The Castle St Michaels Mount Marazion Cornwall TR17 0HT
Approved on 29 October 2025
Council decision: Approved with conditionsDelegated (officer decision)
Proposal
New opening in east wall of fourth floor WC and steps down rock face for private family access to North Lawn. Corridor and WC floor lever lowered approx. 600mm to allow for 2m head height from new WC external entrance. New WC and Boot Room in existing Store Room.
- Received
- 27 May 2025
- Decision level
- Delegated (officer decision)
- Public comments
- 4
- Council
- Cornwall Council
- Ward
- Long Rock, Marazion And St Erth
- Agent
- Jonathan Rhind Architects
- ReceivedReceived27 May
- ValidatedValidated27 May
- Consult.Consultation
- TargetTarget Date22 Jul
- DecidedDecided29 Oct
Decided in 155 days (council typically 49)
About this application
This is a full planning application at The Castle St Michaels Mount Marazion Cornwall TR17 0HT. Cornwall has handled 24,959 applications of this type. This one was decided in 155 days, 15 weeks longer than Cornwall's typical decision time. The site is in the St Michael's Mount conservation area, with 11 listed buildings nearby. There have been 15 other applications at this address. In the past year there have been 89 applications across Long Rock, Marazion And St Erth. We hold 562 applications in total for the TR17 postcode area.
94% of full applications at Cornwall Council were approved. Across all application types, the council typically decides in about 7 weeks (median).
Based on decided applications received in the last 3 years.See what's approved near your address
Application details
- Postcode
- TR17 0HT
- Application type
- Full application
- Scale / size
- Small
- Parish
- St. Michael's Mount
Planning application dates
- Date validated
- 27 May 2025
- Consultation expiry
- 2 July 2025
- Target decision date
- 22 July 2025
Applicant and agent
- Agent
- Jonathan Rhind Architects
- Architect profile
- JONATHAN RHIND. ARCHITECTS LTD.
- Agent address
- 1 Bridge Buildings The Strand Barnstaple EX31 1HA
Planning decision
- Statutory period
- 56 days
Publicity
- Last advertised
- 20 June 2025
- Site notice start
- 11 June 2025
- Site notice end
- 2 July 2025
Additional information
- Planning Portal ID
- PP-14037307
- Documents
- 36
- Constraints
- 16
Site 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 (19)
flood storage areas, listed buildings, 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 2026-11-03. 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.
Associated applications
- 202527 May
Additional safety guarding to Castle Terraces and French Gun Battery.
ApprovedFull applicationFiled alongsidePA25/03962 - 202527 May
Listed Building Consent for additional safety guarding to Castle Terraces and French Gun Battery.
ApprovedListed building consentFiled alongsidePA25/03963 - 202527 May
New opening in east wall of fourth floor WC and steps down rock face for private family access to North Lawn…
This applicationApprovedFullPA25/03964
Planning history at this site
16 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 - 202611 Sep
Listed building consent for alterations to the north wing former service areas and east wing on the fourth…
PendingListed building consentPA26/06353 - 20268 Sep
Submission of details to discharge Condition numbers 4 (Handrail details), 5 (Ventilation Details), 6 (Mortar…
PendingDischarge of conditionsPA26/06238 - 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 - 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
Source: Cornwall
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Around this site
Nearby applications
- The Castle St Michaels Mount Marazion Cornwall TR17 0HTPA25/08913 · ConditionsApproved0.0 mi
- The Castle St. Michaels Mount Marazion Cornwall TR17 0HTPA12/08578 · HeritageApproved0.0 mi
- The Castle St Michaels Mount Marazion TR17 0HTPA16/08929 · HeritageApproved0.0 mi
- The Castle St Michaels Mount Marazion Cornwall TR17 0HTPA25/03962 · FullApproved0.0 mi
- The Castle St Michaels Mount Marazion Cornwall TR17 0HTPA25/03963 · HeritageApproved0.0 mi
For applicants and trades
Contractors near this project
- Graham Bull Electrical ServicesElectrician1.0 mi
- E R Jenkin & Sons LtdElectrician1.5 mi
- Dt Electrical Contractors LtdManchesterConsumer Unit ReplacementElectrical Fault Finding1.5 mi
- NSN Electrical LtdPlumber & Heating EngineerElectrician1.5 mi
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