25A Mornington Crescent London NW1 7RE

This site has had 2 applications since 2021: 0 approved, 2 refused.

• 2020/2313/P Refused

  25A Mornington Crescent London NW1 7RE

  Change of use from office (Class A2) to residential (Class C3) to create a one bedroom unit; erection of a single storey ground floor rear extension; creation of a first floor roof terrace including raising front and rear parapet walls; alterations to street frontage including erection of metal railings, provision of a refuse store and two cycle parking space within front garden; plus various alterations to elevations and fenestration

  Decided 26 Feb 2021 Full applications

1. 26 Feb 2021

   Decision issued: Refused

2. 22 Jul 2026

   Added to PlanIndex

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.

• 25 Mornington Crescent London NW1 7RE

  2013/0738/L 50 yards away

  Change of use from 9 x residential units (2 x 1-bedroom and 7 x studios) to 4 x 1-bedroom self-contained residential flats (Class C3), including installation of 1 x roof light to main roof and infill of 3 x windows to side elevation, internal alterations and works of refurbishment.

  Granted Heritage and listed buildings New dwelling Extension +2

• 25 Mornington Crescent London NW1 7RE

  2013/0735/P 50 yards away

  Change of use from 9 x residential units (2 x 1-bedroom and 7 x studios) to 4 x 1-bedroom self-contained residential flats (Class C3), including installation of 1 x roof light to main roof and infill of 3 x windows to side elevation and works of refurbishment.

  Granted Full applications New dwelling Extension +2

• 25A Mornington Crescent London NW1 7RE

  2020/2313/P 50 yards away

  Change of use from office (Class A2) to residential (Class C3) to create a one bedroom unit; erection of a single storey ground floor rear extension; creation of a first floor roof terrace including raising front and rear parapet walls; alterations to street frontage including erection of metal railings, provision of a refuse store and two cycle parking space within front garden; plus various alterations to elevations and fenestration

  Refused Full applications Extension Windows or glazing
  Small domestic

• 26 Mornington Crescent London NW1 7RE

  2023/3415/T 50 yards away

  REAR GARDEN: 1 x Pear (T2) - Crown thin by 20%.

  Granted Trees

• z27 Mornington Terrace London NW1 7RS

  2018/2354/P Submitted 21 May 2018 50 yards away

  Rebuilding defective rear garden separating walls.

  Granted Full applications 6 docs

• 27 Mornington Crescent London NW1 7RE

  2019/2648/T Submitted 21 May 2019 50 yards away

  REAR GARDEN: 1 x Acacia pravissima - Reduce overhang from no 26 by 0.75m, reduce height by 1m, reduce remainder by 0.5m volume and shape and clear from first-floor bedroom window of no 26 by 0.5m.

  Granted Trees 3 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