Frognal House 99 Frognal London NW3 6XR

This site has had 17 applications since 2010: 13 approved, 0 refused.

• 2026/4180/L Awaiting decision

  Frognal House 99 Frognal London NW3 6XR

  Details for partial discharge of condition 5 (Structure report) of listed building consent 2024/0176/L dated 24/09/2025 'Change of use of convent (Sui Generis) to create four residential units (C3), demolition of existing extension and erection of a part one part two storey extension with green roof. Erection of roof extension with roof terrace and railings. Excavation of basement with entrance, conversion of garage, new bin and bike stores, hard and soft landscaping and alterations to fenestrations of the main house.Internal alterations to main house'

  Submitted 25 Sep 2026 Heritage and listed buildings
• 2026/4179/P Awaiting decision

  Frognal House 99 Frognal London NW3 6XR

  Details for partial discharge of condition 4 (Materials) (Part B only) of listed building consent 2024/0176/L dated 24/09/2025 'Change of use of convent (Sui Generis) to create four residential units (C3), demolition of existing extension and erection of a part one part two storey extension with green roof. Erection of roof extension with roof terrace and railings. Excavation of basement with entrance, conversion of garage, new bin and bike stores, hard and soft landscaping and alterations to fenestrations of the main house.Internal alterations to main house'

  Submitted 25 Sep 2026 Full applications
• 2026/2108/P Granted

  Frognal House 99 Frognal London NW3 6XR

  Details for discharge of condition 6 (chartered engineer), 9 (Flood risk mitigation) and 10 (Rainwater recycling) from planning application 2024/0030/P dated 24/09/2025 for 'Change of use of convent (Sui Generis) to create four residential units (C3), demolition of existing extension and erection of a part one part two storey extension with green roof. Erection of roof extension with roof terrace and railings. Excavation of basement with entrance, conversion of garage, new bin and bike stores, hard and soft landscaping and alterations to fenestrations of the main house.'

  Decided 17 Jul 2026 Full applications
• 2026/1643/P Granted

  Frognal House 99 Frognal London NW3 6XR

  Details for discharge of condition 12 (Green Roof) and 25 (Hard and soft landscaping) from planning application 2024/0030/P dated 24/09/2025 for 'Change of use of convent (Sui Generis) to create four residential units (C3), demolition of existing extension and erection of a part one part two storey extension with green roof. Erection of roof extension with roof terrace and railings. Excavation of basement with entrance, conversion of garage, new bin and bike stores, hard and soft landscaping and alterations to fenestrations of the main house.'

  Decided 2 Jun 2026 Full applications
• 2026/1547/P Granted

  Frognal House 99 Frognal London NW3 6XR

  Details for partial discharge of Part C of condition 20 (Air Quality Monitors) from planning application 2024/0030/P dated 24/09/2025 for 'Change of use of convent (Sui Generis) to create four residential units (C3), demolition of existing extension and erection of a part one part two storey extension with green roof.Erection of roof extension with roof terrace and railings. Excavation of basement with entrance, conversion of garage, new bin and bike stores, hard and soft landscaping and alterations to fenestrations of the main house.'

  Decided 1 Jun 2026 Full applications
• 2026/1503/P Granted

  Frognal House 99 Frognal London NW3 6XR

  Non-material amendment to planning permission 2024/0030/P, granted subject to a legal agreement on 24/09/2025, for 'Change of use of convent (Sui Generis) to create four residential units (C3), demolition of existing extension and erection of a part one part two storey extension with green roof. Erection of roof extension with roof terrace and railings. Excavation of basement with entrance, conversion of garage, new bin and bike stores, hard and soft landscaping and alterations to fenestrations of the main house' NAMELY to clarify/confirm tree retention details and update the associated tree protection area.

  Decided 16 Jun 2026 Amendments
• 2025/2930/T Granted

  Frognal House 99 Frognal London NW3 6XR

  REAR GARDEN: 1 x Yew (T4) - Prune back branches that overhang the S boundary back to the boundary wall - 1m - 2m branch length removal. 1 x Horse Chestnut (T5) - Reduce crown to previous points of reduction, 1m - 2m branch length removal. 1 x Beech (T7) - Reduce crown by up to 3m on all aspects, pruning back to growth points.

  Decided 5 Aug 2025 Trees
• 2022/5443/T Granted

  Frognal House 99 Frognal London NW3 6XR

  SIDE COURTYARD GARDEN: 1 x Willow (T1) - Fell in sections to ground level.

  Decided 2 Feb 2023 Trees
• 2021/2208/L Granted

  Frognal House 99 Frognal London NW3 6XR

  Erection of a plaque commemorating the award of the Croix de la Liberation by General Charles de Gaulle to the head of the French resistance in 1943.

  Decided 21 Jul 2021 Heritage and listed buildings
• 2020/0574/T Granted

  Frognal House 99 Frognal London NW3 6XR

  FRONT SIDE GARDEN: 1 x Horse Chestnut (T1) - Crown reduce back to previous points.

  Decided 4 Mar 2020 Trees

1. 18 Dec 2025

   Received by Camden

2. 7 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 11 Feb 2026

   Decision issued: Granted

4. 9 Aug 2026

   Added to PlanIndex

• 2024/0030/P Awaiting decision

  Frognal House 99 Frognal London NW3 6XR

  Change of use of convent (Sui Generis) to create four residential units (C3), demolition of existing extension and erection of a part one part two storey extension with green roof. Erection of roof extension with roof terrace and railings. Excavation of basement with entrance, conversion of garage, new bin and bike stores, hard and soft landscaping and alterations to fenestrations of the main house

  Full applications

Camden granted permission on 11 February 2026, 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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Frognal House 99 Frognal London NW3 6XR

  2022/5443/T 50 yards away

  SIDE COURTYARD GARDEN: 1 x Willow (T1) - Fell in sections to ground level.

  Granted Trees

• 99 Frognal House Frognal London NW3 6XR

  2016/1237/T 50 yards away

  REAR GARDEN: 1 x London Plane T1 - reduce back to previous points 1 x Maple T2 - reduce back to previous points 1 x Horse Chestnut T4 - reduce back to previous points 1 x Conifer T5 - fell to ground level 1 x Alder T6 - reduce by 4 metres in height and 2 metres on lateral away from building 1 x London Plane T7 - reduce by 3 metres in height and 2 metres on laterals to take away from neighbouring building roof 1 x Silver Birch T8 - reduce by 3 metres in height 1 x Large conifer T9 - fell to ground level due to excessive shading and tree on lean Group small conifers/yew T10,11,13 &14 - fell to ground level 1 x Beech T12 - reduce by 4 meters in height and 2 meters on laterals 1 x Cherry T15 - fell due to wounded stem 1 x Cherry T18 - reduce laterals away from adjacent building SIDE GARDEN: 1 x Cherry T3 - reduce by 2 metres in height and cut away from building 1 x Large conifer T16 - remove due tree growing too large for its location - tree on a lean and producing excessive leaf litter on convent 1 x Holly T17 - remove due to proximity to building

  Granted Trees

• 99A Frognal London NW3 6XR

  2017/4825/P 50 yards away

  Details of tree report as required by condition 7 and details of green roof as required by condition 15 of planning permission 2013/7195/P dated 23/10/2014 for erection of a three-storey dwelling house (Class C3) with basement following demolition of existing dwelling

  Granted Full applications Demolition Trees
  Domestic

• 99A Frognal London NW3 6XR

  2017/5011/P 50 yards away

  Details of Sustainable Urban Drainage System as required by condition 11 of planning permission 2013/7195/P dated 23/10/2014 for the erection of a three storey dwelling house (Class C3) with basement following demolition of existing dwelling

  Granted Full applications Demolition
  Domestic

• Frognal House 99 Frognal London NW3 6XR

  2024/0030/P 50 yards away

  92% historically approved

  Change of use of convent (Sui Generis) to create four residential units (C3), demolition of existing extension and erection of a part one part two storey extension with green roof. Erection of roof extension with roof terrace and railings. Excavation of basement with entrance, conversion of garage, new bin and bike stores, hard and soft landscaping and alterations to fenestrations of the main house

  Awaiting decision Full applications Extension Demolition

• Frognal House 99 Frognal London NW3 6XR

  2024/0176/L 50 yards away

  96% historically approved

  Change of use of convent (Sui Generis) to create four residential units (C3), demolition of existing extension and erection of a part one part two storey extension with green roof. Erection of roof extension with roof terrace and railings. Excavation of basement with entrance, conversion of garage, new bin and bike stores, hard and soft landscaping and alterations to fenestrations of the main house. Internal alterations to main house

  Awaiting decision Heritage and listed buildings Extension Demolition

• 2026/0990/P Refused

  1 Bleeding Heart Yard & 19 Greville Street London EC1N 8SJ

  Change of use from office space and restaurant use (Class E) and members club (Sui Generis) to affordable workspace and restaurant use (Class E) and 1 x residential unit on the third and fourth floors (Class C3). Erection of a two-storey roof extension across 19 Greville Street and 1 Bleeding Heart Yard, including alterations at second-floor level to the interior courtyard elevation, ground-floor fenestration changes, and a roof terrace for the associated residential unit.

  Received 26 Mar, published by the council 24 Jul 2026 Full applications
• 2026/3044/P Granted

  London Irish Centre 50-52 Camden Square London NW1 9XB

  Details to discharge Condition 25 Part A (Air Quality Monitoring) of planning permission ref. 2020/1481/P dated 17/05/24 for 'Redevelopment of site to provide new and reconfigured community centre and ancillary residential accommodation (Class D1/ D2) involving alterations to retained buildings at No's. 50, 51 and 52 Camden Square including replacement of two storey 'link' building; demolition of Murray Street and Murray Mews buildings and replacement with part-three / part-four storey building (plus basement level) with second and third floor terraces and new entrance; associated landscaping and cycle parking'.

  Received 20 Jul, published by the council 2 Aug 2026 Full applications
• 2026/4338/P Awaiting decision

  32 Willoughby Road London NW3 1RU

  Details to discharge condition 6 (tree protection methods) of planning permission 2025/4186/P granted 13/11/2025 for 'Demolition of existing two storey outrigger and replacement with part two-storey, part single storey rear extension, loft conversion with dormer and roof light to main roof at rear, new windows to flanking wall, replacement of existing windows and installation of a gate and fence to side'.

  Received 5 Oct, published by the council 9 Oct 2026 Full applications
• 2026/4141/P Awaiting decision

  24 Endell Street London WC2H 9HQ

  Relocation of three air conditioning condenser units to first floor roof, construction of an acoustic enclosure and other associated works.

  Received 5 Oct, published by the council 9 Oct 2026 Full applications
• 2026/3907/P Awaiting decision

  Flat 1 16 Lyndhurst Road London NW3 5NL

  External renovations to the front of the property, including works to the entry porch, steps, replacment front door, installation of metal railings to boundary wall and paving to front garden and erection of a glass roof to the side passage to create a bike shelter.

  Received 5 Oct, published by the council 9 Oct 2026 Full applications