1 Leigh Street London WC1H 9EW

This site has had 3 applications since 2016: 0 approved, 3 refused.

• 2020/2201/L Refused

  1 Leigh Street London WC1H 9EW

  Creation of a new enclosed reception area at ground floor level through the removal of the former small guest room Removal of former reception kiosk Introduction of a double guest room and en suite bathroom on the basement floor level in the former breakfast room, breakfast room moved to rear of building in former single guest room Introduction of a new fire escape corridor allowing escape access to the front of the building from the new basement bedroom, entailing: The introduction of a new partition between this corridor and the adjacent kitchen Swapping the location of the window and door on the basement's northern facade, re-using the door and replacing the non-original window frame with a new timber framed sash (Retrospective).

  Decided 9 Oct 2020 Heritage and listed buildings
• 2016/3470/L Refused

  1 Leigh Street London WC1H 9EW

  Erection of a mansard roof extension and alterations to internal partitions at basement, ground and third floor levels.

  Decided 5 Oct 2016 Heritage and listed buildings

1. 5 Oct 2016

   Decision issued: Refused

2. 22 Jul 2026

   Added to PlanIndex

Camden refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• Pavement adjacent to Commonwealth Hall 1-11 Cartwright Gardens London WC1H 9EB

  2012/6623/P 50 yards away

  Installation of 1 x telecommunications equipment cabinet on the public footpath.

  Granted Full applications

• 98 Marchmont Street London WC1N 1AG

  2025/4490/P Submitted 8 Oct 2025 50 yards away

  Alterations to shopfront, and installation of external extraction unit/flue including acoustic enclosure [part retrospective]

  Withdrawn Full applications Windows or glazing 5 docs

• 1 Leigh Street London WC1H 9EW

  2016/3470/L 50 yards away

  Erection of a mansard roof extension and alterations to internal partitions at basement, ground and third floor levels.

  Refused Heritage and listed buildings Extension Loft or dormer

• 98 Marchmont Street London WC1N 1AG

  2026/3335/A Submitted 5 Aug 2026 50 yards away

  77% historically approved · decision due ~30 Sep

  Removal of the existing fascia sign and installation of a new non-illuminated fascia sign.

  Awaiting decision Advertising 1 doc

• 98 Marchmont Street London WC1N 1AG

  2026/3127/P Submitted 5 Aug 2026 50 yards away

  91% historically approved · decision due ~30 Sep

  Alterations to the existing ground floor shopfront to reinstate the original shopfront design, including replacement timber shopfront, entrance door and windows.

  Awaiting decision Full applications Windows or glazing 4 docs

• 98 Marchmont Street London WC1N 1AG

  2026/3898/P Submitted 16 Sep 2026 50 yards away

  91% historically approved · decision due ~11 Nov

  Installation of a new kitchen extraction and ventilation system to the rear of the premises, including associated external ductwork, extraction plant and ancillary equipment.

  Awaiting decision Full applications 21 docs

• 2026/0369/P Granted

  Railway embankment and land west of 49 Adelaide Road London NW3 3QB

  Installation of a new DNO (Distribution Network Operator) cabinet and erection secure access gate to Adelaide Road, erection of staircase to railway embankment, associated works.

  Received 17 Jul, published by the council 24 Jul 2026 Full applications
• 2026/3694/P Granted

  19 Charterhouse Street London EC1N 6RA

  Details pursuant to condition 19 (external lighting) of planning permission 2025/1683/P, granted subject to a legal agreement on 05/06/2026, for remodelling, refurbishment and extensions (including 3 additional storeys) of the existing building to provide Use Class E (commercial, retail/restaurant and jewellery workspace) and associated landscaping and facade works.

  Received 27 Aug, published by the council 5 Sep 2026 Full applications
• 2026/3904/P Granted

  14 Templewood Avenue London NW3 7XA

  Details pursuant to Condition 5 (Tree protection measures) of planning permission 2026/2315/P dated 10/08/2026 for "Erection of an orangery/outbuilding in the rear garden."

  Received 9 Sep, published by the council 11 Sep 2026 Full applications
• 2025/2002/P Granted

  11 Doughty Street London WC1N 2PL

  Change of use from office (Class E) to residential to form a single-family dwelling (Class C3); associated internal and external alterations

  Received 9 May, published by the council 22 Jul 2026 Full applications
• 2026/3551/P Granted

  19 Charterhouse Street London EC1N 6RA

  Details pursuant to condition 21 (Details of gates/barriers onto Charterhouse Street) of planning permission 2025/1683/P, granted subject to a legal agreement on 05/06/2026, for remodelling, refurbishment and extensions (including 3 additional storeys) of the existing building to provide Use Class E (commercial, retail/restaurant and jewellery workspace) and associated landscaping and facade works.

  Received 19 Aug, published by the council 22 Aug 2026 Full applications