21 Downshire Hill London NW3 1NT

This site has had 8 applications since 2013: 8 approved, 0 refused.

• 2025/5339/T Granted

  21 Downshire Hill London NW3 1NT

  DD 5 Day Notice REAR GARDEN: 1 x Ash (T1) - Remove section and lower broken limb from central crown structure.

  Decided 5 Jan 2026 Trees
• 2024/3988/T Granted

  21 Downshire Hill London NW3 1NT

  FRONT GARDEN: 1 x Magnolia (T1) - Reduce crown by approx. 0.5m - 1m all round, reducing over extended branches back into main crown structure. Thin crown density by 20%. REAR GARDEN: 1 x Japanese Maple (T2) - Tip prune to reduce crown by up to 0.5m -1m. Thin crown density by 20%. 1 x Judas Tree (T3) - Tip Prune to reduce by up to approx. 1.2m all round. Thin crown density by 20%. 2 x Apple (T4 & T5) - Reduce crowns by approx. 1.2m all round, reducing over extended branches back into main crown structure to produce more compact form. Thin crown density by 20%.

  Decided 25 Sep 2024 Trees
• 2022/4415/T Granted

  21 Downshire Hill London NW3 1NT

  FRONT GARDEN: 1 x Magnolia (T1) - Reduce crown by approx. 30cm - 50cm all round. Thin crown density by 20%. REAR GARDEN: 1 x Japanese Maple (T2) - Thin crown density by approx. 20%. Reduce crown by up to 0.50m retaining a naturally flowing crown line. 1 x Judas Tree (T3) - Reduce crown by approx. 1m all round. Thin crown density by approx. 20%. 2 x Apples (T4 & T5) - Reduce overlong extraneous branches back into main crown structure approx. 1.2m - 1.5m reduction. Reduce remaining crown by up to 1m to shape and balance.

  Decided 17 Nov 2022 Trees
• 2021/6084/P Granted

  21 Downshire Hill London NW3 1NT

  Internal reconfiguration of the lower ground floor, general refurbishment across all floors, refurbishment of historic window casements and replacement of the non-historic modern window casements on the rear wing.

  Decided 24 Jun 2022 Full applications
• 2017/5840/T Granted

  21 Downshire Hill London NW3 1NT

  REAR GARDEN: 2 x Apple - Reduce crwons by 20%, thin crown density by 15% 1 x Acer - Thin crown density by 10-15% 1 x Elder - Fell 1 x Judas - Thin crown density by 15%, reduce crown by 15% FRONT GARDEN: 1 x Magnolia - Reduce crown by 15-20%

  Decided 22 Nov 2017 Trees
• 2013/6851/T Granted

  21 Downshire Hill London NW3 1NT

  REAR GARDEN: 1 x Ash - Reduce lateral growth overhanging properties by 25%. Thin crown density by 20%. Raise crown by approximately 2.5-3m where practicable. Remove dead wood.

  Decided 6 Dec 2013 Trees
• 2013/2881/P Granted

  21 Downshire Hill London NW3 1NT

  Erection of an outbuilding in the rear garden of dwelling house (Class C3).

  Decided 26 Jun 2013 Full applications

1. 24 Jun 2022

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 24 June 2022, 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.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 21 Downshire Hill London NW3 1NT

  2024/3988/T 0m away

  FRONT GARDEN: 1 x Magnolia (T1) - Reduce crown by approx. 0.5m - 1m all round, reducing over extended branches back into main crown structure. Thin crown density by 20%. REAR GARDEN: 1 x Japanese Maple (T2) - Tip prune to reduce crown by up to 0.5m -1m. Thin crown density by 20%. 1 x Judas Tree (T3) - Tip Prune to reduce by up to approx. 1.2m all round. Thin crown density by 20%. 2 x Apple (T4 & T5) - Reduce crowns by approx. 1.2m all round, reducing over extended branches back into main crown structure to produce more compact form. Thin crown density by 20%.

  Granted Trees

• 21 Downshire Hill London NW3 1NT

  2013/2881/P 0m away

  Erection of an outbuilding in the rear garden of dwelling house (Class C3).

  Granted Full applications
  Small domestic

• 21 Downshire Hill London NW3 1NT

  2021/6084/P 0m away

  Internal reconfiguration of the lower ground floor, general refurbishment across all floors, refurbishment of historic window casements and replacement of the non-historic modern window casements on the rear wing.

  Granted Full applications Windows or glazing

• 21 Downshire Hill London NW3 1NT

  2013/6851/T 0m away

  REAR GARDEN: 1 x Ash - Reduce lateral growth overhanging properties by 25%. Thin crown density by 20%. Raise crown by approximately 2.5-3m where practicable. Remove dead wood.

  Granted Trees

• 21 Downshire Hill London NW3 1NT

  2017/5840/T 0m away

  REAR GARDEN: 2 x Apple - Reduce crwons by 20%, thin crown density by 15% 1 x Acer - Thin crown density by 10-15% 1 x Elder - Fell 1 x Judas - Thin crown density by 15%, reduce crown by 15% FRONT GARDEN: 1 x Magnolia - Reduce crown by 15-20%

  Granted Trees

• 21 Downshire Hill London NW3 1NT

  2025/5339/T Submitted 25 Nov 2025 0m away

  DD 5 Day Notice REAR GARDEN: 1 x Ash (T1) - Remove section and lower broken limb from central crown structure.

  Granted Trees 4 docs

• 2026/0825/L Granted

  88 Frognal London NW3 6XB

  Discharge of condition 4 (a) Plan, elevation and section drawings of all new internal doors at a scale of 1:10 with typical moulding and architrave details at a scale of 1:1. b) Plan, elevation and section drawings, including jambs, head and cill, of all new windows and doors, including garage doors and windows, at a scale of 1:10 with typical glazing bar details at 1:1) of 2025/3436/L (External works comprising demolition of existing conservatory and erection of single-storey ground floor extension; demolition of existing garage and erection of replacement garage; alterations and repairs to roof; repair and minor alterations to building facade; provision of new hard and soft landscaping. Interior works comprising general remodelling works; minor changes to planform and openings; installation of new mechanical and electrical services throughout)

  2 Mar 2026 Heritage and listed buildings
• 2026/2946/L Awaiting decision

  Flat 1, 73 Eton Avenue London NW3 3EU

  Replacement of existing defective rear lean-to conservatory with a new slimline powder-coated aluminium framed conservatory with clear double glazing, on the exact same footprint as existing.

  3 Sep 2026 Heritage and listed buildings
• 2026/3754/L Awaiting decision

  10 Great Ormond Street London Camden WC1N 3RB

  Coversion of 3 flats into 4 and internal alterations to the listed building

  2 Sep 2026 Heritage and listed buildings
• 2026/2194/L Withdrawn

  Dunboyne Road Estate Dunboyne Road London NW3 2YY

  Installation of Air Source and Water Source Heat Pumps in basement car park with associated acoustic and security enclosures; installation of PV Panels on roof of Blocks 1, 2 and 3; removal of existing gas boilers and associated plant; installation of a new estate-wide heating network including Heat Interface Units, radiators, pipework and associated infrastructure to serve Flats 1-71; excavation of trenches and installation of below-ground heating, water and electrical infrastructure; and associated ancillary works.

  29 May 2026 Heritage and listed buildings
• 2026/3773/L Awaiting decision

  47 Kelly Street London NW1 8PG

  Replacement of concrete roof tiles with slate roof tiles (Retrospective)

  28 Aug 2026 Heritage and listed buildings