The Castle St Michaels Mount Marazion Cornwall TR17 0HT
Proposal
Listed building consent for alterations to the north wing former service areas and east wing on the fourth floor of the Castle to improve the new North Lawn entrance, with new boot room, corridor and WC space. Improve security and sound insulation to the Family Apartments.
- Received
- 11 September 2026
- Target decision date
- 6 November 2026
- Public comments
- 0 · last counted 8 October 2026
- Council
- Cornwall Council
- ReceivedSubmitted11 Sep
- ValidatedValidated11 Sep
- Consult.Consultation
- TargetTarget Date6 Nov
- DecidedDecided
This is a planning application at The Castle St Michaels Mount Marazion Cornwall TR17 0HT. Cornwall has handled 51,204 applications of this type and approves 92% of them, typically deciding them in 53 days. It was submitted on 11 September 2026 and is still awaiting a decision. The site is in the St Michael's Mount conservation area, with 20 listed buildings nearby. There have been 15 other applications at this address. We hold 560 applications in total for the TR17 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Cornwall
Track this application
Get email alerts when there is a planning decision or status change.
Get email alerts near TR17
New planning applications delivered to your inbox weekly.
Associated applications
- 202611 Sep
Listed building consent for alterations to the north wing former service areas and east wing on the fourth…
This applicationPendingListed building consentPA26/06353 - 20268 Sep
Submission of details to discharge Condition numbers 4 (Handrail details), 5 (Ventilation Details), 6 (Mortar…
PendingDischarge of conditionsFiled alongsidePA26/06238
Planning history at this site
17 other applications at this property, newest first.
- 202621 Sep
Listed Building Consent: Alterations to existing passage and family shower room to allow for new family…
PendingListed building consentPA26/06343 - 202619 Jun
Listed Building Consent for the reconstruction of chimney to West frontage of castle.
PendingListed building consentPA26/03945 - 202525 Nov
Submission of details to discharge Condition number 3 (Written Scheme of Investigation) in respect of…
Disch of cond not all conditions agreedDischarge of conditionsPA25/08913 - 202527 May
Listed Building Consent for additional safety guarding to Castle Terraces and French Gun Battery.
ApprovedListed building consentPA25/03963 - 202527 May
Additional safety guarding to Castle Terraces and French Gun Battery.
ApprovedFull applicationPA25/03962 - 202527 May
New opening in east wall of fourth floor WC and steps down rock face for private family access to North Lawn…
ApprovedFull applicationPA25/03964 - 202221 Nov
Works to trees in a conservation area (TCA) T1 - Monterey Pine - Fell
ApprovedTrees in a Conservation AreaPA22/10359 - 202114 Jun
Replacement entrance porch roof
ApprovedFull applicationPA21/05012 - 20192 Dec
5 day exception notice: Removal of multiple small/medium pine trees
ApprovedException Notice (was 5 Day Notice)PA19/02943/PREAPP - 201512 Aug
Listed building consent for minor internal demolition in order to extend and upgrade the visitors lavatories…
ApprovedListed building consentPA15/07547 - 20151 Jun
Listed building consent for external masonry repointing and internal plaster restoration
ApprovedListed building consentPA15/05004 - 20139 Jul
Application for Listed Building Consent for the consolidation of the defensive wall which incorprates a…
ApprovedListed building consentPA13/05545 - 20139 Jul
Consolidation of the defensive wall which incorprates a lookout post and the addition of an access stair with…
ApprovedFull applicationPA13/05544 - 201212 Sep
Conserve and partly restore Roman cement features associated with the Blue Rooms (former Chapel)
ApprovedListed building consentPA12/08578 - 20112 Jun
Listed Building consent for the survey recording cleaning and repair of the chevey Chase chamber to include…
ApprovedListed building consentPA11/06337 - 201025 Mar
Public access by concrete steps through replacement door & conservation of the existing fabric & supporting…
ApprovedFull applicationW1/10-0344 - 201025 Mar
Public access by concrete steps through replacement door & conservation of the existing fabric & supporting…
WithdrawnListed building consentW1/10-0345
Planning constraints
Designations at the address point. Ones next to the site may also apply.
- Conservation area: St Michael'S Mount
- National Landscape (AONB): Cornwall
- Flood zone 1: Low probability (rivers and sea)
Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.
Also checked, none recorded (18)
flood storage areas, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-10-09. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
Before the decision
You may need a heritage statement. Heritage & archaeology consultants near this site
This is an application for listed building consent.
- 18.5 miTruroRTPI
- 21.2 miTruroRTPI
- 21.3 miTruroRTPI
Nearest first, within 25 miles of the site. Every firm is listed free.
What's been approved on your street?
See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.