Flat A 3 Mornington Crescent London NW1 7RH

This site has had 5 applications since 2018: 4 approved, 0 refused.

• 2021/3966/P Granted

  Flat A 3 Mornington Crescent London NW1 7RH

  Details of chartered engineer required by condition 4 of planning permission 2018/0263/P dated 17 October 2018 for lower ground and ground floor rear extension including excavation.

  Decided 19 Oct 2021 Full applications
• 2019/3658/L Granted

  Flat A 3 Mornington Crescent London NW1 7RH

  The replacement of one non-original French door and side window to the rear (south-east elevation) at basement level for noise mitigation during construction of the HS2 railway at Euston.

  Decided 30 Aug 2019 Heritage and listed buildings
• 2018/0263/P Granted

  Flat A, 3 Mornington Crescent London NW1 7RH

  Lower ground and ground floor rear extension including excavation and installation of external rear staircase

  Decided 17 Oct 2018 Full applications
• 2018/0931/L Granted

  Flat A, 3 Mornington Crescent London NW1 7RH

  Lower ground and ground floor rear extension including excavation and installation of external rear staircase following removal of lower ground floor rear walls and fenestrations, and ground floor rear fenestrations

  Decided 17 Oct 2018 Heritage and listed buildings

1. 10 Aug 2023

   Decision issued: Withdrawn Decision

2. 22 Jul 2026

   Added to PlanIndex

• 2018/0931/L Granted

  Flat A, 3 Mornington Crescent London NW1 7RH

  Lower ground and ground floor rear extension including excavation and installation of external rear staircase following removal of lower ground floor rear walls and fenestrations, and ground floor rear fenestrations

  Decided 17 Oct 2018 Heritage and listed buildings

The applicant withdrew this application before Camden decided it, and is free to submit a revised scheme at any time. 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.

• Flat A 3 Mornington Crescent London NW1 7RH

  2021/3966/P 50 yards away

  Details of chartered engineer required by condition 4 of planning permission 2018/0263/P dated 17 October 2018 for lower ground and ground floor rear extension including excavation.

  Granted Full applications Extension

• 3 Mornington Crescent London NW1 7RH

  2015/3814/L 50 yards away

  Renewal of existing roof covering with natural slate and incorporation of insulation

  Granted Heritage and listed buildings Roofing

• Flat C 3 Mornington Crescent London NW1 7RH

  2021/2530/L 50 yards away

  Installation of internal secondary glazing to one window and one mechanical ventilation unit at the rear of the building at second floor level for noise mitigation during construction of the HS2 railway at Euston.

  Granted Heritage and listed buildings Windows or glazing

• Flat A, 3 Mornington Crescent London NW1 7RH

  2018/0263/P Submitted 17 Jan 2018 50 yards away

  Lower ground and ground floor rear extension including excavation and installation of external rear staircase

  Granted Full applications Extension 45 docs

• Flat A 3 Mornington Crescent London NW1 7RH

  2019/3658/L Submitted 18 Jul 2019 50 yards away

  The replacement of one non-original French door and side window to the rear (south-east elevation) at basement level for noise mitigation during construction of the HS2 railway at Euston.

  Granted Heritage and listed buildings Windows or glazing 7 docs

• Flat A, 3 Mornington Crescent London NW1 7RH

  2018/0931/L Submitted 17 Jan 2018 50 yards away

  Lower ground and ground floor rear extension including excavation and installation of external rear staircase following removal of lower ground floor rear walls and fenestrations, and ground floor rear fenestrations

  Granted Heritage and listed buildings Extension 2 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