Spencer House 9-11 Belsize Park Gardens London NW3 4JR

This site has had 6 applications since 2019: 5 approved, 0 refused.

• 2026/3168/P Awaiting decision

  Spencer House 9-11 Belsize Park Gardens London NW3 4JR

  Creation of balconies at first floor level above front entrance porticos, including the installation of metal railings and french doors.

  Submitted 5 Aug 2026 Full applications
• 2026/1259/P Granted

  Spencer House 9-11 Belsize Park Gardens London NW3 4JR

  Alterations and extensions to roof to form front, side and rear dormers, with front and rear balconies.

  Decided 14 Jul 2026 Full applications
• 2026/0261/P Granted

  Spencer House 9-11 Belsize Park Gardens London NW3 4JR

  Internal works involving the reconfiguration of the existing 17 flats and the reduction to 16 x self-contained residential units (Class C3).

  Decided 17 Mar 2026 Lawful development
• 2025/5123/P Granted

  Spencer House 9 - 11 Belsize Park Gardens London NW3 4JR

  Use of the 17 individual self-contained flats across the five floors as private residential units (Class C3).

  Decided 20 Jan 2026 Lawful development
• 2019/2554/T Granted

  Spencer House 9 - 11 Belsize Park Gardens London NW3 4JR

  DD 5 Day Notice REAR GARDEN: 1 x Cherry - Fell to ground level and grinf stump.

  Decided 13 Jun 2019 Trees

1. 30 Mar 2026

   Received by Camden

2. 13 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 25 Jun 2026

   Decision issued: Granted

4. 24 Jul 2026

   Added to PlanIndex

Camden granted permission on 25 June 2026, 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.

• Spencer House 9-11 Belsize Park Gardens London NW3 4JR

  2026/1259/P Submitted 30 Mar 2026 50 yards away

  Alterations and extensions to roof to form front, side and rear dormers, with front and rear balconies.

  Granted Full applications Extension Loft or dormer 28 docs

• Spencer House 9-11 Belsize Park Gardens London NW3 4JR

  2026/3168/P Submitted 5 Aug 2026 50 yards away

  91% historically approved · decision due ~30 Sep

  Creation of balconies at first floor level above front entrance porticos, including the installation of metal railings and french doors.

  Awaiting decision Full applications Windows or glazing 16 docs

• Spencer House 9 - 11 Belsize Park Gardens London NW3 4JR

  2025/5123/P Submitted 12 Nov 2025 50 yards away

  Use of the 17 individual self-contained flats across the five floors as private residential units (Class C3).

  Granted Lawful development New dwelling 16 docs

• Spencer House 9-11 Belsize Park Gardens London NW3 4JR

  2026/0261/P Submitted 22 Jan 2026 50 yards away

  Internal works involving the reconfiguration of the existing 17 flats and the reduction to 16 x self-contained residential units (Class C3).

  Granted Lawful development New dwelling 16 docs
  Major scheme

• Spencer House 9 - 11 Belsize Park Gardens London NW3 4JR

  2019/2554/T Submitted 16 May 2019 50 yards away

  DD 5 Day Notice REAR GARDEN: 1 x Cherry - Fell to ground level and grinf stump.

  Granted Trees 3 docs

• Flat 2 13 Belsize Park Gardens London NW3 4JG

  2010/4155/T 50 yards away

  REAR GARDEN: 1 x Tilia SP (Lime) - Remove Ivy from tree, Crown reduce to previous reduction points 25-30%

  Granted Trees

• 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
• 2026/3146/P Granted

  Flat A, 1 Evangelist Road London NW5 1UA

  Erection of a single storey side infill extension and a bay window to rear elevation at lower ground floor.

  Received 27 Jul, published by the council 31 Jul 2026 Full applications
• 2026/3898/P Awaiting decision

  98 Marchmont Street London WC1N 1AG

  Installation of a new kitchen extraction and ventilation system to the rear of the premises, including associated external ductwork, extraction plant and ancillary equipment.

  Received 16 Sep, published by the council 17 Sep 2026 Full applications
• 2026/2709/P Awaiting decision

  166A Camden Street London NW1 9PT

  Change of use from Use Class E to C3 Residential, demolition of existing store and office space, and erection of a three-bedroom dwellinghouse.

  Received 16 Sep, published by the council 17 Sep 2026 Full applications
• 2025/3861/P Granted

  273 Eversholt Street London NW1 1BA

  Excavation of rear lightwell at basement level, erection of ground floor rear extension, erection of outbuilding to rear, enlargement of openings on front and rear elevations at basement and ground floor levels, and ancillary landscaping and drainage works associated with the creation of a residential unit (Class C3) across basement and part ground floor levels.

  Received 8 Sep, published by the council 24 Jul 2026 Full applications