4 Hampstead Square London NW3 1AB

This site has had 19 applications since 2011: 11 approved, 0 refused.

• 2026/2202/L Awaiting decision

  4 Hampstead Square London NW3 1AB

  Erection of conservatory to front elevation.

  Submitted 27 May 2026 Heritage and listed buildings
• 2015/3623/P Granted

  4 Hampstead Square London NW3 1AB

  Installation of timber bin store and trellis in front garden. [Retrospective]

  Decided 10 Aug 2015 Full applications
• 2015/3931/L Granted

  4 Hampstead Square London NW3 1AB

  Installation of timber bin store and trellis in front garden. [Retrospective]

  Decided 10 Aug 2015 Heritage and listed buildings
• 2014/2386/P Granted

  4 Hampstead Square London NW3 1AB

  Details of appointed chartered engineer/hydro-geologist and appointee's responsibilities in relation to condition 5 of planning permission (2012/3815/P) dated 13/11/2012 for excavation works to provide new basement level.

  Decided 14 May 2014 Full applications
• 2013/5661/L Granted

  4 Hampstead Square London NW3 1AB

  Alteration to rooflights in patio and path, alter extent of underground works to accommodate discovery of well and external pump for foul drainage, and excavation for new external fire escape to the west as amendment to Listed Building Consent (ref: 2012/3501/L).

  Decided 25 Mar 2014 Heritage and listed buildings
• 2013/4818/P Granted

  4 Hampstead Square London NW3 1AB

  Variation to condition 2 (development built in accordance with approved plans) of planning permission 2012/3815/P dated 13/11/2012 (for excavation works to provide new basement level, including ground floor rooflights to garden and covered lightwell), namely to increase size of basement, relocate rooflights in patio and excavation for new external fire escape.

  Decided 25 Mar 2014 Full applications
• 2013/5649/P Granted

  4 Hampstead Square London NW3 1AB

  Details pursuant to condition 3 (rooflight) following planning permission granted (13/11/2012) (ref: 2013/3815/P) for the excavation works to provide new basement level, including installation of ground floor rooflights to garden and covered lightwell to dwelling house (Class C3).

  Decided 10 Feb 2014 Full applications
• 2013/6013/L Granted

  4 Hampstead Square London NW3 1AB

  Replacement of glazed roof to existing porch with a slate roof.

  Decided 31 Oct 2013 Heritage and listed buildings
• 2013/1779/P Granted

  4 Hampstead Square London NW3 1AB

  Details required by condition 4(b) (tree protection measures) of planning permission 2012/3815/P dated 13/11/2012 for excavation works to provide new basement level, including installation of ground floor rooflights to garden and covered lightwell to dwelling house (Class C3)

  Decided 21 May 2013 Full applications
• 2012/6591/P Granted

  4 Hampstead Square London NW3 1AB

  Details of tree protection pursuant to condition 4(a) of planning permission granted on 13/11/2012 (ref: 2012/3815/P for the excavation works to provide new basement level, including installation of ground floor rooflights to garden and covered lightwell to dwelling house (Class C3)).

  Decided 4 Feb 2013 Full applications

1. 27 May 2026

   Received by Camden

2. 29 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 24 July 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 HAMPSTEAD SQUARE LONDON NW3 1AB

  2011/5738/L 50 yards away

  Alterations in association with proposed basement.

  Withdrawn Heritage and listed buildings

• 4 HAMPSTEAD SQUARE LONDON NW3 1AB

  2012/0345/P 50 yards away

  Extension and excavation to provide new basement level, including installation of 3 lightwells to dwelling house (Class C3).

  Withdrawn Full applications Extension
  Domestic

• 4 Hampstead Square London NW3 1AB

  2011/1023/L 50 yards away

  Erection of an enclosure to existing roof terrace at second floor level to dwelling (Class C3).

  Withdrawn Heritage and listed buildings
  Domestic

• 4 Hampstead Square London NW3 1AB

  2013/5661/L 50 yards away

  Alteration to rooflights in patio and path, alter extent of underground works to accommodate discovery of well and external pump for foul drainage, and excavation for new external fire escape to the west as amendment to Listed Building Consent (ref: 2012/3501/L).

  Granted Heritage and listed buildings Loft or dormer

• 4 Hampstead Square London NW3 1AB

  2012/6591/P 50 yards away

  Details of tree protection pursuant to condition 4(a) of planning permission granted on 13/11/2012 (ref: 2012/3815/P for the excavation works to provide new basement level, including installation of ground floor rooflights to garden and covered lightwell to dwelling house (Class C3)).

  Granted Full applications Loft or dormer Trees
  Domestic

• 4 Hampstead Square London NW3 1AB

  2026/2202/L Submitted 27 May 2026 50 yards away

  96% historically approved · decision due ~24 Jul

  Erection of conservatory to front elevation.

  Awaiting decision Heritage and listed buildings 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