445/FULL) for the Refurbishment of Windsor House and Christchurch House (excluding residential part), including re-cladding and amendment of facades, replacement of windows, new end-of-trip facilities, installation of roof-level plant and screening, and associated works, to provide office, retail, restaurant and indoor recreation accommodation (Class E) with amenity spaces, including a new roof level pavilion to Christchurch House and link bridge between Windsor House and Christchurch House. NAMELY, amendments to the wording of Conditions 1, 11, 12, 13,14, 15 and 26.

  Received 16 Oct, published by the council 20 Oct 2026 Amendments
• 26/07071/NMA Awaiting decision

  London School Of Economics & Political Science Houghton Street London WC2A 2AE

  Amendments to planning permission dated 21st Februrary 2018 (RN:17/05855/FULL) for Variation of Condition 1 of planning permission dated 19 October 2016 (RN:16/05155/FULL) for demolition of existing buildings known as Clare Market, The Anchorage, the East Building, St Clements (partial) and Tower One (partial) and redevelopment to provide replacement interconnected academic facilities for Class D1 and ancillary uses, comprising a two storey basement, a part six storey / part 13 storey building and a seven storey core extension to the St Clements building and associated cycle parking and other works; all arranged around a new public square namely, removal of two cycle stands.

  Received 15 Oct, published by the council 16 Oct 2026 Amendments
• 26/06211/NMA Decided

  15 Portland Place London W1B 1PT

  Amendments to planning permission dated 21 July 2022 (RN:22/03521/FULL) which varied Condition 5 of planning permission dated 11 April 2018 (17/10815/FULL) for: Use of the building for a temporary period of 20 years as a medical use (Use Class D1) personal to OM Tower LLP namely to amend the wording of Condition 3 to omit the words " No one else may benefit from this permission" to allow the use by third party practitioners.

  Received 10 Sep, published by the council 16 Sep 2026 Amendments