18 Perrin's Lane London NW3 1QY

This site has had 2 applications since 2023: 2 approved, 0 refused.

• 2022/4828/P Granted

  18 Perrin's Lane London NW3 1QY

  Retention of existing single storey extension and erection of new ground floor rear extension and replacement of windows at rear ground floor.

  Decided 24 Jan 2023 Full applications

1. 24 Jan 2023

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 24 January 2023, 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.

• 18 Perrin's Lane London Camden NW3 1QY

  2022/2967/L 50 yards away

  New Ground Floor rear extension with internal modifications and partial demolition of external brick wall to accommodate new bathroom, pantry space and new sash windows and timber French doors to external courtyard. Internal cosmetic redecoration and maintenance to Ground, First and Second Floor.

  Withdrawn Heritage and listed buildings Extension Demolition +1

• 18 Perrin's Lane London Camden NW3 1QY

  2022/2265/P 50 yards away

  New Ground Floor rear extension and partial demolition of external brick wall and new sash windows and timber French doors to external courtyard

  Withdrawn Full applications Extension Demolition +1

• 20 Perrin's Lane London NW3 1QY

  2015/5511/L 50 yards away

  Lowering of twentieth century closet wing and rear extension floor level with new concrete floor set on existing foundations; underpinning brick return wall of closet wing.

  Granted Heritage and listed buildings Extension

• 22 Perrins Lane London NW3 1QY

  2012/3558/L 50 yards away

  Replacement of existing timber door to front elevation.

  Granted Heritage and listed buildings

• 22 Perrin's Lane London NW3 1QY

  2021/3490/L 50 yards away

  Replacement of an existing rear extension glass roof with a new sliding pitched roof above the rear patio; replacement of existing rear patio single door with a new hardwood timber double glazed French double door (to match the original door); internal alterations including removal of internal walls to form re-configured kitchen (ground floor) and new shower room (second floor)

  Withdrawn Heritage and listed buildings Extension Windows or glazing

• 22 Perrin's Lane London NW3 1QY

  2021/2989/P 50 yards away

  Enclosing existing rear patio by way of erection of a new sliding pitched roof; replacement of existing rear patio single door with a new hardwood timber double glazed French double door (to match the original door) (See app: 2021/3490/L for associated internal alterations)

  Withdrawn Full applications Roofing 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