90 Chatham House Heath Street London NW3 1DP

This site has had 3 applications since 2010: 1 approved, 0 refused.

• 2010/2487/L Granted

  90 Chatham House Heath Street London NW3 1DP

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

  Decided 7 Jul 2010 Heritage and listed buildings
• 2010/0452/P Withdrawn

  90 Chatham House Heath Street London NW3 1DP

  Erection of lower ground and ground floor extensions to rear and two heritage/ conservation rooflights to rear roof slope of dwelling house.

  Decided 6 May 2010 Full applications

1. 6 May 2010

   Decision issued: Withdrawn Decision

2. 22 Jul 2026

   Added to PlanIndex

The applicant withdrew this application before Camden decided it, and is free to submit a revised scheme at any time. 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.

• 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

  2010/2881/P 50 yards away

  Erection of single storey conservatory extension at rear lower ground floor level; alterations to side elevation rear, new rooflights to rear roofslope of dwelling house (Class C3).

  Granted Full applications Extension Loft or dormer
  Small 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

• 2026/3449/L Awaiting decision

  Alexandra & Ainsworth TRA Hall 100 Rowley Way London NW8 0SW

  Reconstuction of roof loggia and roof lantern drainage channel pursuant to planning permission ref 2023/3413/P and listed building consent ref 2023/4012/L granted on 18/12/2024, for various works of roof repair and replacement.

  Received 18 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
• 2026/3087/L Granted

  205 Albany Street London NW1 4AB

  Installation of a free standing air source heat pump in the rear courtyard. Installation of an innovative, thin and flexible PV panels to the flat section of the roof

  Received 21 Jul, published by the council 24 Jul 2026 Heritage and listed buildings
• 2026/4003/L Awaiting decision

  10 Sicilian Avenue London Camden WC1A 2QH

  Internal alterations to ground floor and basement level, including new partitions and mechanical ventillation.

  Received 16 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
• 2026/4002/L Awaiting decision

  Flat A 4 Rowley Way London NW8 0SF

  Internal refurbishment including replacement of non-original kitchen and bathroom fittings, repair and refinishing of original internal timber joinery, replacement of floor finishes and internal redecoration.

  Received 16 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
• 2026/3990/L Awaiting decision

  Unison Centre 130 Euston Road London Camden NW1 2AY

  Repair and refurbishment works.

  Received 15 Sep, published by the council 21 Sep 2026 Heritage and listed buildings