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Planning application

East Wing The Royal Marsden Hospital Downs Road Sutton SM2 5PT

Granted Sutton DM2026/00685

Works: Extension 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

Application to vary condition 1 (approved drawings), 5 (fire safety strategy), 6 (solar PV array details) and 7 (acoustic assessment) of planning permission Ref: DM2024/01127 for the 'Erection of a part one, part two storey upwards extension from the original single storey building to provide plant rooms/enclosures housing extraction ducts/flues and rooftop ventilation, provision of external access stairs, solar panels to new flat roof and alterations to the existing ground floor internal layout' to allow for reduction to the first floor footprint of the building, altered fire escape plan and route with alterations to external staircases, alterations to number of PV panels and locations of flue enclosures, relocation of chiller plants and installation of acoustic attenuators to chiller units.

As published by the council, reference DM2026/00685

Application record

Reference
DM2026/00685
Status
Application Granted
Decision
Granted As published: Application Granted
Received
4 Jun 2026
Validated
30 Jul 2026
Decided
21 Sep 2026
Postcode
SM2 5PT

Timeline

Dates from the published record

  1. 4 Jun 2026

    Received by Sutton

  2. 30 Jul 2026

    Validated

    Checked as complete and ready for consideration.

  3. 11 Aug 2026

    Added to PlanIndex

  4. 21 Sep 2026

    Decision issued: Application Granted

  5. 21 Sep 2026

    Status changed to Application Granted

    Previously Pending Consideration.

What this grant of permission means

Sutton granted permission on 21 September 2026, 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 this record

The published feed does not state which type of application this is; the register entry on Sutton's portal will say. Our guide explains the common types.

Nearby applications

Within 0.3 miles