4 Frognal Close London NW3 6YB

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

• 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
• 2018/1786/P Refused

  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 and erection of balustrade.

  Decided 18 Jul 2018 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• 2010/3218/P Withdrawn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. 22 Apr 2026

   Received by Camden

2. 28 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 23 June 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Camden took a median of 42 days over the applications it decided in the last year.

This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided householder applications in a median of 58 days. More in our guide to how long planning decisions take.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. 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

  2018/1786/P 50 yards away

  Erection of part 1, part 2 storey side and rear extension. Use of roof of ground floor rear extension as a roof terrace and erection of balustrade.

  Refused Full applications Extension

• 2026/3064/P 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 Householder
• 26-00297-HAPP Granted

  55 PATSHULL ROAD LONDON NW5 2LE

  Part 1-storey and 2-storey side and rear extensions, alterations to both rear and front gardens with introduction cycle parking at front

  Received 27 Apr, published by the council 24 Jul 2026 Householder
• 2026/3121/P Awaiting decision

  15 Elliott Square London NW3 3SU

  Erection of a single-storey rear and side extension, one new windows to the side elevation, alterations to the existing garage opening, and replacement of the front door.

  Received 17 Sep, published by the council 21 Sep 2026 Householder
• 2026/3120/P Awaiting decision

  15 Elliott Square London NW3 3SU

  Erection of a single-storey rear extension, two new windows to the side elevation, alterations to the existing garage opening and replacement of the front door.

  Received 17 Sep, published by the council 21 Sep 2026 Householder
• 2026/3997/P Awaiting decision

  33 Dartmouth Park Avenue London NW5 1JL

  Enlargement of existing two dormer windows on the rear and side elevations including a new rear rooflight and installation of air conditioning unit on rear roof.

  Received 16 Sep, published by the council 21 Sep 2026 Householder