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Planning application

138 Arlington Road London NW1 7HP

Granted Camden 2020/5759/P Full applications

Works: Extension Loft or dormer Windows or glazing Small domestic

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

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

Proposal

Erection of mansard roof extension with front and rear dormer windows; erection of single storey rear infill extension with extended roof terrace at first floor level above; and replacement front and rear windows and doors.

As published by the council, reference 2020/5759/P

Application record

Reference
2020/5759/P
Category
Full applications
Status
Final Decision
Decision
Granted
Decided
6 May 2021
Postcode
NW1 7HP

Timeline

Dates from the published record

  1. 6 May 2021

    Decision issued: Granted

  2. 22 Jul 2026

    Added to PlanIndex

What this grant of permission means

Camden granted permission on 6 May 2021, 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

  • 140 Arlington Road London NW1 7HP

    2017/4236/P 4m away

    Mansard roof extension including two dormers to front and two dormers to rear elevations, to residential dwelling (Class C3).

    Granted Full applications Extension Loft or dormer
    Domestic

  • 140 Arlington Road London NW1 7HP

    2020/3846/P 4m away

    Reconstruction of front boundary wall, to include metal gate and railings above, to dwelling. (Retrospective)

    Granted Full applications
    Small domestic

  • 140 Arlington Road London NW1 7HP

    2018/0540/P 4m away

    Change of use from ancillary office space (Class B1a) to residential (Class C3) with 1st floor extension above, all to rear of dwelling.

    Granted Full applications Extension
    Domestic

  • 142-150 Arlington Road LONDON NW1 7HP

    2018/0690/P 4m away

    Details of roof mounted flues and satellite dishes as required by condition 12 of planning permission 2013/3487/P allowed at appeal on 11/07/2014 (ref APP/X5210/A/13/2208051) for extensions and alterations to and change of use of the existing building to provide 21 residential dwellings.

    Granted Full applications Extension

  • 5-6 Underhill Street LONDON NW1 7HS

    2017/4332/P 16m away

    Variation to condition 3 of planning permission 2015/0034/P dated 10/03/2016, for extensions and alterations to the existing building including erection of a single storey extension to the roof fronting Underhill Street to provide 1 x 3 bed self-contained flat (Class C3 use); namely to include increase in the height of the extension by 0.17m, increase in footprint, installation of new windows in the southwestern side elevation and alterations to the design and fenestration of the single storey extension at roof level.

    Granted Full applications Extension Windows or glazing
    Small domestic

  • 5-6 Underhill Street London NW1 7HS

    2019/0652/P 18m away

    Variation to condition 3 (approved plans) of planning permission ref 2017/4332/P dated 29/08/2019 (as a variation to planning permission ref 2015/0034/P dated 10/03/2016 for extensions and alterations to the existing building including erection of a single storey extension to the roof fronting Underhill Street to provide a self-contained flat), namely to allow an increase in height of the existing lift shaft by 0.5m, installation of a flank door on the side/rear elevation at second floor level to allow access to amended escape stairs fronting onto Underhill Street, alterations to fenestration on the front facade, and changes from a glass balustrade on the Underhill Street elevation to integral juliet balconies.

    Granted Full applications Extension Windows or glazing
    Small domestic

In Camden

  • 2026/2471/P Granted

    Flat A 26 Eton Avenue London NW3 3HL

    Proposed elevational alterations to side and rear of the garden flat.

    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