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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 (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

124 applications on PlanIndex · across 6 councils · 82% 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 500 metres

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

    PA26/04459 Submitted 7 Jul 2026 130m 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 288m 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 296m away

    95% historically approved · decision due ~28 Aug

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

    Awaiting decision Full applications 14 docs
    Domestic

  • Trelissick Sithney Helston Cornwall TR13 0RL

    PA26/05995 Submitted 27 Aug 2026 404m away

    100% historically approved · decision due ~22 Oct

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

    Awaiting decision Prior approval 6 docs

In Cornwall

  • PA26/05298 Granted

    Land North West Of Highclere House Broad Park Close St Minver Wadebridge Cornwall PL27 6JP

    Application for Permission in Principle for the construction of up to 9 open market dwellings (minimum 6, maximum 9)

    29 Jul 2026 Outline
  • PA26/06387 Awaiting decision

    Barn South Of Lacey Green Rosevanion St Columb TR9 6DJ

    Application for Permission in Principle for the conversion of redundant rural building to single dwelling (minimum of 1, maximum of 1)

    14 Sep 2026 Outline
  • PA26/05973 Awaiting decision

    Land West Of 46 Bosmeor Road Bosmeor Road Falmouth Cornwall TR11 4PU

    Outline application for residential development of land for up to 1 dwellings including access.

    14 Sep 2026 Outline
  • PA26/06388 Awaiting decision

    Land South Of Tregrey Penhalls Way Playing Place TR3 6EX

    Application for Permission in Principle for the construction of 3 dweliings (minimum of 3, maximum of 3 dwellings)

    14 Sep 2026 Outline
  • PA26/04819 Refused

    Land At An Tir Balwest Ashton TR13 9TE

    Application for Permission in Principle for the construction of 1 self-build dwelling (minimum of 1, maximum of 1).

    13 Jul 2026 Outline