42 & Flat 42A Mornington Terrace London NW1 7RT

This site has had 2 applications since 2025: 2 approved, 0 refused.

• 2025/5117/L Granted

  42 & Flat 42A Mornington Terrace London NW1 7RT

  Amalgamation of two flats to create single dwellinghouse. Reinstatement of staircase between basement and ground floor.

  Decided 19 Dec 2025 Heritage and listed buildings

1. 12 Nov 2025

   Received by Camden

2. 19 Dec 2025

   Decision issued: Granted

3. 9 Aug 2026

   Added to PlanIndex

Camden granted permission on 19 December 2025, 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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 42 Mornington Terrace London NW1 7RT

  2015/3107/L 50 yards away

  Replacement of existing window and door and replacement of external staircase, at rear ground floor level.

  Granted Heritage and listed buildings Windows or glazing

• 5 Lyndhurst Gardens London NW3 5NS

  2017/1500/T 50 yards away

  REAR GARDEN: 7 x - 1 Row - Leyland Cypress - (Chaemcyparis x leylandii) -reduce height by 50%(3m) 2 x Apple - Reduce all new growth by 25%. 1 x - Bay (Laurus nobilus) - -Trim back to neat rounded shape for regular maintenance.

  Granted Trees

• 42 Mornington Terrace London NW1 7RT

  2021/2190/L 50 yards away

  Installation of temporary internal secondary glazing to eight windows and four mechanical ventilation units to the front of the property at all floors for noise mitigation during construction of the HS2 railway at Euston.

  Granted Heritage and listed buildings Windows or glazing

• 42 Mornington Terrace London NW1 7RT

  2025/2503/T 50 yards away

  FRONT GARDEN: 2 x Magnolia (Magnolia spp) (T1) - Reduce all round back to previous reduction points, approx. 1m leaving furnishing growth. Remove low small limb on back tree.

  Granted Trees

• 42 Mornington Terrace London NW1 7RT

  2015/5310/T 50 yards away

  FRONT GARDEN: 2 x Magnolia - Reduce height and lateral spread by 1.5m

  Granted Trees

• 42 & Flat 42A Mornington Terrace London NW1 7RT

  2025/5117/L Submitted 12 Nov 2025 50 yards away

  Amalgamation of two flats to create single dwellinghouse. Reinstatement of staircase between basement and ground floor.

  Granted Heritage and listed buildings New dwelling 2 docs
  Several homes

• 2026/0990/P Refused

  1 Bleeding Heart Yard & 19 Greville Street London EC1N 8SJ

  Change of use from office space and restaurant use (Class E) and members club (Sui Generis) to affordable workspace and restaurant use (Class E) and 1 x residential unit on the third and fourth floors (Class C3). Erection of a two-storey roof extension across 19 Greville Street and 1 Bleeding Heart Yard, including alterations at second-floor level to the interior courtyard elevation, ground-floor fenestration changes, and a roof terrace for the associated residential unit.

  Received 26 Mar, published by the council 24 Jul 2026 Full applications
• 2026/3044/P Granted

  London Irish Centre 50-52 Camden Square London NW1 9XB

  Details to discharge Condition 25 Part A (Air Quality Monitoring) of planning permission ref. 2020/1481/P dated 17/05/24 for 'Redevelopment of site to provide new and reconfigured community centre and ancillary residential accommodation (Class D1/ D2) involving alterations to retained buildings at No's. 50, 51 and 52 Camden Square including replacement of two storey 'link' building; demolition of Murray Street and Murray Mews buildings and replacement with part-three / part-four storey building (plus basement level) with second and third floor terraces and new entrance; associated landscaping and cycle parking'.

  Received 20 Jul, published by the council 2 Aug 2026 Full applications
• 2026/4338/P Awaiting decision

  32 Willoughby Road London NW3 1RU

  Details to discharge condition 6 (tree protection methods) of planning permission 2025/4186/P granted 13/11/2025 for 'Demolition of existing two storey outrigger and replacement with part two-storey, part single storey rear extension, loft conversion with dormer and roof light to main roof at rear, new windows to flanking wall, replacement of existing windows and installation of a gate and fence to side'.

  Received 5 Oct, published by the council 9 Oct 2026 Full applications
• 2026/4141/P Awaiting decision

  24 Endell Street London WC2H 9HQ

  Relocation of three air conditioning condenser units to first floor roof, construction of an acoustic enclosure and other associated works.

  Received 5 Oct, published by the council 9 Oct 2026 Full applications
• 2026/3907/P Awaiting decision

  Flat 1 16 Lyndhurst Road London NW3 5NL

  External renovations to the front of the property, including works to the entry porch, steps, replacment front door, installation of metal railings to boundary wall and paving to front garden and erection of a glass roof to the side passage to create a bike shelter.

  Received 5 Oct, published by the council 9 Oct 2026 Full applications