20 Flaxman Terrace London WC1H 9AT

This site has had 4 applications since 2017: 2 approved, 2 refused.

• 2021/1369/P Granted

  20 Flaxman Terrace London WC1H 9AT

  Refurbishment of lower ground floor office space including: replacement of solid opaque glass block in the front elevation with metal windows, replacement of blocked up side windows with 2x louvres, replacement of a side window with a new entrance door, replacement of existing side hatch with new door to provide access to cycle store and showers facilities and reconfiguration of the external staircase at the side passage.

  Decided 26 Jul 2021 Full applications
• 2017/1968/P Refused

  20 Flaxman Terrace London WC1H 9AT

  Erection of single storey roof extension at second floor level to provide 233sqm additional office space (Class B1a), with associated cycle parking and refuse storage

  Decided 31 May 2017 Full applications
• 2016/0788/P Refused

  20 Flaxman Terrace London WC1H 9AT

  Erection of single storey roof extension to provide 226sqm additional office space (Class B1a) and associated works

  Decided 23 Jan 2017 Full applications

1. 1 Dec 2020

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 1 December 2020, 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.

• 20 Flaxman Terrace London WC1H 9AT

  2016/0788/P 50 yards away

  Erection of single storey roof extension to provide 226sqm additional office space (Class B1a) and associated works

  Refused Full applications Extension
  Small domestic

• 20 Flaxman Terrace London WC1H 9AT

  2021/1369/P 50 yards away

  Refurbishment of lower ground floor office space including: replacement of solid opaque glass block in the front elevation with metal windows, replacement of blocked up side windows with 2x louvres, replacement of a side window with a new entrance door, replacement of existing side hatch with new door to provide access to cycle store and showers facilities and reconfiguration of the external staircase at the side passage.

  Granted Full applications Windows or glazing

• 20 Flaxman Terrace London WC1H 9AT

  2017/1968/P 50 yards away

  Erection of single storey roof extension at second floor level to provide 233sqm additional office space (Class B1a), with associated cycle parking and refuse storage

  Refused Full applications Extension
  Small domestic

• 18 Duke's Road London WC1H 9PY

  2025/3088/A Submitted 18 Jun 2026 50 yards away

  77% historically approved · decision due ~25 Aug

  Installation of 1 x non-illuminated brass coloured stainless steel plaque x 1 x black coloured stainless steel numbering '18' coloured to archway

  Awaiting decision Advertising 9 docs

• Flat 4 4-6 Duke's Road London WC1H 9AD

  2025/0311/L 50 yards away

  Installation of 2no dormer windows to rear roof slope.

  Granted Heritage and listed buildings Loft or dormer Windows or glazing

• Premier Inn 1 Duke's Road London WC1H 9PJ

  2010/4113/P 50 yards away

  Installation of ten roof-level condenser units, replacement/relocation of external chiller unit to the existing internal roof level plant room and associated alterations.

  Granted Full applications

• 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