Planning application
7 Trenoweth Crescent Penzance Cornwall TR18 4RY
Works: Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Application for a Lawful Development Certificate for a Proposed Erection of rear-facing dormer roof extension and insertion of roof windows to front roof slope
As published by the council, reference PA26/04426
Application record
- Reference
- PA26/04426
- Type
- Cert Lawfulness - proposed dev/use
- Status
- Decided
- Decision
- Granted (CAADs, PIPs and LUs only)
- Received
- 25 Jun 2026
- Validated
- 25 Jun 2026
- Decided
- 25 Aug 2026
- Ward
- Penzance Promenade
- Parish
- Penzance
- Decision by
- Peer Sign Off
- Postcode
- TR18 4RY
Timeline
Dates from the published record
-
25 Jun 2026
Received by Cornwall
-
21 Jul 2026
Added to PlanIndex
-
25 Aug 2026
Decision issued: Granted (CAADs, PIPs and LUs only)
Who's behind it
Company information only, from the register and Companies House
Mason Architectural Design Agent, an architecture practice
7 applications on PlanIndex · across 3 councils
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
12 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
Cornwall granted permission on 25 August 2026, 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
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18 Trenoweth Crescent Penzance Cornwall TR18 4RY
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PA26/04991 Granted
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PA26/05135 Granted
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Application for a Lawful Development Certificate for the existing residential dwelling without conditions imposed by planning permission E1/C/53/5528.
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PA26/06143 Awaiting decision
The White House Fore Street Boscastle Cornwall PL35 0AX
Certificate of Lawfulness (Proposed) for installation of roof mounted solar photovoltaic panels
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PA26/04926 Granted
North Cornwall Plumbing Supplies Ltd Atlantic Highway Services Stratton Bude Cornwall EX23 9JY
Application for a Lawful Development Certificate for a Proposed erection of a new steel frame storage shed