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
• 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

1. 16 Dec 2020

   Received by Westminster

2. 21 Dec 2020

   Decision issued: No objections

3. 20 Aug 2026

   Added to PlanIndex

Westminster granted permission on 21 December 2020, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

Applications for works to trees cover protected trees: consent under a tree preservation order, or six weeks notice for trees in a conservation area. More in our guide to planning application types.

• 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

• 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

  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

• 26/07195/TCA Awaiting decision

  31 Springfield Road London NW8 0QJ

  Back Garden - (Neighbors) Oak tree at 31 Springfield Road: Reduce branches overhanging the garden back by approx. 2.5-3m Reason: Neighbors tree is overhanging customers property and encroaching on their garden, they would like to cut the overhangs back a bit to reduce the encroachment over their boundary.

  21 Oct 2026 Trees
• 26/07144/TPO Awaiting decision

  10 Carlton Hill London NW8 0JY

  T1 - Saucer Magnolia - Carry out sensitive crown pruning of up to no more than 1m together with the careful removal of ivy and creeper from the main stem and primary branches, ensuring no unnecessary damage to the bark or retained growth. As an Arboricultural Approved contractor (#AC2626), all works will be undertaken in accordance with BS 39982010 - Tree Work - Recommendations. Reason for work: General tree maintenance

  Received 19 Oct, published by the council 22 Oct 2026 Trees
• 26/07126/TCA Awaiting decision

  131 Hamilton Terrace London NW8 9QR

  T1. Mimosa Tree Rear Garden/Close to House:Upper crown looking slightly sparse;Selectively reduce crown height and spread by 1.5m, pruning the longer stem sections back to suitable growth points to leave a natural, rounded appearance. Remove dead branches throughout the crown area that are over 2.5cm in diameter, and inspect the crown for any adverse conditions. T2. Oven's Wattle Rear Garden:Leaning;Selectively reduce crown height by 1.5m and spread by 1m, pruning the longer stem sections back to suitable growth points to leave a natural, rounded appearance. Remove dead branches throughout the crown area that are over 2.5cm in diameter, and inspect the crown for any adverse conditions. T3. Mimosa Tree Rear Garden/Patio Area:Perfect specimens:Selectively reduce crown height by 1.5m and spread by 1m, pruning the longer stem sections back to suitable growth points to leave a natural, pyramidalappearance. Remove dead branches throughout the crown area that are over 2.5cm in diameter, and inspect the crown for any adverse conditions. T4. Cherry Tree Rear Garden: Perfect specimens and in symmetry with adjacent Cherry; Selectively reduce crown height by 1.5m and spread by 1m, pruning the longer stem sections back to suitable growth points to leave a natural, pyramidal appearance. Remove dead branches throughout the crown area that are over 2.5cm in diameter, and inspect the crown for any adverse conditions. T5. Cherry Tree Rear Garden: Perfect specimens and in symmetry with adjacent Cherry; Selectively reduce crown height by 1.5m and spread by 1m, pruning the longer stem sections back to suitable growth points to leave a natural, pyramidal appearance. Remove dead branches throughout the crown area that are over 2.5cm in diameter, and inspect the crown for any adverse conditions. T6. Hoheria/Lacebark Rear Garden: Selectively reduce crown height by 1.5m and spread by 1m, pruning the longer stem sections back to suitable growth po

  19 Oct 2026 Trees
• 26/07145/TCA Awaiting decision

  4 Elm Tree Close London NW8 9JS

  T1 Silver Birch Reduce all aspects of the crown by approx. 1-1.5m. Sever Wisteria at wall height and remove from canopy.

  Received 19 Oct, published by the council 21 Oct 2026 Trees
• 26/07146/TCA Awaiting decision

  23 Belgrave Square London SW1X 8PZ

  London planes (T1 & T2) - Reduce crowns back to previous cuts (approx 2m off). Raise crowns to 5m over the road and 3m over the pavement. Reason: To restrict root growth and let more light into the embassy. Remove branches infected with Massaria (up to 10cm diameter).

  Received 19 Oct, published by the council 21 Oct 2026 Trees