16 Downshire Hill London NW3 1NT

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

• 2019/5889/P Granted

  16 Downshire Hill London NW3 1NT

  Erection of a single storey rear and side extension; erection of replacement outbuilding; ground/ patio works including alterations to front garden steps; landscaping and incidental works.

  Decided 2 Jul 2020 Full applications

1. 2 Jul 2020

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 2 July 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.

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.

• Hampstead Hill Mansions Downshire Hill London NW3 1NY

  2025/2828/T 50 yards away

  REAR GARDEN: 1 x Sycamore (T1) - Fell to ground level.

  Granted Trees

• Hampstead Hill Mansions Downshire Hill London NW3 1NY

  2025/5507/T Submitted 4 Dec 2025 50 yards away

  REAR GARDEN: 1 x Cherry (T2) - Reduce this stem by 3m - 4m to suitable pruning points.

  Granted Trees 3 docs

• Hampstead Hill Mansions Downshire Hill London NW3 1NY

  2022/1370/T 50 yards away

  REAR GARDEN: 1 x Ash (T1) - Reduce crown by 3m on all aspects. 1 x Sycamore (T2) - Reduce height by 2.5m, reduce branches over neighbour's garden by up to 3m, ensuring 2m clearance from building. 1 x Thuja (T4) - Reduce height by 2m. 1 x Mock Orange (T5) - Reduce down to previous cuts, (around 2.5m reduction). 1 x Cherry (T6) - Reduce two leaning stems over grass to 2m below previous, reduce remaining crown back to previous cuts, (1.5m reduction). 1 x Thuja (T7) - Reduce height by 1.5m. 1 x Norway Maple (T8) - Reduce crown back to most recent cuts, (2.5m reduction). 1 x Photinia (T9) - Reduce overlong branches by 2m. 1 x Cherry (T11) - Reduce crown back to previous cuts, (2m reduction). 1 x Apple (T12) - Reduce crown by 3m. 1 x Contorted Willow (T13) - Reduce crown back to previous cuts, (1.5m reduction). 1 x Juniper (T14) - Fell to ground level. 1 x Elder (T15) - Reduce down to 2m. 1 x Sycamore (T16) - Reduce crown by 3m on all aspects.

  Granted Trees

• Hampstead Hill Mansions Downshire Hill London NW3 1NY

  2024/3849/T 50 yards away

  REAR SIDE GARDEN: 2 x Sycamores (T1 & T2) - Lift crown by approx. 4m on garage (Annex) axis reducing major lower limbs that extend over boundary, thin and shape top crown.

  Granted Trees

• Hampstead Hill Mansions Downshire Hill London NW3 1NY

  2026/3441/P Submitted 12 Aug 2026 50 yards away

  92% historically approved · decision due ~14 Oct

  Provision of balustrade to the perimeter of the flat roof area to provide safe access for planned maintenance works

  Awaiting decision Full applications 23 docs

• Hampstead Hill Mansions Downshire Hill London NW3 1NY

  2026/3668/T Submitted 26 Aug 2026 50 yards away

  REAR GARDEN: 1 x Cherry (T2) - Reduce dead stem by approx. 5m to suitable growth points. Reduce remaining stem down to approx5m to suitable growth points to balance crown and reduce wind loading on remaining stem. 1 x Willow (T4) - Reduce back old, historically damaged limb by 1m - 2m back from lawn. Overextended limb running along fence line reduce back by approx. 2m to reduce loading.

  Granted Trees 3 docs
  Small 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