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Planning application

DM2026/00802

The Royal Marsden Hospital Downs Road Sutton SM2 5PT

Awaiting decision Sutton Certificate of Proposed Use

Proposal

Provision of replacement windows and installation of cladding to the building.

As published by the council, reference DM2026/00802

Timeline

Dates from the published record

  1. 1 Jul 2026

    Received by Sutton

  2. 9 Jul 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Sutton for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About outline applications

How this application type works

An outline application tests the principle of developing a site before the detail is worked up. Some or all of the particulars, such as appearance, layout, scale, access and landscaping, are held back as reserved matters for later approval. Permission at outline stage does not by itself allow building to start; the reserved matters must be approved first.

More on outline applications in our guide

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