35 Flask Walk London NW3 1HH

This site has had 8 applications since 2015: 8 approved, 0 refused.

• 2018/5344/L Granted

  35 Flask Walk London NW3 1HH

  Condition 4 of 2017/1549/L

  Decided 13 Feb 2019 Heritage and listed buildings
• 2018/4261/P Granted

  35 Flask Walk London NW3 1HH

  Details of tree protection measures required by condition 5 of planning permission 2017/1328/P (dated 08/09/2017) for the 'Alterations to dwelling including the extension and alterations to rear garden annex; construction of a covered walkway in the garden courtyard; alterations to fenestrations; replacement boundary treatment to front and side; and minor alterations'

  Decided 8 Nov 2018 Full applications
• 2017/6984/P Granted

  35 Flask Walk London NW3 1HH

  Submission of green roof details as required by condition 4 of 2017/1328/P (dated 08/09/2017) for the 'alterations to dwelling including the extension and alterations to rear garden annex; construction of a covered walkway in the garden courtyard; and replacement boundary treatment'

  Decided 14 Feb 2018 Full applications
• 2017/1328/P Granted

  35 Flask Walk London NW3 1HH

  Alterations to GII listed dwelling including the extension and alterations to rear garden annex; construction of a covered walkway in the garden courtyard; alterations to fenestrations; replacement boundary treatment to front and side; and minor alterations to main dwelling (Use Class C3).

  Decided 8 Sep 2017 Full applications
• 2015/6875/P Granted

  35 Flask Walk London NW3 1HH

  Discharge of condition 6 (tree protection measures) pursuant to reference 2014/6213/P dated 07/07/15 (for extension to the garden annex to provide accommodation on two levels, construction of a covered walkway in the garden courtyard and minor alterations to main single family dwellinghouse).

  Decided 3 Feb 2016 Full applications
• 2014/6564/L Granted

  35 Flask Walk London NW3 1HH

  Internal and external works associated with extension to the garden annex to provide accommodation on two levels, construction of a covered walkway in the garden courtyard and internal alterations including replacement of the existing rear door to window all in association with the main single family dwelling (Class C3).

  Decided 7 Jul 2015 Heritage and listed buildings
• 2014/6213/P Granted

  35 Flask Walk London NW3 1HH

  Extension to the garden annex to provide accommodation on two levels, construction of a covered walkway in the garden courtyard and minor alterations to main single family dwellinghouse (Use Class C3).

  Decided 7 Jul 2015 Full applications

1. 8 Sep 2017

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

1 later application on the register refers to this one:

• 2018/5344/L Granted

  35 Flask Walk London NW3 1HH

  Condition 4 of 2017/1549/L

  Decided 13 Feb 2019 Heritage and listed buildings

Camden granted permission on 8 September 2017, 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.

• 35 Flask Walk London NW3 1HH

  2017/1328/P 50 yards away

  Alterations to GII listed dwelling including the extension and alterations to rear garden annex; construction of a covered walkway in the garden courtyard; alterations to fenestrations; replacement boundary treatment to front and side; and minor alterations to main dwelling (Use Class C3).

  Granted Full applications Extension
  Domestic

• 35 Flask Walk London NW3 1HH

  2014/6564/L 50 yards away

  Internal and external works associated with extension to the garden annex to provide accommodation on two levels, construction of a covered walkway in the garden courtyard and internal alterations including replacement of the existing rear door to window all in association with the main single family dwelling (Class C3).

  Granted Heritage and listed buildings Extension Windows or glazing
  Domestic

• 35 Flask Walk London NW3 1HH

  2015/6875/P 50 yards away

  Discharge of condition 6 (tree protection measures) pursuant to reference 2014/6213/P dated 07/07/15 (for extension to the garden annex to provide accommodation on two levels, construction of a covered walkway in the garden courtyard and minor alterations to main single family dwellinghouse).

  Granted Full applications Extension Trees
  Domestic

• 35 Flask Walk London NW3 1HH

  2014/6213/P 50 yards away

  Extension to the garden annex to provide accommodation on two levels, construction of a covered walkway in the garden courtyard and minor alterations to main single family dwellinghouse (Use Class C3).

  Granted Full applications Extension
  Domestic

• 35 Flask Walk London NW3 1HH

  2017/6984/P Submitted 20 Dec 2017 50 yards away

  Submission of green roof details as required by condition 4 of 2017/1328/P (dated 08/09/2017) for the 'alterations to dwelling including the extension and alterations to rear garden annex; construction of a covered walkway in the garden courtyard; and replacement boundary treatment'

  Granted Full applications Extension 7 docs
  Domestic

• 35 Flask Walk London NW3 1HH

  2018/5344/L Submitted 2 Nov 2018 50 yards away

  Condition 4 of 2017/1549/L

  Granted Heritage and listed buildings 10 docs

• 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