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Planning application

50 Maresfield Gardens London NW3 5RX

Granted Camden 2025/3501/P Approval of Details

Works: Extension Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Relates to 2023/3017/P

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

Proposal

Details submitted in relation to condition 4 (qualified engineer) of approved application 2023/3017/P, granted on 31/07/2025 (for: Replacement side extension behind new brick wall, basement extension with lightwells to the rear, new fenestration and roof form, soft and hard landscaping, garden shed/bike store and plant enclosure to house Air Source Heat Pumps.)

As published by the council, reference 2025/3501/P

Application record

Reference
2025/3501/P
Type
Approval of Details
Status
Final Decision
Decision
Granted
Received
11 Aug 2025
Validated
14 Aug 2025
Decided
12 Sep 2025
Ward
Belsize
Decision by
Delegated
Postcode
NW3 5RX

Site history

Applications at this address on the Camden register

This site has had 8 applications since 2011: 7 approved, 0 refused.

  • 2026/1683/P Granted

    50 Maresfield Gardens London NW3 5RX

    Details submitted in relation to condition 6 (hard and soft landscaping) of approved application 2023/3017/P (for: Replacement side extension behind new brick wall, basement extension with lightwells to the rear, new fenestration and roof form, soft and hard landscaping, garden shed/bike store and plant enclosure to house Air Source Heat Pumps.)

    Decided 9 Jul 2026 Full applications
  • 2025/4976/T Granted

    50 Maresfield Gardens London NW3 5RX

    (TPO REF: C231 T2) FRONT GARDEN: 1 x London Plane (T1) - Reduce by 2m - 3m from all aspects.

    Decided 9 Jan 2026 Trees
  • 2023/3017/P Granted

    50 Maresfield Gardens London NW3 5RX

    Replacement side extension behind new brick wall, basement extension with lightwells to the rear, new fenestration and roof form, soft and hard landscaping, garden shed/bike store and plant enclosure to house Air Source Heat Pumps.

    Decided 31 Jul 2025 Full applications
  • 2020/2361/T Granted

    50 Maresfield Gardens London NW3 5RX

    REAR GARDEN: 1 x G1 Holly (G1) - Reduce overhang by 2m back to boundary. 1 x London Plane (T1) - Reduce by 3m back to previous points of reduction.

    Decided 26 Jun 2020 Trees
  • 2011/3695/T Granted

    50 Maresfield Gardens London NW3 5RX

    REAR GARDEN: 1 x Sycamore - Reduce close to previous reduction points. Remove deadwood and reshape.

    Decided 1 Aug 2011 Trees
  • 2011/3694/T Granted

    50 Maresfield Gardens London NW3 5RX

    (TPO Ref: C231) FRONT GARDEN: 3 x London Plane - reduce close to previous reduction points. Remove deadwood and reshape.

    Decided 1 Aug 2011 Trees
  • 2025/3466/P Awaiting decision

    50 Maresfield Gardens London NW3 5RX

    Details submitted in relation to condition 5 (tree protection details) of approved application 2023/3017/P (for: Replacement side extension behind new brick wall, basement extension with lightwells to the rear, new fenestration and roof form, soft and hard landscaping, garden shed/bike store and plant enclosure to house Air Source Heat Pumps.)

    Full applications

Timeline

Dates from the published record

  1. 11 Aug 2025

    Received by Camden

  2. 14 Aug 2025

    Validated

    Checked as complete and ready for consideration.

  3. 12 Sep 2025

    Decision issued: Granted

  4. 22 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 2023/3017/P Granted

    50 Maresfield Gardens London NW3 5RX

    Replacement side extension behind new brick wall, basement extension with lightwells to the rear, new fenestration and roof form, soft and hard landscaping, garden shed/bike store and plant enclosure to house Air Source Heat Pumps.

    Decided 31 Jul 2025 Full applications

Documents

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

4 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 12 September 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.

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 500 metres

  • 50 Maresfield Gardens London NW3 5RX

    2026/1683/P Submitted 27 Apr 2026 0m away

    Details submitted in relation to condition 6 (hard and soft landscaping) of approved application 2023/3017/P (for: Replacement side extension behind new brick wall, basement extension with lightwells to the rear, new fenestration and roof form, soft and hard landscaping, garden shed/bike store and plant enclosure to house Air Source Heat Pumps.)

    Granted Full applications Extension Windows or glazing 15 docs
    Small domestic

  • 50 Maresfield Gardens London NW3 5RX

    2020/2361/T 0m away

    REAR GARDEN: 1 x G1 Holly (G1) - Reduce overhang by 2m back to boundary. 1 x London Plane (T1) - Reduce by 3m back to previous points of reduction.

    Granted Trees

  • 50 Maresfield Gardens London NW3 5RX

    2025/3466/P 0m away

    91% historically approved

    Details submitted in relation to condition 5 (tree protection details) of approved application 2023/3017/P (for: Replacement side extension behind new brick wall, basement extension with lightwells to the rear, new fenestration and roof form, soft and hard landscaping, garden shed/bike store and plant enclosure to house Air Source Heat Pumps.)

    Awaiting decision Full applications Extension Windows or glazing +1
    Small domestic

  • 50 Maresfield Gardens London NW3 5RX

    2011/3695/T 0m away

    REAR GARDEN: 1 x Sycamore - Reduce close to previous reduction points. Remove deadwood and reshape.

    Granted Trees

  • 50 Maresfield Gardens London NW3 5RX

    2011/3694/T 0m away

    (TPO Ref: C231) FRONT GARDEN: 3 x London Plane - reduce close to previous reduction points. Remove deadwood and reshape.

    Granted Trees

  • 50 Maresfield Gardens London NW3 5RX

    2025/4976/T Submitted 11 Nov 2025 0m away

    (TPO REF: C231 T2) FRONT GARDEN: 1 x London Plane (T1) - Reduce by 2m - 3m from all aspects.

    Granted Trees 4 docs

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
  • 2026/3994/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
  • 2026/3861/P Awaiting decision

    Beaumont Court 1-45 College Grove London NW1 0RW

    Installation of condensors and minor alterations to elevations at lower floors.

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