25-27 Highgate High Street London N6 5JT

This site has had 2 applications since 2010: 1 approved, 0 refused.

• 2010/0454/P Withdrawn

  25-27 Highgate High Street, London N6 5JT

  Conversion of basement to create a self contained flat (Class C3) including formation of rear lightwell.

  Decided 8 Apr 2010 Full applications

1. 2 Nov 2010

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 2 November 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.

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.

• 29 Highgate High Street London N6 5JT

  2019/0661/L 50 yards away

  Refurbishment of Salisbury House including the waterproofing of the basement and replacement of cement renders and mortars with lime mortars. Removal of the second entrance and reconfigure and replace window in single storey extension. Provide a fire rated enclosure to the stair and a fire suppression system.

  Withdrawn Heritage and listed buildings Extension Windows or glazing
  Small domestic

• 25-27 Highgate High Street, London N6 5JT

  2010/0454/P 50 yards away

  Conversion of basement to create a self contained flat (Class C3) including formation of rear lightwell.

  Withdrawn Full applications

• 29 Highgate High Street London N6 5JT

  2018/6054/L Submitted 11 Dec 2018 50 yards away

  Refurbishment of Salisbury House including the waterproofing of the basement and replacement of cement renders and mortars with lime mortars. Removal of the second entrance and reconfigure and replace window in single storey extension. Provide a fire rated enclosure to the stair and a fire suppression system.

  Granted Heritage and listed buildings Extension Windows or glazing 23 docs
  Small domestic

• 29A Highgate High Street London N6 5JT

  2020/5706/T 50 yards away

  FRONT GARDEN: 2 x Limes (T1 & T2) - Reduce back to previous most recent reduction/pollard points. 1 x Evergreen Oak (T3) - Reduce crown by approx. 1.5m.

  Granted Trees

• 27 Highgate High Street London N6 5JT

  2010/1990/P 50 yards away

  Change of use of basement from ancillary residential use (Class C3) to ancillary retail use (Class A1), change of use of part of rear ground floor room from residential use (Class C3) to retail use (Class A1) and alterations to the rear fenestration .

  Granted Full applications Windows or glazing

• 5 Bisham Gardens London N6 6DJ

  2021/1336/P 50 yards away

  Details of condition 4 (facing materials) pursuant to planning permission 2020/2922/P dated 08/02/2021 for various alterations including works to the front wall, entrance path, steps and porch area finishes, replacement front door and fanlight.

  Granted Full applications Extension
  Small domestic

• 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