Council planning record

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.

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

Application GrantedReference: DM2026/00685London Borough of Sutton

Last published check: 27 Sept 2026, 14:13. Check the council record for more recent changes.

Application location

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

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Application summary

Status
Application Granted
Application type
Section 73
Received
4 Jun 2026
Validated
30 Jul 2026
Determination deadline
24 Sept 2026
Local authority
London Borough of Sutton

Application overview

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.

Proposal details

Reference
DM2026/00685
Ward
Belmont
Agent
Ansell & Bailey Architects Ltd

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Documents 30 of 30

DocumentPublishedAction
DECISION NOTICE GRANT FULDecision · PDF21 Sept 2026View
OFFICER REPORTOfficer Report · PDF21 Sept 2026View
MX POLLUTION CONTROLConsultee Comment24 Aug 2026View
Site NoticeSite Notice · PDF14 Aug 2026View
Site NoticeSite Notice · PDF14 Aug 2026View
MR PATRICK WHITTERConsultee Comment · PDF11 Aug 2026View
23026(01)-DRAWING ISSUE SHEET - PLANSSupporting Document · PDF30 Jul 2026View
Proposed GA Ground Floor PlanDrawing · PDF30 Jul 2026View
Proposed First Floor PlanDrawing · PDF30 Jul 2026View
Proposed Second Floor PlanDrawing · PDF30 Jul 2026View
PROPOSED ROOF PLANDrawing · PDF30 Jul 2026View
23026(02)-DRAWING ISSUE SHEET - ELEVATIONSSupporting Document · PDF30 Jul 2026View
PROPOSED NORTH & SOUTH ELEVATIONSDrawing · PDF30 Jul 2026View
PROPOSED EAST & WEST ELEVATIONDrawing · PDF30 Jul 2026View
23026(03)-DRAWING ISSUE SHEET - SECTIONSSupporting Document · PDF30 Jul 2026View
Proposed Sections E-E and F-FDrawing · PDF30 Jul 2026View
PROPOSED SECTIONS G-G AND H-HDrawing · PDF30 Jul 2026View
PROPOSED SECTION J-JDrawing · PDF30 Jul 2026View
Application Form (No personal data)Application Form · PDF4 Jun 2026View
Proposed First Floor Fire Strategy PlanSupporting Document · PDF4 Jun 2026View
Proposed Second Floor Fire Strategy PlanSupporting Document · PDF4 Jun 2026View
Aseptic Pharmacy Plant Noise AssessmentSupporting Document · PDF4 Jun 2026View
Proposed Roof Fire Strategy PlanSupporting Document · PDF4 Jun 2026View
Proposed Ground Floor Fire Strategy PlanSupporting Document · PDF4 Jun 2026View
Aseptic Pharmacy As Designed BRUKL Output DocumentSupporting Document · PDF4 Jun 2026View
Aseptic Suite Proposed Roof Panel Layout PlanDrawing · PDF4 Jun 2026View
Manufacturer`s Solar Panel Specifications/DatasheetSupporting Document · PDF4 Jun 2026View
Mechanical Engineer Calculations And Explanation EmailSupporting Document · PDF4 Jun 2026View
Aseptic Pharmacy As Designed BRUKL Output DocumentSupporting Document · PDF4 Jun 2026View
Aseptic Unit Technical Design Fire StrategySupporting Document · PDF4 Jun 2026View

Documents open on the council website. Browse council documents if a link has changed.

Application timeline

Council milestones and published deadlines. A deadline passing does not confirm a decision.

  1. Application Received Date

    Published milestoneCouncil source
  2. Application Validated Date

    Published milestoneCouncil source
  3. Latest Site Notice Expiry Date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source
  4. Decision Issued Date

    Published milestoneCouncil source
  5. Determination Deadline

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source

Decision & conditions

Application Granted
DECISION NOTICE GRANT FUL

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