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Planning application

48338/APP/2026/1382

BROOK HOUSE 54A COWLEY MILL ROAD UXBRIDGE UB8 2FX

Decided Hillingdon Full

Proposal

Construction of two additional storeys to existing two-storey office building, with erection of a three-storey front extension, associated external alterations to the existing building (including replacement of the existing metal cladding facade with new brickworks and glazed facade, installation of a front entrance canopy), and reconfiguration of the existing car park. (AMENDED DESCRIPTION)

As published by the council, reference 48338/APP/2026/1382

Timeline

Dates from the published record

  1. 3 Jun 2026

    Received by Hillingdon

  2. 13 Jul 2026

    Validated

    Checked as complete and ready for consideration.

  3. 26 Jul 2026

    Added to PlanIndex

After the decision

The process from here

The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.

If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.

About full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

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