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
• 2026/2145/P Awaiting decision

  4 Hampstead Square London NW3 1AB

  Erection of conservatory to front elevation.

  Submitted 27 May 2026 Householder
• 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
• 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. 10 Aug 2015

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 10 August 2015, 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.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 4 HAMPSTEAD SQUARE LONDON NW3 1AB

  2011/5738/L 0m away

  Alterations in association with proposed basement.

  Withdrawn Heritage and listed buildings

• 4 HAMPSTEAD SQUARE LONDON NW3 1AB

  2012/0345/P 0m 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 0m 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 0m 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 0m 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 0m away

  96% historically approved · decision due ~24 Jul

  Erection of conservatory to front elevation.

  Awaiting decision Heritage and listed buildings Extension

• 2026/0825/L Granted

  88 Frognal London NW3 6XB

  Discharge of condition 4 (a) Plan, elevation and section drawings of all new internal doors at a scale of 1:10 with typical moulding and architrave details at a scale of 1:1. b) Plan, elevation and section drawings, including jambs, head and cill, of all new windows and doors, including garage doors and windows, at a scale of 1:10 with typical glazing bar details at 1:1) of 2025/3436/L (External works comprising demolition of existing conservatory and erection of single-storey ground floor extension; demolition of existing garage and erection of replacement garage; alterations and repairs to roof; repair and minor alterations to building facade; provision of new hard and soft landscaping. Interior works comprising general remodelling works; minor changes to planform and openings; installation of new mechanical and electrical services throughout)

  2 Mar 2026 Heritage and listed buildings
• 2026/2946/L Awaiting decision

  Flat 1, 73 Eton Avenue London NW3 3EU

  Replacement of existing defective rear lean-to conservatory with a new slimline powder-coated aluminium framed conservatory with clear double glazing, on the exact same footprint as existing.

  3 Sep 2026 Heritage and listed buildings
• 2026/3754/L Awaiting decision

  10 Great Ormond Street London Camden WC1N 3RB

  Coversion of 3 flats into 4 and internal alterations to the listed building

  2 Sep 2026 Heritage and listed buildings
• 2026/2194/L Withdrawn

  Dunboyne Road Estate Dunboyne Road London NW3 2YY

  Installation of Air Source and Water Source Heat Pumps in basement car park with associated acoustic and security enclosures; installation of PV Panels on roof of Blocks 1, 2 and 3; removal of existing gas boilers and associated plant; installation of a new estate-wide heating network including Heat Interface Units, radiators, pipework and associated infrastructure to serve Flats 1-71; excavation of trenches and installation of below-ground heating, water and electrical infrastructure; and associated ancillary works.

  29 May 2026 Heritage and listed buildings
• 2026/3773/L Awaiting decision

  47 Kelly Street London NW1 8PG

  Replacement of concrete roof tiles with slate roof tiles (Retrospective)

  28 Aug 2026 Heritage and listed buildings