3 The Mount Square London NW3 6SU

This site has had 2 applications since 2010: 2 approved, 0 refused.

• 2010/2420/L Granted

  3 The Mount Square London NW3 6SU

  Alterations to increase the height of the existing chimney stack, retile the existing slate roof and alterations to external windows and doors, as well as associated internal refurbishment works to single dwelling house (Class C3).

  Decided 15 Jul 2010 Heritage and listed buildings

1. 15 Jul 2010

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 15 July 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.

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.

• 3 The Mount Square London NW3 6SU

  2010/2420/L 0m away

  Alterations to increase the height of the existing chimney stack, retile the existing slate roof and alterations to external windows and doors, as well as associated internal refurbishment works to single dwelling house (Class C3).

  Granted Heritage and listed buildings Roofing Windows or glazing
  Domestic

• 101-103 Heath Street London NW3 6SS

  2013/7472/P 12m away

  Change of use from shop (Class A1) to office use (Class B1) at basement, ground and part first floor levels for a temporary period of two years.

  Decided Full applications

• 101-103 Heath Street LONDON NW3 6SS

  2011/4878/P 12m away

  Change of use of part first floor level from gallery (Class A1) to residential (Class C3); erection of a two storey rear extension at ground and first floor levels following the demolition of existing single storey rear extension and store rooms in rear yard; associated alterations including alterations to the shopfront, replacement of existing rear second floor window with sliding doors and refurbishment works.

  Granted Full applications Extension Demolition +1
  Small domestic

• 99 Heath Street London NW3 6SS

  2010/6285/P 15m away

  Retention of roller shutter to west (The Mount) elevation of existing building (Class A2).

  Refused Full applications

• 99 Heath Street London NW3 6SS

  2010/2055/P 15m away

  Retrospective application for installation of windows on rear ground floor level extension within courtyard (north elevation), installation of roller shutter and entrance gate on The Mount frontage (west elevation) and associated alterations to existing building (Class A2)

  Withdrawn Full applications Extension Windows or glazing

• 99 Heath Street London NW3 6SS

  2010/3881/P 15m away

  Installation of aluminium louvred opening at roof level and timber louvred door to west side elevation of the existing building (Class A2).

  Granted Full applications

• 2026/2516/P Withdrawn

  31 Loveridge Road London Camden NW6 2DU

  Amalgamation of the existing three self-contained one-bedroom flats into a single-family dwelling house; demolition and replacement of existing outrigger; erection of a single-storey rear wrap-around extension; erection of a rear dormer extension; creation of a roof terrace above outrigger; replacement of existing windows with timber double glazed units; installation of rooflights to front roofslope; and installation of an air source heat pump in rear garden.

  16 Jun 2026 Full applications
• 2026/3830/P Awaiting decision

  Euston Tower 286 Euston Road London NW1 3DP

  Deed of variation to allow more flexibility with Affordable housing payments for redevelopment of Euston Tower comprising retention of parts of the existing building (including central core, basement and foundations) and erection of a new building incorporating these retained elements, to provide a 32-storey mixed-use building providing offices and research and development floorspace (Class E(g)) and office, retail, café and restaurant space (Class E) and Enterprise Space (Class E/F) at ground and first floors, and associated external terraces; public realm enhancements, including new landscaping and provision of new publicly accessible steps and ramp; short and long stay cycle storage; servicing; refuse storage; plant and other ancillary and associated work.

  4 Sep 2026 Full applications
• 2026/3282/P Granted

  5 Berkley Road London NW1 8XX

  Installation of 1no. above ground gas riser from the basement flat to the meter box at first floor (retrospective)

  31 Jul 2026 Full applications
• 2026/0483/P Granted

  100 Avenue Road London NW3 3HF

  Discharge of details for condition 47 (surface water run off details) of planning permission 2026/0404/P granted on 19/06/2026 for " Variation of conditions (2 plan numbers); 8 (quantum of commercial space); 13 (commercial windows); 15 (Wind Microclimate); 19 (commercial windows); 24 (Air quality); 34 (development quantum); 40 (Circular Economy); 44 (designing out crime); 45 (Fire Strategy); 46 (SuDS); 48 (Community facility removed), 48 (wheelchair units), 49 (TfL health and safety) to planning permission ref. 2025/0852/P (for demolition of building and provision of a mixed-use residential-led development) to secure alterations to the external appearance; internal residential and commercial space layouts; omission of community floorspace and increased affordable housing provision; cycle and car parking; hard and soft landscaping, and other associated amendments”

  9 Feb 2026 Full applications
• 2026/2697/P 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 Full applications