3 Blenheim Road London NW8 0LU

This site has had 5 applications since 2026.

• 26/05863/ADFULL Awaiting decision

  3 Blenheim Road London NW8 0LU

  Details of Trees pursuant to Condition 10 of planning permission 18 January 2024 (RN:22/04886/FULL)

  Submitted 26 Aug 2026
• 26/05589/LBC Decided

  3 Blenheim Road London NW8 0LU

  Excavation of single-storey basement extension with lightwells to front and rear gardens; Erection of single-storey extension to rear and three-storey extension to side; Formation of door to rear at lower ground floor level; Landscaping works; and associated external alterations; Internal alterations, including changes to planform and replacement of fireplace at lower-ground floor level.

  Submitted 17 Aug 2026 Heritage and listed buildings
• 26/03112/ADFULL Awaiting decision

  3 Blenheim Road London NW8 0LU

  Details of all flood resilient and resistant measures shall be submitted; pursuant to condition 5 of planning permission dated 19th January 2024 (RN 22/04886/FULL)

  Submitted 12 May 2026 Full applications
• 26/03113/ADFULL Awaiting decision

  3 Blenheim Road London NW8 0LU

  Details of the ways in which you will protect the trees which you are keeping, as shown on drawing Barrell Plan Ref: 18215-1 pursuant to condition 10 of planning permission dated 18th January 2024 (RN:22/04886/FULL)

  Submitted 12 May 2026 Full applications

1. 24 Aug 2026

   Received by Westminster

2. 28 Aug 2026

   Added to PlanIndex

3. 17 Sep 2026

   Status changed to Decided

   Previously Pending.

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.

• 3 Blenheim Road London NW8 0LU

  26/05863/ADFULL Submitted 26 Aug 2026 50 yards away

  89% historically approved · decision due ~21 Oct

  Details of Trees pursuant to Condition 10 of planning permission 18 January 2024 (RN:22/04886/FULL)

  Awaiting decision Trees

• 3 Blenheim Road London NW8 0LU

  26/05589/LBC Submitted 17 Aug 2026 50 yards away

  90% historically approved · decision due ~12 Oct

  Excavation of single-storey basement extension with lightwells to front and rear gardens; Erection of single-storey extension to rear and three-storey extension to side; Formation of door to rear at lower ground floor level; Landscaping works; and associated external alterations; Internal alterations, including changes to planform and replacement of fireplace at lower-ground floor level.

  Decided Heritage and listed buildings Extension
  Small domestic

• 10 Blenheim Road London NW8 0LU

  25/07275/ADFULL Submitted 8 Oct 2025 50 yards away

  Details of Code of Construction Practice pursuant to condition 19 of planning permission dated 8th June 2022 (RN:21/05522/FULL)

  Granted Full applications 6 docs

• 9 Blenheim Road London NW8 0LU

  26/01946/ADFULL Submitted 25 Mar 2026 50 yards away

  88% historically approved · decision due ~20 May

  Details of the ways in which you will protect the trees which you are keeping, as shown on drawing 02.010 pursuant to condition 8 of planning permission dated 19th March 2026 (RN:25/08190).

  Awaiting decision Full applications Trees 6 docs

• 4 Blenheim Road London NW8 0LU

  26/01182/TCA Submitted 25 Feb 2026 50 yards away

  100% historically approved · decision due ~22 Apr

  Works: 2 x poplars (rear): crown reduce to previous (most recent) pollard points (at about height of approx. 8m).

  Awaiting decision Trees 6 docs

• 3 Blenheim Road London NW8 0LU

  26/03113/ADFULL Submitted 12 May 2026 50 yards away

  88% historically approved · decision due ~7 Jul

  Details of the ways in which you will protect the trees which you are keeping, as shown on drawing Barrell Plan Ref: 18215-1 pursuant to condition 10 of planning permission dated 18th January 2024 (RN:22/04886/FULL)

  Awaiting decision Full applications Trees 10 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