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 0m 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 2m 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 2m 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 6m 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 6m 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 12m away

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

  Refused Full applications Extension
  Small domestic

• 2026/3332/L Granted

  82 Hampstead High Street London Camden NW3 1RE

  Replacement chimney pots & chimney repairs.

  5 Aug 2026 Heritage and listed buildings
• 2026/3162/L Granted

  48 Monmouth Street London WC2H 9EP

  Repainting works to shopfront and projecting sign bracket and display of 1 x non-illuminated fascia sign and 1 x non-illuminated replacement projecting sign.

  27 Jul 2026 Heritage and listed buildings
• 2026/3964/L Awaiting decision

  3 Gainsborough Gardens London NW3 1BJ

  Reorganisation of the front garden

  14 Sep 2026 Heritage and listed buildings
• 2026/3052/L Refused

  128 St Pancras Way London NW1 9NB

  Erection of rear extension and internal alterations.

  17 Jul 2026 Heritage and listed buildings
• 2026/3142/L Granted

  The British Museum Great Russell Street London WC1B 3DG

  Installation of metal gate in place of approved replacement brick wall on northern boundary between nos. 11 Montague Street & 43 Russell Square.

  24 Jul 2026 Heritage and listed buildings