Flat 3 and Flat 4 23 Harrington Square London NW1 2JJ

1. 2 Apr 2019

   Received by Camden

2. 9 Apr 2019

   Validated

   Checked as complete and ready for consideration.

3. 9 Jul 2019

   Decision issued: Refused

4. 22 Jul 2026

   Added to PlanIndex

5. 17 Sep 2026

   Status changed to FINAL DECISION

   Previously Final Decision.

Camden refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• Flats 3 and 4 23 Harrington Square London NW1 2JJ

  2018/5167/L Submitted 24 Oct 2018 50 yards away

  Internal alterations in association with amalgamation of 2 flats into 1 at ground and first floor levels

  Refused Heritage and listed buildings New dwelling 24 docs
  Several homes

• 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

• 23 Harrington Square London NW1 2JJ

  2014/4085/P 50 yards away

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

  Refused Full applications Extension
  Small domestic

• 23 Harrington Square London NW1 2JJ

  2014/4254/L 50 yards away

  Internal and external alteration associated with erection of single storey rear extension at ground floor level to residential flat.

  Refused Heritage and listed buildings Extension
  Small domestic

• Flats 3 & 4 23 Harrington Square London NW1 2JJ

  2019/5938/L 50 yards away

  To amalgamate Flat 3 and Flat 4 at ground and first floor levels into one flat by adding a ladder.

  Granted Heritage and listed buildings
  Domestic

• 23 Harrington Square London NW1 2JJ

  2013/7517/L 50 yards away

  Internal and external alteration associated with erection of single storey rear extension at ground floor level to residential flat.

  Refused Heritage and listed buildings 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