Royal Marsden Hospital, 203 Fulham Road, London, SW3 6JJ Data via plota.co.uk

NMA/26/05819 - Non-Material Amendments Consultation
Admin / procedural

Proposal

Non-material amendment to planning permission PP/26/00240 (Demolition of existing Oratory Building, Grove House, Theatre 8 of the Chelsea Wing and ancillary structures and workshops within the Stewarts Grove Car Park to enable the extension of the existing Royal Marsden to provide further healthcare floorspace (Use Class C2). Proposals to include; a new extension consisting of basement, ground plus 6 storeys; a frontage building consisting of ground plus 2 storeys and a winter garden consisting of ground plus 2x storeys, together with a new accessible entrance and servicing bay on Fulham Road and associated landscaping, car parking, cycle parking and plant. (MAJOR APPLICATION)) to alter some of the wording within Condition 5, 19, 41, 42, 43, 44. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
27 Oct 2026
Decision
Expected by 24 Nov 2026

Under consideration

No decision has been issued yet. A decision is expected by 24 Nov 2026.

Comments are open until 27 Nov 2026

Comment on this application ↗

Documents

View the documents on the council's website ↗

Associated applications 2

Site constraints 10

Chelsea Park/Carlyle conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
Article 4 direction
Article 4 - No 100. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Tree preservation order
Consent is needed before work on protected trees.
Not every council has published its orders as open data, so no order shown is not proof there is none.
Air quality management area: Kensington and Chelsea AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
National infrastructure project about 710 m away: Thames Tideway Tunnel
The site is about 710 m from the project boundary. Waste water treatment, decided. The project page says whether consent was granted. Also within 2 km: London Strategic Heat Main Project (at pre-application, about 531 m).
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Planning Inspectorate project page ↗
Also on the record
11 listed buildings within 150 m of the postcode pin; Registered park or garden about 195 m away: St Luke's Garden; Inside the Kensington and Chelsea built-up area; Public transport access: PTAL 6a (excellent), TfL 2023, for the 100 m square; Town centre about 67 m away: Brompton Cross.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 3 November 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, 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.

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Important details

Council
Kensington and Chelsea
Application type
Non-Material Amendments
Postcode
SW3 6JJ
Received
27 Oct 2026
Validated
27 Oct 2026
Ward
Stanley
Target decision
24 Nov 2026

Consultation & key dates

Comments by
27 Nov 2026

Historical activity at this location

35 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Approved
Details required by condition 5 (Car parking / access management plan) of planning permis…
CON/25/00321
2024 Approved
Temporary erection of a PET-CT trailer in courtyard part of Royal Marsden Hospital adjace…
PP/24/04988
2024 Withdrawn
Installation of rooftop solar PV panels on both pitched and flat roofs
PA/24/01751
2022 Approved
Prune 2 x London Plane and 2 x Lime
ARB/22/04483
2021 Approved
Installation of an air conditioning condenser unit placed at ground level, away from adja…
PP/21/07314
2021 Approved
Works to car park area including: replacement of open cycle shelter with larger enclosed…
PP/21/04284
2019 Approved
Fell and Prune (as specified)
ARB/19/06682
2018 Approved
Refurbish and extend existing plant room serving radiotherapy and pharmacy areas to creat…
PP/18/00604
2017 Withdrawn
Provision of galvanised steel walkway for access between Wallace Wing and Mulberry House…
PP/17/00954
2016 Approved
Conversion of external flat roof into terrace with floor decking and glass balustrades ac…
PP/16/00722
Within ~100m

Nearby activity

2025
65 Sydney Street, London, SW3 6PX
Prune 1x Lime (Tilia spp) at rearRecent refusal ARB/25/167
ARB/25/06785
2025 Withdrawn
41 Sydney Street, London, SW3 6PZ
Construction of a mansard roof extension at third floor level, addition of an extension t…
LB/25/04092
2025 Withdrawn
41 Sydney Street, London, SW3 6PZ
Construction of a mansard roof extension at third floor level, addition of an extension t…
PP/25/04091
2025 Approved
33 Sumner Place, London, SW7 3NT
Refurbishment of windows and casement doors at front and rear elevations
LB/25/00739
2025 Approved
33 Sumner Place, London, SW7 3NT
Refurbishment of windows and casement doors at front and rear elevations
PP/25/00738
2025 Approved
Ground Floor Flat, 49 Sydney Street, London, SW3 6PX
Increase head height of front window opening. Fit slim line heritage double hung sash win…
PP/25/01526
2025 Approved
33 Sumner Place, London, SW7 3NT
Replacement rear steps; alterations to rear extension including new windows and roof ligh…
LB/25/00670
2025 Approved
Chelsea Wing, Royal Marsden Hospital, 203 Fulham Road, London, SW3 6JJ
Installation of 120 photovoltaic (PV) panels on the roof of Royal Marsden Hospital Chelse…
PA/25/01017
2025 Refused
65 Sydney Street, LONDON, SW3 6PX
FELL 1 x Lime (rear)
ARB/25/00167
2024 Withdrawn
41 Sydney Street, London SW3 6PX
Removal of two walls within basement and removal of plasterboard ceilings and internal do…
LB/24/08317
2024 Approved
First/second Floor Flat, 49 Sydney Street, LONDON, SW3 6PX
Erection of mansard roof extension with alterations to front & rear elevations and intern…
LB/24/06318
2024 Approved
First/second Floor Flat, 49 Sydney Street, LONDON, SW3 6PX
Erection of mansard roof extension with alterations to front & rear elevations and intern…
PP/24/06317
2024 Withdrawn
First/second Floor Flat, 49 Sydney Street, LONDON, SW3 6PX
Erection of mansard roof extension with alterations to front and rear elevations and inte…
PP/24/02621
2024 Withdrawn
First/second Floor Flat, 49 Sydney Street, LONDON, SW3 6PX
Erection of mansard roof extension with alterations to front and rear elevations and inte…
LB/24/02622
2024 Approved
59 Sydney Street, LONDON, SW3 6PX
Installation of damp proofing measures to lower ground floor and formation of new manhole…
LB/24/00849
2024 Withdrawn
Ground Floor Flat and Lower Ground Floor Flat, 49 Sydney Street, LONDON, SW3 6PX
Confirmation that the use of the lower maisonette is two self-contained flats (Certificat…
CL/24/01005
2023 Approved
7 Guthrie Street, London, SW3 6NU
Conversion of rear window into a door
PP/23/02653
2023 Approved
Flat C, 33 Sydney Street, LONDON, SW3 6PU
Creation of roof terrace to rear above existing closet wing extension at second floor lev…
LB/23/02531
2023 Approved
Flat C, 33 Sydney Street, LONDON, SW3 6PU
Creation of roof terrace to rear above existing closet wing extension at second floor lev…
PP/23/02530
2023 Approved
61 Sydney Street, LONDON, SW3 6PX
Installation of a small heat exchanger / AC outdoor unit to be mounted on roof over propo…
LB/23/02203
2017 Refused
7 Sydney Street, LONDON, SW3 6PU
Installation of glass balustrade and alteration to sash window to form a door (Retrospect…
PP/17/05651
2017 Refused
7 Sydney Street, London, SW3 6PU
Installation of glass balustrade and alteration to sash window to form a door (Retrospect…
LB/17/05652
2017 Approved
Ground Floor and Basement, 181 Fulham Road, LONDON, SW3 6JN
Installation of No2 internally illuminated fascia signs, mounted to fascia panel; and No1…
CA/17/05606
2017 Approved
17 Sydney Street, LONDON, SW3 6PU
Excavation and extension of lower ground floor under garage including new covered access…
PP/17/05451
2017 Approved
17 Sydney Street, LONDON, SW3 6PU
Excavation and extension of lower ground floor under garage including new covered access…
LB/17/05452
Kensington and Chelsea
Planning Authority Score
5.1/10
Average
#144 of 296 councils
Relevant to this application:
Householder decisions

Kensington and Chelsea ranks #174 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Kensington and Chelsea decision statistics
Based on MHCLG data, the nine months to December 2025
93%
Overall approval rate
Above avg (87%) #58 of 296
94%
Householder approved
Above avg (90%) #110 of 296
61%
Decided in 8 weeks
Below avg (63%) #174 of 296
40%
Extended time limit
Below avg (41%) #152 of 296
94%
Minor dwellings approved
455 decided (1-9 homes)
87%
Change of use approved
53 decided
1,839
Total decisions
135 refused in the nine months to December 2025
Source: MHCLG planning statistics · See full council rankings