21 Harrington Square London NW1 2JJ

This site has had 4 applications since 2014: 4 approved, 0 refused.

• 2019/5264/L Granted

  21 Harrington Square London NW1 2JJ

  Alterations for refurbishment of Listed Building including; repair/replacement of roof tiles, replacement of window casements, re-ordering of internal layout, reinstatement of front railings at first floor, enlargement of rear lightwell, works to basement and creation of bridge to the rear of the property.

  Decided 7 Jan 2020 Heritage and listed buildings
• 2019/3474/P Granted

  21 Harrington Square London NW1 2JJ

  Alterations for refurbishment of Listed House in Multiple Occupancy (HMO - Sui Generis) Building including; repair/replacement of roof tiles, replacement of window casements, re-ordering of internal layout, reinstatement of front railings at first floor, enlargement of rear lightwell, works to basement and creation of bridge to the rear of the property.

  Decided 1 Oct 2019 Full applications
• 2014/5403/P Granted

  21 Harrington Square London NW1 2JJ

  Use of basement, first, second and third floors as a House in Multiple Occupation (HMO) containing 16 non self-contained rooms with shared facilities. (Revised)

  Decided 9 Oct 2014 Full applications

1. 5 Jul 2019

   Received by Camden

2. 14 Aug 2019

   Validated

   Checked as complete and ready for consideration.

3. 1 Oct 2019

   Decision issued: Granted

4. 22 Jul 2026

   Added to PlanIndex

5. 5 Sep 2026

   Status changed to FINAL DECISION

   Previously Final Decision.

Camden granted permission on 1 October 2019, 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.

• 21 Harrington Square London NW1 2JJ

  2019/3474/P Submitted 5 Jul 2019 50 yards away

  Alterations for refurbishment of Listed House in Multiple Occupancy (HMO - Sui Generis) Building including; repair/replacement of roof tiles, replacement of window casements, re-ordering of internal layout, reinstatement of front railings at first floor, enlargement of rear lightwell, works to basement and creation of bridge to the rear of the property.

  Granted Full applications Roofing Windows or glazing 24 docs

• 21 Harrington Square London NW1 2JJ

  2014/5403/P 50 yards away

  Use of basement, first, second and third floors as a House in Multiple Occupation (HMO) containing 16 non self-contained rooms with shared facilities. (Revised)

  Granted Full applications

• 21 Harrington Square London NW1 2JJ

  2019/5264/L 50 yards away

  Alterations for refurbishment of Listed Building including; repair/replacement of roof tiles, replacement of window casements, re-ordering of internal layout, reinstatement of front railings at first floor, enlargement of rear lightwell, works to basement and creation of bridge to the rear of the property.

  Granted Heritage and listed buildings Roofing Windows or glazing

• Flat A 22 Harrington Square London NW1 2JJ

  2016/3803/L 50 yards away

  Erection of external staircase to lower ground level following demolition of existing staircase (Retrospective)

  Refused Heritage and listed buildings Demolition

• Flat A 22 Harrington Square London NW1 2JJ

  2016/3434/P 50 yards away

  Erection of external staircase to lower ground level following demolition of existing staircase (Retrospective)

  Refused Full applications Demolition

• 23 Harrington Square London NW1 2JJ

  2013/7288/P 50 yards away

  Erection of single storey rear extension at ground level to residential flat.

  Refused 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