157 Gloucester Avenue London NW1 8LA

This site has had 2 applications since 2017: 1 approved, 0 refused.

• 2017/2444/T Granted

  157 Gloucester Avenue London NW1 8LA

  REAR GARDEN; 1 x Plane - Remove

  Decided 29 Jun 2017 Trees

1. 18 May 2026

   Received by Camden

2. 19 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 8 Jun 2026

   Decision issued: Withdrawn Decision

4. 24 Jul 2026

   Added to PlanIndex

• 2025/5218/P Granted

  157 Gloucester Avenue London Camden NW1 8LA

  Alterations to existing roof extension, replacement of existing single glazed windows for double glazed, addition of a single roof light, and alterations to existing external pipework

  Decided 22 Dec 2025 Full applications

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.

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

• Top Flat, 157 Gloucester Avenue LONDON NW1 8LA

  2016/2652/P 0m away

  Enlargement of window and installation of juliet balcony at first floor level to rear; installation of roof light on second floor rear terrace

  Granted Full applications Loft or dormer Windows or glazing

• 157 Gloucester Avenue London Camden NW1 8LA

  2026/2526/P Submitted 25 Jun 2026 0m away

  Variation of condition 2 (approved drawings) to planning permission 2025/5218/P 'Alterations to existing roof extension, replacement of existing single glazed windows for double glazed, addition of a single roof light, and alterations to existing external pipework' to replace the previously proposed zinc cladding on the dormer extension with slate tiles and lead.

  Granted Amendments Extension Loft or dormer +1 9 docs

• 157 Gloucester Avenue London Camden NW1 8LA

  2026/0540/P Submitted 11 Feb 2026 0m away

  Details to discharge conditions 4 (joinery details, zinc cladding details, planter details) of planning permission 2025/5218/P granted 22/12/2025 for the 'Alterations to existing roof extension, replacement of existing single glazed windows for double glazed, addition of a single roof light, and alterations to existing external pipework'.

  Granted Full applications Extension Loft or dormer +1 4 docs

• Top floor flat 157 Gloucester Avenue London NW1 8LA

  2015/2657/P 0m away

  Enlargement of existing sash window to create full height sash window with Juliet balcony at rear first floor level.

  Granted Full applications Windows or glazing

• Top floor flat 157 Gloucester Avenue London NW1 8LA

  2015/3896/P 0m away

  Details of window required by condition 4 of planning permission 2015/2657/P dated 18/06/2015.

  Granted Full applications Windows or glazing

• 157 Gloucester Avenue London Camden NW1 8LA

  2025/5218/P Submitted 21 Nov 2025 0m away

  Alterations to existing roof extension, replacement of existing single glazed windows for double glazed, addition of a single roof light, and alterations to existing external pipework

  Granted Full applications Extension Loft or dormer +1 13 docs

• 2026/4008/P Awaiting decision

  6 Murray Street London NW1 9RE

  Non-material amendment to planning permission ref. 2023/3483/P (dated 25/10/2023) for 'Erection of mansard roof extension and replacement shopfront', NAMELY for changes to the rear dormers.

  16 Sep 2026 Amendments
• 2026/3909/P Awaiting decision

  15 Belsize Park Mews London NW3 5BL

  Variation of Condition 2 (Approved Plans) of planning reference 2023/3492/P dated 07/08/26 for erection of roof extension, new basement level, alterations to fenestration and associated works. NAMELY: to allow revisions to the external architectural treatment of approved development.

  10 Sep 2026 Amendments
• 2026/2771/P Granted

  Land to the North of the British Library 96 Euston Road London NW1 2DB

  Non material amendment to planning permission 2022/1041/P dated 17/07/2024 for: ‘Demolition of the British Library Centre for Conservation, alterations to the British Library and erection of a new building of 12 above-ground storeys and two basement levels for use as library, galleries, learning, business and events spaces (Class F1) and retail and commercial spaces (Class E); provision of internal and external public spaces, landscaping and a community garden; improvement works adjacent to Dangoor Walk; provision of cycle and car parking and servicing facilities including new crossovers; provision of Crossrail 2 infrastructure; means of access; and associated works’. The amendment is to revise the wording of condition 3 (Crossrail 2 Infrastructure) and partially discharge the condition in respect of perimeter piling works.

  2 Jul 2026 Amendments
• 2026/3509/P Granted

  Flat A 55 Leverton Street London NW5 2NX

  Non-material amendment to planning permission 2026/0413/P dated 12/05/2026 (Erection of a single storey side and rear extension, re-construction of rear garden boundary wall, replacement of a ground floor rear window with an access door, replacement of a side door with a window, insertion of two rooflights and reinstatement of front sash windows), namely reduction in depth of proposed lightwell between existing rear elevation and new extension.

  4 Sep 2026 Amendments
• 2026/2957/P Granted

  Land to the North of the British Library 96 Euston Road London NW1 2DB

  Non material amendment to planning permission 2022/1041/P dated 17/07/2024 for: ‘Demolition of the British Library Centre for Conservation, alterations to the British Library and erection of a new building of 12 above-ground storeys and two basement levels for use as library, galleries, learning, business and events spaces (Class F1) and retail and commercial spaces (Class E); provision of internal and external public spaces, landscaping and a community garden; improvement works adjacent to Dangoor Walk; provision of cycle and car parking and servicing facilities including new crossovers; provision of Crossrail 2 infrastructure; means of access; and associated works’. The amendment is to revise the wording of condition 6 (Water Main) and discharge the condition.

  14 Jul 2026 Amendments