The Admin Block St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU

1. 4 Nov 2024

   Received by Windsor and Maidenhead

2. 5 Nov 2024

   Validated

   Checked as complete and ready for consideration.

3. 25 Nov 2024

   Decision issued: Refuse

4. 16 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

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.

• St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU

  26/01367/LBC Submitted 3 Jun 2026 50 yards away

  Consent for alteration to the front entrance door to Block 6.

  Refused Heritage and listed buildings 17 docs

• St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU

  22/02920/LBC Submitted 31 Oct 2022 50 yards away

  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

  22/02919/FULL Submitted 31 Oct 2022 50 yards away

  Demolition of Block 19.

  Granted Full applications Demolition 19 docs

• St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU

  26/01084/LBC Submitted 1 May 2026 50 yards away

  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.

  Refused Heritage and listed buildings Windows or glazing 29 docs

• 77 St Marks Road Maidenhead SL6 6DT

  26/01552/FULL Submitted 24 Jun 2026 50 yards away

  Single storey rear extension, loft conversion, alterations to fenestration, blocking up a driveway with new boundary treatment, new bin store, soft and hard landscaping, following demolition of existing elements

  Granted Full applications Extension Loft or dormer +2 18 docs
  Small domestic

• St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU

  25/02581/CPD Submitted 1 Oct 2025 50 yards away

  Certificate of lawfulness to determine whether the proposed single storey extension is lawful.

  Granted Lawful development Extension 11 docs
  Small domestic

• 26/02222/CPD Refused

  52 Audley Way Ascot SL5 8EF

  Certificate of lawfulness to determine whether the proposed single storey rear extension following the removal of the existing conservatory is lawful.

  Received 8 Sep, published by the council 24 Sep 2026 Lawful development
• 26/01954/CPD Withdrawn

  Mulberry House Waltham Road Maidenhead SL6 3NH

  Certificate of lawfulness to determine whether the single storey rear extension is lawful.

  Received 7 Aug, published by the council 16 Aug 2026 Lawful development
• 26/01856/CLU Granted

  Apple Tree Cottage And Land Adjacent To Apple Tree Cottage Paley Street Maidenhead

  Certificate of lawfulness to determine whether the existing use of the land as a residential garden incidental to the main dwelling is lawful

  Received 28 Jul, published by the council 24 Aug 2026 Lawful development
• 26/02022/CPD Refused

  14 Church View White Waltham Maidenhead SL6 3JQ

  Certificate of lawfulness to determine whether the proposed 1no. rear dormer and alterations to fenestration are lawful

  Received 17 Aug, published by the council 2 Sep 2026 Lawful development
• 26/01862/CLU Granted

  Holyport Pre School Holyport Youth Club Moneyrow Green Holyport Maidenhead SL6 2NA

  Certificate of lawfulness to determine whether the existing use of the site as a pre-school is lawful.

  Received 29 Jul, published by the council 4 Aug 2026 Lawful development