4 Frognal Close London NW3 6YB

This site has had 9 applications since 2010: 5 approved, 2 refused.

• 2026/1604/P Awaiting decision

  4 Frognal Close London NW3 6YB

  Erection of part one, part two storey side and rear extension including rear roof terrace, alterations to fenestration and installation of rooflight and solar panels.

  Submitted 22 Apr 2026 Householder
• 2022/3856/P Granted

  4 Frognal Close London NW3 6YB

  Erection of part 1, part 2 storey side and rear extension; use of roof of ground floor rear extension as a roof terrace enclosed by balustrades; alterations to first floor rear window fenestration; installation of new rooflight and solar panels to main flat roof.

  Decided 20 Jan 2023 Full applications
• 2017/5271/P Granted

  4 Frognal Close LONDON NW3 6YB

  Erection of a part two storey and part single storey side extension following the demolition of an existing single storey side extension.The replacement of all existing (non original) painted timber windows and pvc windows with slim profile metal double glazed casement windows.

  Decided 14 Feb 2018 Full applications
• 2017/2141/P Granted

  4 Frognal Close LONDON NW3 6YB

  Erection of a single storey extension and alteration of first floor rear window fenestration to the rear elevation and installation of roof light and solar panels to the main roof of the dwellinghouse and roof light to the front extension (C3).

  Decided 25 Apr 2017 Full applications
• 2016/1516/P Granted

  4 Frognal Close London NW3 6YB

  Erection of a single storey rear extension to the dwellinghouse (C3).

  Decided 22 Mar 2016 Full applications
• 2015/5953/P Granted

  4 Frognal Close London NW3 6YB

  Removal of the existing single storey side extension and erection of a part two storey and part single storey side extension with a single storey extension to the rear of the property. The replacement of all existing (non original) painted timber windows and pvc windows with slim profile metal double glazed casement windows.

  Decided 16 Feb 2016 Full applications
• 2010/3218/P Withdrawn

  4 Frognal Close London NW3 6YB

  Additions and alterations including the erection of a part single storey rear extension, excavation of a basement to create additional living space, gym and internal swimming pool, and replacement of windows.

  Decided 17 Aug 2010 Full applications
• 2010/0898/P Refused

  4 Frognal Close, London, NW3 6YB

  Additions and alterations including the erection of a part single storey, part two storey side and rear extension, excavation of a basement to create additional living space, gym and internal swimming pool, a lightwell to the front and replacement of windows.

  Decided 30 Apr 2010 Full applications

1. 18 Jul 2018

   Decision issued: Refused

2. 22 Jul 2026

   Added to PlanIndex

This application is at appeal, which passes the decision from Camden to the planning inspectorate, and the outcome will replace the council's decision. 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.

• 4 Frognal Close London NW3 6YB

  2015/5953/P 50 yards away

  Removal of the existing single storey side extension and erection of a part two storey and part single storey side extension with a single storey extension to the rear of the property. The replacement of all existing (non original) painted timber windows and pvc windows with slim profile metal double glazed casement windows.

  Granted Full applications Extension Windows or glazing
  Small domestic

• 4 Frognal Close, London, NW3 6YB

  2010/0898/P 50 yards away

  Additions and alterations including the erection of a part single storey, part two storey side and rear extension, excavation of a basement to create additional living space, gym and internal swimming pool, a lightwell to the front and replacement of windows.

  Refused Full applications Extension Windows or glazing
  Small domestic

• 4 Frognal Close London NW3 6YB

  2010/3218/P 50 yards away

  Additions and alterations including the erection of a part single storey rear extension, excavation of a basement to create additional living space, gym and internal swimming pool, and replacement of windows.

  Withdrawn Full applications Extension Windows or glazing
  Small domestic

• 4 Frognal Close LONDON NW3 6YB

  2017/2141/P 50 yards away

  Erection of a single storey extension and alteration of first floor rear window fenestration to the rear elevation and installation of roof light and solar panels to the main roof of the dwellinghouse and roof light to the front extension (C3).

  Granted Full applications Extension Loft or dormer +1
  Small domestic

• 4 Frognal Close London NW3 6YB

  2016/1516/P 50 yards away

  Erection of a single storey rear extension to the dwellinghouse (C3).

  Granted Full applications Extension
  Small domestic

• 4 Frognal Close London NW3 6YB

  2026/1604/P Submitted 22 Apr 2026 50 yards away

  88% historically approved · decision due ~23 Jun

  Erection of part one, part two storey side and rear extension including rear roof terrace, alterations to fenestration and installation of rooflight and solar panels.

  Awaiting decision Householder Extension Loft or dormer +1 10 docs
  Domestic

• 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