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Planning application

21 Belsize Park London NW3 4DU

Granted Camden 2023/3452/P Full applications

Works: Loft or dormer Windows or glazing

Relates to 2023/1699/P

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

Proposal

Details pursuant to condition 4 (reintstatement works) and 5 (details of altered windows and doors) of planning permission 2023/1699/P, for: Undertake external alterations to the existing building, including; various alterations to existing windows and joinery, creation of a rear facing roof terrace and enlargement of the existing rear facing roof dormer, removal of existing ancillary built elements, alterations to the front facade at the upper ground floor level.

As published by the council, reference 2023/3452/P

Application record

Reference
2023/3452/P
Category
Full applications
Status
Final Decision
Decision
Granted
Decided
24 Oct 2023
Postcode
NW3 4DU

Site history

Applications at this address on the Camden register

This site has had 5 applications since 2022: 5 approved, 0 refused.

  • 2024/1240/P Granted

    21 Belsize Park London NW3 4DU

    Details pursuant to condition 5 (ASHPs and mechanical ventilation) of planning permission 2021/5882/P (dated 15/09/2022) for; Change of use and conversion of existing hotel (C1) and associated basement flat (C3) to single family 6-bedroom dwellinghouse (C3). Drawing Nos: PL-11 rev1; PL-01; PL-12; PL-02; PL-03; Design, Access and Heritage; Belsize Park Covering statement; ASHP Noise Assessment; Supporting SAP worksheets for energy and sustainability statement; Energy & sustainability option

    Decided 24 May 2024 Full applications
  • 2023/0124/T Granted

    21 Belsize Park London NW3 4DU

    REAR GARDEN: 1 x London Plane (T1) - Fell to ground level and grind stump to 300mm below ground level.

    Decided 1 Mar 2023 Trees
  • 2021/5882/P Granted

    21 Belsize Park London NW3 4DU

    Change of use and conversion of existing hotel (C1) and associated basement flat (C3) to single family 6-bedroom dwellinghouse (C3).

    Decided 15 Sep 2022 Full applications
  • 2022/2428/T Granted

    21 Belsize Park London NW3 4DU

    FRONT GARDEN: 1 x Damson (T1) - Fell to ground level. REAR GARDEN: 1 x London Plane (T2) - Re-pollard.

    Decided 20 Jul 2022 Trees

Timeline

Dates from the published record

  1. 24 Oct 2023

    Decision issued: Granted

  2. 22 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 2023/1699/P Granted

    21 Belsize Park London Camden NW3 4DU

    Undertake external alterations to the existing building, including; various alterations to existing windows and joinery, creation of a rear facing roof terrace and enlargement of the existing rear facing roof dormer, removal of existing ancillary built elements, alterations to the front facade at upper ground floor level.

    Decided 7 Jun 2023 Full applications

What this grant of permission means

Camden granted permission on 24 October 2023, 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

  • 21 Belsize Park London Camden NW3 4DU

    2023/1699/P 50 yards away

    Undertake external alterations to the existing building, including; various alterations to existing windows and joinery, creation of a rear facing roof terrace and enlargement of the existing rear facing roof dormer, removal of existing ancillary built elements, alterations to the front facade at upper ground floor level.

    Granted Full applications Loft or dormer Windows or glazing

  • Garden Flat 21 Belsize Park London NW3 4DU

    2022/5214/T 50 yards away

    REAR GARDEN: Group of Conifers (G1) (see photo) - Fell to ground level.

    Granted Trees

  • Dillons Hotel 21 Belsize Park London NW3 4DU

    2013/6504/T 50 yards away

    REAR GARDEN: 1 x London Plane - Reduce to previous points repollard at 10/12m. 1 x Row of Leylandii - Reduce to even height face back.

    Granted Trees

  • 21 Belsize Park London NW3 4DU

    2024/1240/P Submitted 28 Mar 2024 50 yards away

    Details pursuant to condition 5 (ASHPs and mechanical ventilation) of planning permission 2021/5882/P (dated 15/09/2022) for; Change of use and conversion of existing hotel (C1) and associated basement flat (C3) to single family 6-bedroom dwellinghouse (C3). Drawing Nos: PL-11 rev1; PL-01; PL-12; PL-02; PL-03; Design, Access and Heritage; Belsize Park Covering statement; ASHP Noise Assessment; Supporting SAP worksheets for energy and sustainability statement; Energy & sustainability option

    Granted Full applications 2 docs
    Domestic

  • 21 Belsize Park London NW3 4DU

    2022/2428/T 50 yards away

    FRONT GARDEN: 1 x Damson (T1) - Fell to ground level. REAR GARDEN: 1 x London Plane (T2) - Re-pollard.

    Granted Trees

  • 21 Belsize Park London NW3 4DU

    2023/0124/T 50 yards away

    REAR GARDEN: 1 x London Plane (T1) - Fell to ground level and grind stump to 300mm below ground level.

    Granted Trees

In Camden

  • 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