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Planning application

Trelissick Farm Sithney Helston Cornwall TR13 0RL

Granted Cornwall PA25/05392 Permission in Principle

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Permission in Principle for proposed conversion of a building to form a self-contained dwelling (minimum 1, maximum 1)

As published by the council, reference PA25/05392

Application record

Reference
PA25/05392
Type
Permission in Principle
Status
Decided
Decision
Granted As published: Granted (CAADs, PIPs and LUs only)
Received
11 Sep 2025
Validated
11 Sep 2025
Decided
6 Oct 2025
Ward
Crowan, Sithney And Wendron
Parish
Sithney
Decision by
Peer Sign Off
Postcode
TR13 0RL

Timeline

Dates from the published record

  1. 11 Sep 2025

    Received by Cornwall

  2. 6 Oct 2025

    Decision issued: Granted (CAADs, PIPs and LUs only)

  3. 21 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • PA26/04459 Granted

    Redundant Building At Trelissick Farm Wheal Fortune Sithney Helston Cornwall TR13 0RL

    Proposed conversion and extension of the existing pump house to create a dwelling, pursuant to Permission in Principle granted under application PA25/05392. (self custom build)

    Decided 2 Sep 2026 Full applications

Who's behind it

Company information only, from the register and Companies House

Collaborative Planning Agent, a planning consultancy registered in Exeter

Active · incorporated 2024 · Exeter

130 applications on PlanIndex · across 6 councils · 83% granted

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Documents

Plans, drawings, consultee responses and the officer's report

6 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.

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What this grant of permission means

Cornwall granted permission on 6 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 outline applications

An outline application tests the principle of developing a site, holding back details such as appearance and landscaping as reserved matters for later approval. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • Redundant Building At Trelissick Farm Wheal Fortune Sithney Helston Cornwall TR13 0RL

    PA26/04459 Submitted 7 Jul 2026 150 yards away

    Proposed conversion and extension of the existing pump house to create a dwelling, pursuant to Permission in Principle granted under application PA25/05392. (self custom build)

    Granted Full applications Extension 16 docs
    Domestic

  • Trelissick Sithney Helston Cornwall TR13 0RL

    PA26/02569 Submitted 21 Apr 2026 300 yards away

    Non material amendment in relation to decision notice W2/PA07/00407/F dated 03.05.2007 - Alteration to the description of approved development, to 'Alteration and part rebuilding of redundant barns to allow their conversion to residential units and installation of a septic tank' plus the addition of a condition regarding the listed plan drawings that were considered in that approval

    Refused Amendments 5 docs

  • Barn At Trelissick Sithney Helston Cornwall TR13 0RL

    PA26/04499 Submitted 3 Jul 2026 300 yards away

    Change of use and conversion of redundant agricultural building to create a self-contained residential dwelling and associated works

    Granted Full applications 17 docs
    Domestic

  • Trelissick Sithney Helston Cornwall TR13 0RL

    PA26/05995 Submitted 27 Aug 2026 0.3 miles away

    Applicaation to determine if prior approval is required for a proposed General Purpose Agricultural Building.

    Refused Prior approval 10 docs

In Cornwall

  • PA26/01867 Granted

    Land North West Of The Old Stables Goonbell St Agnes Cornwall TR5 0PL

    Permission in Principle application for 2 detached residential dwellings (minimum of 1, maximum of 2).

    Received 14 Apr, published by the council 21 Jul 2026 Outline
  • PA25/00428/PREAPP Awaiting decision

    Land South West Of Cornwall Fire Rescue And Community Safety Service Headquarters Tolvaddon Camborne Cornwall TR14 0EQ

    Targeted Planning Performance Agreement for construction of 17no. commercial units, affordable led housing scheme of 18no. new dwellings, conversion of redundant building to 1no. dwelling and associated works

    Received 19 Oct, published by the council 21 Jul 2026 Outline
  • PA26/02532 Refused

    Creekside House Mixtow Lanteglos Fowey Cornwall PL23 1NB

    Outline application for the replacement of an existing outbuilding with a new residential annex for purposes ancillary to the main dwelling house, including roof-mounted solar PV panels on the new annex, with all matters reserved except for site location and access.

    Received 15 Apr, published by the council 21 Jul 2026 Outline
  • PA26/02811 Refused

    Meadowside Penstraze Chacewater Truro Cornwall TR4 8PL

    Permission in principle for the construction of up to 2 dwellings and associated works (minimum 1 dewlling, maximum 2 dwellings)

    Received 1 May, published by the council 21 Jul 2026 Outline
  • PA26/01048/PREAPP Awaiting decision

    West Kestle Farm Kestle Lane Tregadillett Launceston Cornwall PL15 7EY

    Pre application advice for phased programme of investigation, repair, conservation and environmental improvement works

    Received 5 Oct, published by the council 8 Oct 2026 Outline