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Planning application

26/00423/DET

James Clerk Maxwell Building 57 Waterloo Road London SE1 8WA

Granted Lambeth Approval of Details

Proposal

Approval of details pursuant to condition 4 (mechanical equipment) of Planning Permission Ref: 25/01285/FUL (Installation of an external escape stair to the rear lightwell from ground floor to 2nd floor level; the formation of bin store and enclosures to services in rear courtyard; the replacement of roller shutter to North elevation on Stamford Street with metal doors; plant room extension and replacement of louvres at the basement level; new external doors to rear of building at basement, ground floor and Level 1 with infill panels above, and new doors to Levels 4, 5, 6, 7, and 8; removal of 4 existing windows to first floor rear elevations, and infilling with recessed brickwork; installation of new external louvred door and metal louver to existing roof level plant room; new condensers within the existing basement lightwell to the southern elevation, replacement of fire escape doors; changes to external Level 1 ductwork, together with other associated works.) granted on 26.06.2025

As published by the council, reference 26/00423/DET

Timeline

Dates from the published record

  1. 10 Feb 2026

    Received by Lambeth

  2. 31 Mar 2026

    Decision issued: Grant Permission

  3. 25 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About conditions applications

How this application type works

This type of application deals with conditions attached to an existing permission, either by supplying the details a condition requires, called discharging it, or by asking to vary or remove one. It does not reopen the principle of the permission itself. Building often cannot lawfully start, or continue past a set stage, until the named conditions are discharged.

More on conditions applications in our guide

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