12 Gloucester Gate, 12 & 13 Gloucester Gate Mews. London NW1 4HG

This site has had 4 applications since 2016.

• 2015/6391/L Withdrawn

  12 Gloucester Gate, 12 & 13 Gloucester Gate Mews. London NW1 4HG

  Conversion of two residential units into a single dwellinghouse. Excavation of basement level underneath mews buildings and installation of 2 lightwells to the front of the dwelling. Erection of a single storey rear extension, part raising of the courtyard including the creation of a single storey subterranean level. Erection of a single storey infill extension to the side of the dwelling. Demolition and rebuild of mews buildings No. 12 and No. 13. internal alterations, and landscaping alterations.

  Decided 26 Feb 2016 Heritage and listed buildings
• 2015/6095/P Withdrawn

  12 Gloucester Gate, 12 & 13 Gloucester Gate Mews. London NW1 4HG

  Conversion of two residential units into a single dwellinghouse. Excavation of basement level underneath mews buildings and installation of 2 lightwells to the front of the dwelling. Erection of a single storey rear extension, part raising of the courtyard including the creation of a single storey subterranean level. Erection of a single storey infill extension to the side of the dwelling. Demolition and rebuild of mews buildings No. 12 and No. 13. internal alterations, and landscaping alterations.

  Decided 26 Feb 2016 Full applications
• 2015/6092/P Withdrawn

  12 Gloucester Gate, 12 & 13 Gloucester Gate Mews. London NW1 4HG

  Conversion of two residential units into a single dwellinghouse. Erection of a single storey rear extension, part raising of the courtyard including the creation of a single storey subterranean level. Erection of a single storey infill extension to the side of the dwelling. Demolition and rebuild of mews buildings No. 12 and No. 13. internal alterations, and landscaping alterations.

  Decided 26 Feb 2016 Full applications

1. 26 Feb 2016

   Decision issued: Withdrawn Decision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.

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 Gloucester Gate, 12 & 13 Gloucester Gate Mews London NW1 4AD

  2017/4111/P 50 yards away

  Variation of condition 3 (approved drawings) of planning permission 2016/4549/P dated 22/12/2016 (for erection of single storey extension connecting 12 Gloucester Gate to mews building and associated alterations), namely lowering of garden level by 200mm, insertion of lift to lightwell, setting back of bay on east elevation, a flat solid roof to garden room, insertion of roof light over lift shaft, reconfigured / additional windows at 2nd floor on south elevation, reconfigured roof lights at 2nd floor roof, relocation of door and widening of garage door to east elevation of 12 Gloucester Gate Mews.

  Refused Full applications Extension Loft or dormer +1
  Small domestic

• Gloucester Lodge 12 Gloucester Gate and 12 & 13 Gloucester Gate Mews London NW1 4HG

  2023/2155/P 50 yards away

  92% historically approved

  External alterations including replacement of fixed glazing with sliding doors to consented lightwell and installation of associated balustrades, change to material of mews courtyard elevation from painted brick to fair-faced brick, increase in height of garage doors on retained elevation of 12 Gloucester Gate Mews, reinstatement of existing door into Mews from courtyard and reinstatement of pedestrian gate on front boundary and associated works.

  At appeal Full applications Windows or glazing

• 12 Gloucester Gate London NW1 4HG

  2021/5051/P 50 yards away

  Details of measures to mitigate light spill required by condition 11 of planning permission 2020/0441/P dated 09/10/2020 for 'Variation of condition 3 (approved drawings) of planning permission 2016/4549/P dated 22/12/2016 (as amended by 2017/4111/P partly allowed at appeal 10/06/2019) (for erection of single storey extension connecting 12 Gloucester Gate to mews building and associated alterations), namely to allow lightwell (rather than rooflight) to courtyard'.

  Granted Full applications Extension Loft or dormer
  Small domestic

• 12 Gloucester Gate London NW1 4HG

  2015/6116/T 50 yards away

  DUPLICATE OF 6117 WHICH HAS ONE MORE TREE ON IT - REAR GARDEN: 1 x Horn beam - Fell to ground level. 1 x Lilac - Fell to ground level. 1 x Japanese Maple - Fell to ground level. FRONT GARDEN: 1 x Weeping Ash - Fell to ground level. 1 x Cherry - Fell to ground level.

  Withdrawn Trees

• 12 Gloucester Gate London NW1 4HG

  2020/0441/P 50 yards away

  Variation of condition 3 (approved drawings) of planning permission 2016/4549/P dated 22/12/2016 (as amended by 2017/4111/P partly allowed at appeal 10/06/2019) (for erection of single storey extension connecting 12 Gloucester Gate to mews building and associated alterations), namely to allow lightwell (rather than rooflight) to courtyard.

  Granted Full applications Extension Loft or dormer
  Small domestic

• 12 Gloucester Gate London NW1 4HG

  2015/5961/T 50 yards away

  DD 1x pendulous ash, FELL - dead, centre of front garden of 12 Gloucester Gate, London NW1

  Granted Trees

• 2026/1141/L Granted

  25 John Street London WC1N 2BS

  Internal and external alterations to partition layout at basement, supporting structures and external ground level, and alterations to design of conservatory, windows and doors granted under listed building consent 2024/0338/L dated 06/08/2024.

  Received 26 Mar, published by the council 24 Jul 2026 Heritage and listed buildings
• 2025/1781/L Granted

  Frognal Rise House Lower Terrace London NW3 6RE

  Demolition of existing garage and interlinking gallery and replacement with new garage and garden room with link, new basement floor below garden, alterations to main house including replacement windows including reinstated oriel window and new French doors to entrance elevation, new roofing to side wing, new portico and replacement door to front elevation, enlargement of existing lightwell, replacement gates and canopy over entrance gate, restorations of boundary treatments, associated internal alterations including partial underpinning works and other minor alterations.

  Received 22 Apr, published by the council 22 Jul 2026 Heritage and listed buildings
• 2026/4129/L Awaiting decision

  6 Leverton Street London NW5 2PJ

  Strip out kitchen including floor tiles and replace; replace plumbing and flooring in rear ensuite; replace plumbing in front ensuite and WC; replace internal doors; replace garden wall with metal railing; replace 3 rear windows, 3 rear elevation side windows, 1 rear door and 1 rear elevation side door with double-glazed crittal windows and doors; remove 2 rear windows; render rear elevation brickwork; and associated works.

  Received 1 Oct, published by the council 9 Oct 2026 Heritage and listed buildings
• 2026/1686/L Granted

  Flat Ground and 1st Floor and Flat 2nd and 3rd Floor 14 Downshire Hill London NW3 1NR

  External and internal alterations in connection with conversion of two self-contained flats into a single-family dwellinghouse, including new doors at rear ground and second floor level, replacement windows at rear second and third floors level, removal of internal partitions, extending the stair handrail, and replacement internal doors, parquet flooring, skirting, architraves, cornicing, and fittings.

  Received 19 May, published by the council 24 Jul 2026 Heritage and listed buildings
• 2026/2202/L Refused

  4 Hampstead Square London NW3 1AB

  Erection of conservatory to front elevation.

  Received 27 May, published by the council 24 Jul 2026 Heritage and listed buildings