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Planning application

23 Maryon Mews London NW3 2PU

Granted Camden 2021/3055/P Full applications

Works: Extension

Relates to 2021/3002/P

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

Proposal

Erection of a roof extension to create an additional storey, with front and rear balconies, and Solar PV panels on roof (to be undertaken with no. 22, 2021/3002/P).

As published by the council, reference 2021/3055/P

Application record

Reference
2021/3055/P
Category
Full applications
Status
Final Decision
Decision
Granted Subject to a Section 106 Legal Agreement
Decided
14 Sep 2022
Postcode
NW3 2PU

Timeline

Dates from the published record

  1. 14 Sep 2022

    Decision issued: Granted Subject to a Section 106 Legal Agreement

  2. 22 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 2021/3002/P Granted

    22 Maryon Mews London NW3 2PU

    Erection of a roof extension to create an additional storey, with front and rear balconies, and Solar PV panels on roof (to be undertaken with no. 23, 2021/3055/P).

    Decided 14 Sep 2022 Full applications

1 later application on the register refers to this one:

  • 2021/3002/P Granted

    22 Maryon Mews London NW3 2PU

    Erection of a roof extension to create an additional storey, with front and rear balconies, and Solar PV panels on roof (to be undertaken with no. 23, 2021/3055/P).

    Decided 14 Sep 2022 Full applications

What this grant of permission means

Camden granted permission on 14 September 2022, 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

  • 22 Maryon Mews London NW3 2PU

    2011/1630/P 0m away

    Erection of an extension at roof level to existing dwelling house (C3).

    Withdrawn Full applications Extension
    Domestic

  • 19 MARYON MEWS LONDON NW3 2PU

    2011/5573/P 0m away

    Erection of infill extension with new windows at first and second floor level to rear elevation of dwelling house (Class C3).

    Withdrawn Full applications Extension Windows or glazing
    Domestic

  • 21 Maryon Mews London NW3 2PU

    2011/2044/P 0m away

    Alterations and additions including rear infill extension with new windows at first and second floor level, access to roof terrace and timber fencing at roof level in connection with use as a roof terrace to existing house (Class C3)

    Granted Full applications Extension Windows or glazing

  • 19 Maryon Mews London NW3 2PU

    2014/4503/P 0m away

    Erection of a rear two storey infill extension at first floor level

    Granted Full applications Extension

  • 22 Maryon Mews London NW3 2PU

    2021/3002/P 0m away

    Erection of a roof extension to create an additional storey, with front and rear balconies, and Solar PV panels on roof (to be undertaken with no. 23, 2021/3055/P).

    Granted Full applications Extension

  • 19 Maryon Mews London NW3 2PU

    2013/6243/P 0m away

    Erection of stairwell, installation of metal balustrade and timber fencing at roof level in association with creation of roof terrace to dwelling house (Class C3)

    Granted Full applications
    Domestic

In Camden

  • 2026/2471/P Granted

    Flat A 26 Eton Avenue London NW3 3HL

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    15 Jun 2026 Full applications
  • 2026/2467/P Granted

    42 Mornington Terrace London Camden NW1 7RT

    Replacement door and window at lower ground floor level to rear outrigger and installation of sandstone steps in rear garden.

    12 Jun 2026 Full applications
  • 2026/2424/P Granted

    British Museum Great Russell Street London WC1B 3DG

    Details of SUDS system evidence required by Condition 10 of planning permission ref 2023/1848/P dated 17/07/2024 for Erection of new two storey building, plus basement and associated works to provide plant and welfare accommodation ancillary to the Museum following demolition of existing building and two storey structures on East Road (to the rear of 9-11 Montague Street and 43 Russell Square)

    11 Jun 2026 Full applications
  • 2026/3888/P Awaiting decision

    Unit A, Ground Floor West 3-5 Bleeding Heart Yard London EC1N 8SJ

    Replace solid metal ground floor entrance door with glazed entrance door (Retrospective).

    9 Sep 2026 Full applications
  • 2026/3903/P Awaiting decision

    2 Fellows Road London NW3 3LP

    Details pursuant to Condition 4 (Materials Details) of planning permission ref. 2026/2123/P (dated 21/07/2026) for: Amalgamation of existing two flats into one single dwellinghouse (Class C3); garage conversion to habitable space; infill extension at front lower ground and ground floors; minor changes to fenestration at rear; erection of copper roof extension with rooflight to existing rear extension; replacement terrace railings; installation of rooflight to main roof; new front boundary railings and gates; refurbishment of front steps; rear garden landscaping works; and associated exterior alterations.

    9 Sep 2026 Full applications