12 Maryon Mews London NW3 2PU

This site has had 6 applications since 2015: 5 approved, 0 refused.

• 2015/3030/P Granted

  12 Maryon Mews London NW3 2PU

  Alterations to north easterly roof pitch and installation of 2 x rooflights.

  Decided 21 Jul 2015 Full applications
• 2015/1935/P Granted

  12 Maryon Mews London NW3 2PU

  Erection of single storey front extension to form new access

  Decided 17 Apr 2015 Full applications
• 2015/0437/P Granted

  12 Maryon Mews London NW3 2PU

  Erection of a two storey rear extension, extension to existing conservatory, replacement of rear ground floor timber doors with sliding metal framed doors and relocation of 2 x windows on rear elevation.

  Decided 24 Mar 2015 Full applications
• 2015/0621/P Granted

  12 Maryon Mews London NW3 2PU

  Installation of front door and associated surround to infill recessed front porch area

  Decided 12 Feb 2015 Full applications
• 2015/0622/P Granted

  12 Maryon Mews London NW3 2PU

  Installation of window on front elevation at first floor level

  Decided 12 Feb 2015 Full applications

1. 26 Jan 2015

   Decision issued: Withdrawn Decision

2. 22 Jul 2026

   Added to PlanIndex

The applicant withdrew this application before Camden decided it, and is free to submit a revised scheme at any time. 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.

• 12 Maryon Mews London NW3 2PU

  2015/1935/P 0m away

  Erection of single storey front extension to form new access

  Granted Full applications Extension
  Small domestic

• 12 Maryon Mews London NW3 2PU

  2015/0621/P 0m away

  Installation of front door and associated surround to infill recessed front porch area

  Granted Full applications Extension
  Small domestic

• 12 Maryon Mews London NW3 2PU

  2015/0622/P 0m away

  Installation of window on front elevation at first floor level

  Granted Full applications Windows or glazing

• 12 Maryon Mews London NW3 2PU

  2015/3030/P 0m away

  Alterations to north easterly roof pitch and installation of 2 x rooflights.

  Granted Full applications Loft or dormer

• 12 Maryon Mews London NW3 2PU

  2015/0437/P 0m away

  Erection of a two storey rear extension, extension to existing conservatory, replacement of rear ground floor timber doors with sliding metal framed doors and relocation of 2 x windows on rear elevation.

  Granted Full applications Extension Windows or glazing

• 1 A Maryon Mews London Camden NW3 2PU

  2025/3568/P Submitted 14 Aug 2025 9m away

  Single-storied first floor extension, proposed roof terrace with privacy screens and dormer window.

  Withdrawn Householder Extension Loft or dormer +1 29 docs
  Domestic

• 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