Planning application
St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU
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
Certificate of lawfulness to determine whether the proposed single storey extension is lawful.
As published by the council, reference 25/02581/CPD
Application record
- Reference
- 25/02581/CPD
- Type
- Cert of Lawfulness of Proposed Dev
- Status
- Decided
- Decision
- Permitted Development
- Received
- 1 Oct 2025
- Validated
- 1 Oct 2025
- Decided
- 23 Oct 2025
- Ward
- Belmont
- Parish
- Maidenhead Unparished
- Decision by
- Delegated
- Postcode
- SL6 6DU
Site history
Applications at this address on the Windsor and Maidenhead register
This site has had 7 applications since 2022: 4 approved, 2 refused.
-
26/01367/LBC Refused
St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU
Consent for alteration to the front entrance door to Block 6.
-
26/01084/LBC Refused
St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU
Consent for the retention of works to Blocks 6 and 8, including replacement of internal doors, erection of subdividing walls, installation of new DDA-compliant toilet, replacement of external DDA ramp, installation of window opening to internal partition and proposed replaced of external double doors to Block 6.
-
22/02983/FULL Granted
St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU
Installation of 6 No. Automatic Number Plate Recognition (ANPR) cameras and 2 No. Pay and Display Machines.
-
22/02984/LBC Withdrawn
St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU
Consent for the installation of 6 No. Automatic Number Plate Recognition (ANPR) cameras and 2 No. Pay and Display machines.
-
22/02920/LBC Granted
St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU
Consent for the demolition of Block 19.
-
22/02919/FULL Granted
St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU
Demolition of Block 19.
Timeline
Dates from the published record
-
1 Oct 2025
Received by Windsor and Maidenhead
-
23 Oct 2025
Decision issued: Permitted Development
-
11 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
11 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Windsor and Maidenhead granted permission on 23 October 2025, 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 lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU
Consent for the demolition of Block 19.
Granted Heritage and listed buildings Demolition 16 docs -
St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU
Demolition of Block 19.
Granted Full applications Demolition 19 docs -
St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU
Installation of 6 No. Automatic Number Plate Recognition (ANPR) cameras and 2 No. Pay and Display Machines.
Granted Full applications 11 docs -
St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU
Consent for the installation of 6 No. Automatic Number Plate Recognition (ANPR) cameras and 2 No. Pay and Display machines.
Withdrawn Heritage and listed buildings 6 docs -
The Admin Block St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU
Certificate of lawfulness to determine whether a private hire operators licence for taxi services is lawful.
Refused Lawful development 14 docs -
St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU
Consent for alteration to the front entrance door to Block 6.
Refused Heritage and listed buildings 17 docs
Other lawful development applications
In Windsor and Maidenhead
-
26/01763/CPU Refused
Land At The Junction of Warners Hill And Dean Lane Cookham Maidenhead
Certificate of lawfulness to determine whether the proposed use of the land as an orchard with mobile poultry run and polytunnel is lawful.
-
26/01615/CLU Granted
Riding Court Farm Riding Court Riding Court Road Datchet Slough SL3 9JT
Certificate of lawfulness to determine whether the existing units 'JKL' (use class B8) used for storage and distribution; unit 'AB' (use class B8) used for hiring, maintaining, and cleaning concrete screed and machinery and 'storage yard 2' (use class B8) used for the storage of scaffolding is lawful.
-
26/01581/CLD Granted
The George Public House The Brewhouse The Green Holyport Road Holyport Maidenhead
Certificate of lawfulness to determine whether the existing bollard is lawful.
-
26/02117/CPD Awaiting decision
27 Tyrell Gardens Windsor SL4 4DH
Certificate of lawfulness to determine whether the proposed garage conversion is lawful.
-
26/02105/CLD Awaiting decision
19 North Dean Maidenhead SL6 7JD
Certificate of lawfulness to determine whether the existing installation of an air-to-air heat pump (reversible air conditioning) condenser unit to the external east gable wall, including wall brackets, pipework, and associated fittings is lawful.