17 Alexander Street London W2 5NT

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

• 26/05491/FULL Decided

  17 Alexander Street London W2 5NT

  Installation of air source heat pump unit within the rear garden and ancillary works.

  Submitted 12 Aug 2026 Full applications
• 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. 30 Jul 2026

   Received by Westminster

2. 5 Aug 2026

   Decision issued

3. 9 Aug 2026

   Added to PlanIndex

• 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

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.

The published feed does not state which type of application this is; the register entry on Westminster's portal will say. Our guide explains the common types.

• 17 Alexander Street London W2 5NT

  26/05491/FULL Submitted 12 Aug 2026 50 yards away

  88% historically approved · decision due ~3 Nov

  Installation of air source heat pump unit within the rear garden and ancillary works.

  Decided Full applications

• 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

  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