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 50 yards 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 50 yards 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 50 yards 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 50 yards 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

  2025/5339/T Submitted 25 Nov 2025 50 yards 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

• 21 Downshire Hill London Camden NW3 1NT

  2022/3365/P Submitted 21 Sep 2022 50 yards away

  NEW DOUBLE-GLAZED WINDOW AT REAR LOWER GROUND FLOOR LEVEL.

  Withdrawn Householder Windows or glazing 9 docs
  Domestic

• 2026/1141/L Granted

  25 John Street London WC1N 2BS

  Internal and external alterations to partition layout at basement, supporting structures and external ground level, and alterations to design of conservatory, windows and doors granted under listed building consent 2024/0338/L dated 06/08/2024.

  Received 26 Mar, published by the council 24 Jul 2026 Heritage and listed buildings
• 2025/1781/L Granted

  Frognal Rise House Lower Terrace London NW3 6RE

  Demolition of existing garage and interlinking gallery and replacement with new garage and garden room with link, new basement floor below garden, alterations to main house including replacement windows including reinstated oriel window and new French doors to entrance elevation, new roofing to side wing, new portico and replacement door to front elevation, enlargement of existing lightwell, replacement gates and canopy over entrance gate, restorations of boundary treatments, associated internal alterations including partial underpinning works and other minor alterations.

  Received 22 Apr, published by the council 22 Jul 2026 Heritage and listed buildings
• 2026/4129/L Awaiting decision

  6 Leverton Street London NW5 2PJ

  Strip out kitchen including floor tiles and replace; replace plumbing and flooring in rear ensuite; replace plumbing in front ensuite and WC; replace internal doors; replace garden wall with metal railing; replace 3 rear windows, 3 rear elevation side windows, 1 rear door and 1 rear elevation side door with double-glazed crittal windows and doors; remove 2 rear windows; render rear elevation brickwork; and associated works.

  Received 1 Oct, published by the council 9 Oct 2026 Heritage and listed buildings
• 2026/1686/L Granted

  Flat Ground and 1st Floor and Flat 2nd and 3rd Floor 14 Downshire Hill London NW3 1NR

  External and internal alterations in connection with conversion of two self-contained flats into a single-family dwellinghouse, including new doors at rear ground and second floor level, replacement windows at rear second and third floors level, removal of internal partitions, extending the stair handrail, and replacement internal doors, parquet flooring, skirting, architraves, cornicing, and fittings.

  Received 19 May, published by the council 24 Jul 2026 Heritage and listed buildings
• 2026/2202/L Refused

  4 Hampstead Square London NW3 1AB

  Erection of conservatory to front elevation.

  Received 27 May, published by the council 24 Jul 2026 Heritage and listed buildings