Lawn House 12 Hampstead Square London NW3 1AB

This site has had 3 applications since 2010: 3 approved, 0 refused.

• 2011/1194/L Granted

  Lawn House 12 Hampstead Square London NW3 1AB

  Submission of details of joinery and metal work pursuant to condition 3 of listed building consent dated 23/12/2010 (ref. 2010/5508/L) for alterations to rear elevation of dwelling house, to include the installation of ground floor balcony with railings, installation of windows and erection of a rear garden boiler house, following the demolition of existing ground floor conservatory.

  Decided 16 May 2011 Heritage and listed buildings
• 2010/5837/P Granted

  Lawn House 12 Hampstead Square London NW3 1AB

  Additions and alterations to rear elevation following demolition of existing rear ground floor single storey conservatory to existing dwelling house (Class C3), including the installation of a replacement 2 storey bay window at ground and first floor levels, basement window, basement doors and associated lead canopy, and ground floor balcony with railings, plus new external boiler house in rear garden

  Decided 23 Dec 2010 Full applications

1. 23 Dec 2010

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

1 later application on the register refers to this one:

• 2011/1194/L Granted

  Lawn House 12 Hampstead Square London NW3 1AB

  Submission of details of joinery and metal work pursuant to condition 3 of listed building consent dated 23/12/2010 (ref. 2010/5508/L) for alterations to rear elevation of dwelling house, to include the installation of ground floor balcony with railings, installation of windows and erection of a rear garden boiler house, following the demolition of existing ground floor conservatory.

  Decided 16 May 2011 Heritage and listed buildings

Camden granted permission on 23 December 2010, 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.

• 12 Hampstead Square London NW3 1AB

  2021/5522/T 0m away

  FRONT GARDEN: 1 x Ash (T2) - Prune clear of building by 2m.

  Granted Trees

• 12 Hampstead Square London NW3 1AB

  2018/5221/T 0m away

  FRONT GARDEN: 1 x Poplar - Fell to ground level REAR GARDEN: 1 x Magnolia - Reduce by approx. 1 - 1.5m, 15 - 20%

  Granted Trees

• 12 Hampstead Square London NW3 1AB

  2012/5811/T 0m away

  FRONT GARDEN: 1 x Poplar - Reduce major upright growth back to approx. 1m above original pollard points. Reduce and re-pollard remaining crown.

  Granted Trees

• 12 Hampstead Square London NW3 1AB

  2011/2420/T 0m away

  (TPO Ref: 10H) FRONT GARDEN: 1 x Ash - Remove dead wood/broken/unsound branches. Thin crown density by 20%.

  Granted Trees

• Lawn House 12 Hampstead Square London NW3 1AB

  2010/5837/P 0m away

  Additions and alterations to rear elevation following demolition of existing rear ground floor single storey conservatory to existing dwelling house (Class C3), including the installation of a replacement 2 storey bay window at ground and first floor levels, basement window, basement doors and associated lead canopy, and ground floor balcony with railings, plus new external boiler house in rear garden

  Granted Full applications Extension Demolition +1
  Small domestic

• 12 Hampstead Square London NW3 1AB

  2015/6448/T 0m away

  FRONT GARDEN: 1 x Poplar - Pollard to previous pollard points. REAR GARDEN: 1 x Fell to ground level.

  Granted Trees

• 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