17 Alexander Street London W2 5NT

This site has had 4 applications since 2020: 2 approved, 0 refused.

• 26/05150/ADFULL Decided

  17 Alexander Street London W2 5NT

  Details of new railings pursuant to condition 6 of planning permission dated 04 June 2026 (RN: 25/08229/FULL)

  Decided 5 Aug 2026
• 25/08229/FULL Granted

  17 Alexander Street London W2 5NT

  Erection of rear extension at lower ground floor with terrace above, use of flat roof at second floor level as a terrace, alterations to windows and doors in association with works to the rear and to the lower ground front lightwell, roof alterations in association with photovoltaic panels and plant equipment; modifications to the front lightwell including replacement of the metal railings at ground floor and inclusion of a gate and landscaping works to the rear garden.

  Decided 5 Jun 2026 Full applications
• 20/08026/TCA Granted

  17 Alexander Street London W2 5NT

  T1 Cherry: crown reduce by 25%. Remove decayed branch over driveway.

  Decided 21 Dec 2020 Trees

1. 12 Aug 2026

   Received by Westminster

2. 8 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 11 Sep 2026

   Added to PlanIndex

4. 22 Oct 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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 18 Alexander Street London W2 5NT

  26/07066/TCA Submitted 15 Oct 2026 50 yards away

  100% historically approved · decision due ~10 Dec

  Elder (T1) - fell to ground level and grind out resulting stump. Replacement tree to be planted within a reconfigured planter during the landscape phase of the ongoing property renovations, to improve the relationship with trees in adjacent properties and maximise the likelihood of successful establishment.

  Awaiting decision Trees

• 17 Alexander Street London W2 5NT

  26/05150/ADFULL Submitted 30 Jul 2026 50 yards away

  Details of new railings pursuant to condition 6 of planning permission dated 04 June 2026 (RN: 25/08229/FULL)

  Decided

• 17 Alexander Street London W2 5NT

  20/08026/TCA Submitted 16 Dec 2020 50 yards away

  T1 Cherry: crown reduce by 25%. Remove decayed branch over driveway.

  Granted Trees 2 docs

• 17 Alexander Street London W2 5NT

  25/08229/FULL Submitted 11 Nov 2025 50 yards away

  Erection of rear extension at lower ground floor with terrace above, use of flat roof at second floor level as a terrace, alterations to windows and doors in association with works to the rear and to the lower ground front lightwell, roof alterations in association with photovoltaic panels and plant equipment; modifications to the front lightwell including replacement of the metal railings at ground floor and inclusion of a gate and landscaping works to the rear garden.

  Granted Full applications Extension Roofing +1 62 docs

• 18 Alexander Street London W2 5NT

  25/09034/FULL Submitted 12 Dec 2025 50 yards away

  88% historically approved · decision due ~6 Feb

  Variation of condition 1 of planning permission dated 7th August 2025 (RN: 25/03483/FULL) for the Lower ground floor rear extension, ground floor glazed infill extension adjacent to the closet wing, with balcony and new staircase from balcony to garden level; closet wing extended vertically to create an additional storey, new sash windows to closet wing and replacement of dormer window with doors to rear mansard roof. Namely, Removal of the central masonry pier introduced during the determination of the original application

  Awaiting decision Full applications Extension Loft or dormer +1 11 docs

• 18 Alexander Street London W2 5NT

  26/00025/FULL Submitted 5 Jan 2026 50 yards away

  Installation of 6no photovoltaic panels and an acoustic enclosure housing 2no condenser units on the roof.

  Refused Full applications 21 docs

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 26/07508/FULL Awaiting decision

  Buckingham Palace The Mall London SW1A 1AA

  Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications