Lief House 3 Sumpter Close London NW3 5HR

This site has had 4 applications since 2025: 2 approved, 0 refused.

• 2026/2312/P Awaiting decision

  Lief House 3 Sumpter Close London NW3 5HR

  Erection of a five-storey upwards extension to existing four-storey building for the provision of new self-contained residential (Class C3) units. Associated works including provision of roof level terrace and plant facility, ground level child play space, cycle store, extension of external bin store, with improved ramp and stepped access to building entrance.

  Submitted 5 Jun 2026 Full applications
• 2025/5315/P Granted

  Lief House 3 Sumpter Close London NW3 5HR

  Non-material amendment to planning permission ref. 2025/1982/P (dated 28/07/2025) for 'Change of use from commercial/office (Class E) to residential (Class C3) to create 20no. self-contained dwellings under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended)', NAMELY for changes to the internal floorplans of the proposed flats.

  Decided 16 Dec 2025 Amendments
• 2025/1982/P Granted

  Lief House 3 Sumpter Close London NW3 5HR

  Change of use from commercial/office (Class E) to residential (Class C3) to create 20no. self-contained dwellings under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).

  Decided 28 Jul 2025 Full applications

1. 22 Dec 2025

   Received by Camden

2. 24 Dec 2025

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 18 February 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Camden took a median of 42 days over the applications it decided in the last year.

This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided full applications in a median of 56 days. More in our guide to how long planning decisions take.

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.

• Lief House 3 Sumpter Close London NW3 5HR

  2026/2312/P Submitted 5 Jun 2026 50 yards away

  91% historically approved · decision due ~14 Aug

  Erection of a five-storey upwards extension to existing four-storey building for the provision of new self-contained residential (Class C3) units. Associated works including provision of roof level terrace and plant facility, ground level child play space, cycle store, extension of external bin store, with improved ramp and stepped access to building entrance.

  Awaiting decision Full applications Extension 77 docs

• Lief House 3 Sumpter Close London NW3 5HR

  2025/1982/P 50 yards away

  Change of use from commercial/office (Class E) to residential (Class C3) to create 20no. self-contained dwellings under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).

  Granted Full applications

• 3 SUMPTER CLOSE LONDON NW3 5HR

  2012/0272/A 50 yards away

  Display of four non-illuminated white metal, clear perspex notice boards on north and south elevations.

  Granted

• Lief House 3 Sumpter Close London NW3 5HR

  2025/5315/P Submitted 24 Nov 2025 50 yards away

  Non-material amendment to planning permission ref. 2025/1982/P (dated 28/07/2025) for 'Change of use from commercial/office (Class E) to residential (Class C3) to create 20no. self-contained dwellings under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended)', NAMELY for changes to the internal floorplans of the proposed flats.

  Granted Amendments New dwelling 14 docs

• 122 Finchley Road London NW3 5JD

  2024/4716/P 50 yards away

  Alterations to shopfront.

  Refused Full applications Windows or glazing

• 122A Finchley Road London NW3 5HT

  2010/5329/P 50 yards away

  Change of use from restaurant (use class A3) to dual use takeaway (use class A5) and restaurant, with associated alterations to single storey rear extension and installation of plant equipment in rear garden structure.

  Refused Full applications Extension
  Small domestic

• 2026/0369/P Granted

  Railway embankment and land west of 49 Adelaide Road London NW3 3QB

  Installation of a new DNO (Distribution Network Operator) cabinet and erection secure access gate to Adelaide Road, erection of staircase to railway embankment, associated works.

  Received 17 Jul, published by the council 24 Jul 2026 Full applications
• 2026/3694/P Granted

  19 Charterhouse Street London EC1N 6RA

  Details pursuant to condition 19 (external lighting) of planning permission 2025/1683/P, granted subject to a legal agreement on 05/06/2026, for remodelling, refurbishment and extensions (including 3 additional storeys) of the existing building to provide Use Class E (commercial, retail/restaurant and jewellery workspace) and associated landscaping and facade works.

  Received 27 Aug, published by the council 5 Sep 2026 Full applications
• 2026/3904/P Granted

  14 Templewood Avenue London NW3 7XA

  Details pursuant to Condition 5 (Tree protection measures) of planning permission 2026/2315/P dated 10/08/2026 for "Erection of an orangery/outbuilding in the rear garden."

  Received 9 Sep, published by the council 11 Sep 2026 Full applications
• 2025/2002/P Granted

  11 Doughty Street London WC1N 2PL

  Change of use from office (Class E) to residential to form a single-family dwelling (Class C3); associated internal and external alterations

  Received 9 May, published by the council 22 Jul 2026 Full applications
• 2026/3551/P Granted

  19 Charterhouse Street London EC1N 6RA

  Details pursuant to condition 21 (Details of gates/barriers onto Charterhouse Street) of planning permission 2025/1683/P, granted subject to a legal agreement on 05/06/2026, for remodelling, refurbishment and extensions (including 3 additional storeys) of the existing building to provide Use Class E (commercial, retail/restaurant and jewellery workspace) and associated landscaping and facade works.

  Received 19 Aug, published by the council 22 Aug 2026 Full applications