Lower Maisonette 17 Frederick Street London WC1X 0NF

1. 14 Mar 2016

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 14 March 2016, 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.

• 17 Frederick Street London WC1X 0NF

  2017/1270/L 50 yards away

  New double-glazed painted timber doors and frames to the front area and rear garden (basement utility room).

  Granted Heritage and listed buildings Windows or glazing

• Flat B 17 Frederick Street London WC1X 0NF

  2012/4152/L 50 yards away

  Replacement of metal framed door and fanlight to first floor rear roof terrace with timber door and fanlight, and installation of two rooflights and a satellite dish to rear roof slope, plus internal alterations including the installation of secondary glazing to second and third floor level windows, and alterations to partitioning.

  Granted Heritage and listed buildings Loft or dormer Windows or glazing

• Flat B 17 Frederick Street London WC1X 0NF

  2012/4149/P 50 yards away

  Replacement of metal framed door and fanlight to first floor rear roof terrace with timber door and fanlight, plus installation of two rooflights and a satellite dish to rear roof slope of flats (Class C3).

  Granted Full applications New dwelling Loft or dormer

• 17 Frederick Street London WC1X 0NF

  2016/4269/L 50 yards away

  Basement damp-proofing works (external walls, party walls and spine walls). Damp-proofing system - existing sand/cement rendered brick walls overlaid with dry-lining comprising a 3mm thick isolating membrane (Newton 503 mesh) followed by a layer of plasterboard: - existing internal walls dry-lined with 12.5mm plasterboard (total dry-lining thickness of 28mm); - existing external walls dry-lined with 49.5mm insulated plasterboard (total dry-lining thickness of 65mm). New solid timber flush fire door and frame to basement utility room (to reinstate fire protection to circulation space and staircase).

  Withdrawn Heritage and listed buildings

• 17 Frederick Street London WC1X 0NF

  2016/6770/L 50 yards away

  Installation of new solid timber flush fire door and frame to basement utility room to provide fire protection to circulation space & staircase.

  Granted Heritage and listed buildings

• 17 Frederick Street London WC1X 0NF

  2017/0886/P 50 yards away

  New double-glazed painted timber doors and frames to the front area and rear garden (basement utility room).

  Granted Full applications Windows or glazing

• 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