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Planning application

Basement Flat 18 Chalcot Square London NW1 8YA

Granted Camden 2026/1897/P Full Planning Permission

Works: Windows or glazing

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Replacement of existing rear windows and doors and erection of pergola.

As published by the council, reference 2026/1897/P

Application record

Reference
2026/1897/P
Type
Full Planning Permission
Status
Final Decision
Decision
Granted
Received
12 May 2026
Validated
21 May 2026
Decided
3 Aug 2026
Ward
Primrose Hill
Decision by
Delegated
Postcode
NW1 8YA

Site history

Applications at this address on the Camden register

This site has had 3 applications since 2026: 2 approved, 0 refused.

  • 2026/3972/T Awaiting decision

    Basement Flat 18 Chalcot Square London NW1 8YA

    REAR GARDEN: 1 x Willow (T1) - Reduce back to previous reduction points (approx. 1.3m - 1.5m all around. Thin remaining crown density by approx. 20%. 1 x Elder (T2) - Reduce crown by approx. 1.4m by reducing overlong branches back into the main crown structure. Tip prune lateral and sub lateral branches growing forward over soft planting beds by approx. 1m.

    Submitted 14 Sep 2026 Trees
  • 2026/2071/L Granted

    Basement Flat 18 Chalcot Square London NW1 8YA

    Replacement of existing rear windows and doors and erection of pergola.

    Decided 3 Aug 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 12 May 2026

    Received by Camden

  2. 21 May 2026

    Validated

    Checked as complete and ready for consideration.

  3. 24 Jul 2026

    Added to PlanIndex

  4. 3 Aug 2026

    Decision issued: Granted

Documents

Plans, drawings, consultee responses and the officer's report

15 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Camden granted permission on 3 August 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.

About full applications

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.

Nearby applications

Within 0.3 miles

  • 18 Chalcot Square London NW1 8YA

    2015/1551/T 50 yards away

    DD - 1 x Black Poplar - Fell to ground level - DD

    Granted Trees
  • 18 Chalcot Square London NW1 8YA

    2024/1800/T Submitted 8 May 2024 50 yards away

    REAR GARDEN: 1 x Elder (T1) - Fell to ground level. 1 x Goat Willow (T2) - Reduce crown by 3m - 4m, effectively creating a high pollard.

    Granted Trees 3 docs
  • 19 Chalcot Square London NW1 8YA

    2013/6944/T 50 yards away

    REAR GARDEN: 1 x Contorted Willow - Reduce and reshape all round by up to 1m. Clean out crown. 1 x Black Poplar - Repollard to previous points.

    Granted Trees
  • 19 Chalcot Square London NW1 8YA

    2026/3989/T Submitted 14 Sep 2026 50 yards away

    99% historically approved · decision due ~10 Nov

    REAR GARDEN: Mixed Species Bay, Cotoneaster and Laurel Hedging (S1) - Trim back hedging encroaching from the neighbouring property to control encroachment.

    Awaiting decision Trees 2 docs
  • Basement Flat 18 Chalcot Square London NW1 8YA

    2026/3972/T Submitted 14 Sep 2026 50 yards away

    99% historically approved · decision due ~10 Nov

    REAR GARDEN: 1 x Willow (T1) - Reduce back to previous reduction points (approx. 1.3m - 1.5m all around. Thin remaining crown density by approx. 20%. 1 x Elder (T2) - Reduce crown by approx. 1.4m by reducing overlong branches back into the main crown structure. Tip prune lateral and sub lateral branches growing forward over soft planting beds by approx. 1m.

    Awaiting decision Trees 2 docs
  • 18 Chalcot Square London NW1 8YA

    2022/4529/T 50 yards away

    REAR GARDEN: 1 x Bay (T1) - Section fell to ground level and treat with systemic herbicide. 1 x Mature Elder (T2) - Reduce overlong extraneous branches back into main crown structure, approx. 1.5m. Reduce crown overhanging Chalcot Square by approx. 1m to control encroachment. Lightly thin crown density by 15% - 20%. 1 x Willow (T3) - Reduce crown back to previous and most recent reduction points, approx. 1.5m.

    Granted Trees

In Camden

  • 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
  • 2026/4015/P Awaiting decision

    5 Fitzroy Square London W1T 5HH

    Change of use from offices (Use Class E) to a single dwelling house (Use Class C3).

    Received 16 Sep, published by the council 21 Sep 2026 Full applications
  • 2026/3994/P Awaiting decision

    Euston Tower 286 Euston Road London NW1 3DP

    Details to discharge Condition 23 (LUL Subculture) of planning reference 2023/5240/P dated 26/01/26 for redevelopment of Euston Tower comprising retention of parts of the existing building (including central core, basement and foundations) and erection of a new building incorporating these retained elements, to provide a 32-storey mixed-use building providing offices and research and development floorspace (Class E(g)) and office, retail, caf?? and restaurant space (Class E) and Enterprise Space (Class E/F) at ground and first floors, and associated external terraces; public realm enhancements, including new landscaping and provision of new publicly accessible steps and ramp; short and long stay cycle storage; servicing; refuse storage; plant and other ancillary and associated work.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 2026/3993/P Awaiting decision

    Euston Tower 286 Euston Road London NW1 3DP

    Details to discharge Condition 22 (LUL Infrastructure) of planning reference 2023/5240/P dated 26/01/26 for redevelopment of Euston Tower comprising retention of parts of the existing building (including central core, basement and foundations) and erection of a new building incorporating these retained elements, to provide a 32-storey mixed-use building providing offices and research and development floorspace (Class E(g)) and office, retail, caf?? and restaurant space (Class E) and Enterprise Space (Class E/F) at ground and first floors, and associated external terraces; public realm enhancements, including new landscaping and provision of new publicly accessible steps and ramp; short and long stay cycle storage; servicing; refuse storage; plant and other ancillary and associated work.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications