Chatham House 90 Heath Street London NW3 1DP

This site has had 5 applications since 2010: 5 approved, 0 refused.

• 2016/6118/L Granted

  Chatham House 90 Heath Street London NW3 1DP

  Discharge of condition 4 (detailed drawings and samples as appropriate) granted under reference 2016/2478/l dated 05/07/16 for replacement rear conservatory, insertion of first floor rear sash window, insertion x 2 rear roof lights, replacement timber sash window on rear closet wing, enlargement of openings to lower ground floor internal walls; spiral stair case to loft space; reinstatement of window joinery and bricking of side facing windows on rear elevation and replace the front lightwell timber staircase with metal affecting a Grade II Listed Building.

  Decided 22 Dec 2016 Heritage and listed buildings
• 2016/2238/P Granted

  Chatham House 90 Heath Street London NW3 1DP

  Replacement rear conservatory, insertion of first floor rear sash window, insertion x2 rear roof lights, replace rear timber sash windows and replace the front lightwell timber staircase with a metal stair case.

  Decided 5 Jul 2016 Full applications
• 2016/2478/L Granted

  Chatham House 90 Heath Street London NW3 1DP

  Replacement rear conservatory, insertion of first floor rear sash window, insertion x2 rear roof lights, replacement timber sash window on rear closet wing, enlargement of openings to lower ground floor internal walls; spiral stair case to loft space; reinstatement of window joinery and bricking of side facing windows on rear elevation and replace the front lightwell timber staircase with metal.

  Decided 5 Jul 2016 Heritage and listed buildings
• 2010/2894/L Granted

  Chatham House 90 Heath Street London NW3 1DP

  Works in association with erection of single conservatory extension at rear lower ground floor level; alterations to side elevation rear, window at ground floor level to be relocated into new opening to rear elevation, and installation of two rooflights to rear slope roof of dwelling house (Class C3).

  Decided 23 Sep 2010 Heritage and listed buildings

1. 23 Sep 2010

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 23 September 2010, 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.

• Chatham House 90 Heath Street London NW3 1DP

  2016/2238/P 50 yards away

  Replacement rear conservatory, insertion of first floor rear sash window, insertion x2 rear roof lights, replace rear timber sash windows and replace the front lightwell timber staircase with a metal stair case.

  Granted Full applications Extension Loft or dormer +1

• Chatham House 90 Heath Street London NW3 1DP

  2016/6118/L 50 yards away

  Discharge of condition 4 (detailed drawings and samples as appropriate) granted under reference 2016/2478/l dated 05/07/16 for replacement rear conservatory, insertion of first floor rear sash window, insertion x 2 rear roof lights, replacement timber sash window on rear closet wing, enlargement of openings to lower ground floor internal walls; spiral stair case to loft space; reinstatement of window joinery and bricking of side facing windows on rear elevation and replace the front lightwell timber staircase with metal affecting a Grade II Listed Building.

  Granted Heritage and listed buildings Extension Loft or dormer +1

• 90 Chatham House Heath Street London NW3 1DP

  2010/2487/L 50 yards away

  Internal alteration to include the creation of an opening between underground center and north vault at front of dwelling (Class C3).

  Granted Heritage and listed buildings
  Domestic

• Chatham House 90 Heath Street London NW3 1DP

  2016/2478/L 50 yards away

  Replacement rear conservatory, insertion of first floor rear sash window, insertion x2 rear roof lights, replacement timber sash window on rear closet wing, enlargement of openings to lower ground floor internal walls; spiral stair case to loft space; reinstatement of window joinery and bricking of side facing windows on rear elevation and replace the front lightwell timber staircase with metal.

  Granted Heritage and listed buildings Extension Loft or dormer +1

• Chatham House 90 Heath Street London NW3 1DP

  2010/2894/L 50 yards away

  Works in association with erection of single conservatory extension at rear lower ground floor level; alterations to side elevation rear, window at ground floor level to be relocated into new opening to rear elevation, and installation of two rooflights to rear slope roof of dwelling house (Class C3).

  Granted Heritage and listed buildings Extension Loft or dormer +1
  Small domestic

• 90 Chatham House Heath Street London NW3 1DP

  2010/0457/L 50 yards away

  Internal and external works in association with erection of lower ground and ground floor extensions to rear, two heritage / conservation rooflights to rear roofslope to existing dwelling house (Class C3).

  Withdrawn Heritage and listed buildings Extension Loft or dormer
  Domestic

• 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