The Royal Marsden Hospital Downs Road Sutton SM2 5PT Data via plota.co.uk
Proposal
Installation of an air handling unit (AHU) with associated equipment. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 8 Dec 2026, from Sutton's recent full applications.
Documents 14
Statements & assessments 3
Plans & drawings 8
Application forms 1
Site constraints 5
Checked on 16 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI), Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Building
From the energy performance certificate lodged in May 2020, the latest held for this property. The building may have changed since. View the certificate
Every application in Sutton - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
Decision outlook
Day 15 of the 56-day target. Sutton usually decides full applications by day 56.
Plota live figures for full applications decided by Sutton in the last twelve months, from validation. Sutton decision record →
Public comments
No public comments yet.
Last counted 25 Oct 2026
Consultation & key dates
- Statutory expiry
- 8 Dec 2026
- Env. assessment
- No
Historical activity at this location
41 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Sutton is one of the fastest councils in England for householder decisions, ranking #14 out of 296. Only 13% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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The Royal Marsden Hospital Downs Road Sutton SM2 5PT
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