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Planning application

12 Trojan Business Centre, Cobbold Road, London, NW10 9ST

Refused Brent 26/0483 Full Planning Permission

Works: Extension Windows or glazing

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Change of use of mezzanine storage and extension to be used as ancillary offices, alteration to fenestration to front elevation, new windows, reinstating existing skylights and internal alterations

As published by the council, reference 26/0483

Application record

Reference
26/0483
Type
Full Planning Permission
Status
Decided
Decision
Permission Refused
Received
25 Feb 2026
Validated
25 Feb 2026
Decided
21 Apr 2026
Ward
Roundwood
Decision by
Delegated Team Manager
Postcode
NW10 9ST

Timeline

Dates from the published record

  1. 25 Feb 2026

    Received by Brent

  2. 21 Apr 2026

    Decision issued: Permission Refused

  3. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, an architecture practice registered in Kingston Upon Thames

2 applications on PlanIndex · across 2 councils

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Documents

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

7 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.

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What this refusal means

Brent refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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

  • 7 Trojan Business Centre, Cobbold Road, London, NW10 9ST

    20/2544 Submitted 19 Aug 2020 0m away

    Installation of 2 x shipping containers in front of the warehouse for use as storage.

    Granted Full applications 5 docs
  • Ground, first and second floor offices, Moran House, 449-451 High Road, London, NW10 2JJ

    21/1063 Submitted 23 Mar 2021 100m away

    Change of use of first and second floors offices (Use Class E) into 8 self-contained flats (Use Class C3) and works to include installation of dormer windows, directional window boxes and rooflights, creation of terraces and courtyards, replacement of metal sheeting with brickwork and new roof covering and conversion of ground floor office to provide cycle and refuse storage

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  • Telecommunications Mast, Moran House, 449-451 High Road, London, NW10 2JJ

    21/0018/TELN Submitted 29 Apr 2021 100m away

    Notification under the electronic communications code regulations 2003 as amended to utilise permitted development rights for proposed upgrade which consists of ancillary works only (Part of 16 of Schedule 2 of the Town and Country Planning General Permitted Development Order 2015, as amended)

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    25/0562/TELN Submitted 21 Aug 2025 100m away

    Telecommunications notification for removal of 6no. antennas and 15no. RRUs, installation of 6no. antennas, 9no. ERS units and ancillary works including internal upgrade of existing cabinets thereto under the Electronic Communications Code (Conditions and Restrictions) Regulations 2003 (As Amended) to utilise permitted development rights at Moran House, 449-451 High Road, London, NW10 2JJ (NGRs: E 521860 / N 184787)

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    20/2662 Submitted 28 Aug 2020 110m away

    Conversion into 2 self-contained flats, a single storey side and rear extension, rear dormer window and 2 front rooflights to convert loft into habitable space and provision for cycle and refuse storage

    Granted Full applications New dwelling Extension +2 8 docs
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    20/2460 Submitted 13 Aug 2020 110m away

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In Brent

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  • 26/0825 Granted

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    30 Mar 2026 Full applications
  • 25/2559 Granted

    22 & 22A Birchen Grove, London, NW9 8SA

    Proposed de-conversion of 2x self-contained flats into 1x single-family dwellinghouse, erection of single-storey rear extension with raised terrace, hip to gable-end roof extension, rear dormer with Juliet balcony, 2x front rooflights, 1x second-floor side window, alteration to single-storey side extension roof and front porch (amended description)

    8 Sep 2025 Full applications