Treetops Old Carnon Hill Carnon Downs Cornwall TR3 6LE

1. 15 Mar 2022

   Received by Cornwall

2. 5 May 2022

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

3. 15 Sep 2026

   Added to PlanIndex

Cornwall granted permission on 5 May 2022, 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.

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.

• Lapworth 16 Mount Agar Road Carnon Downs TR3 6HR

  PA21/11455 Submitted 30 Nov 2021 150 yards away

  Proposed conversion of garage and formation of dormer to form relatives annexe

  Granted Full applications Loft or dormer 7 docs

• Land Adjacent 3 Halwyn Close Halwyn Close Carnon Downs Cornwall

  PA25/01161/PREAPP Submitted 17 Nov 2025 200 yards away

  Pre application advice for construction of a single 2 or 1.5 storey dwelling on the site. Maximum of 2 bedrooms, probably 1 due to size of the site.

  Decided Outline 4 docs
  Domestic

• 14 Smithy Lane Carnon Downs Truro Cornwall TR3 6HW

  PA25/09577 Submitted 6 Jan 2026 200 yards away

  Proposed extension and conversion of garage to provide additional bedroom, dressing room, shower room and living room

  Granted Full applications Extension 7 docs

• Briar Cottage Forth Coth Carnon Downs TR3 6HJ

  PA21/03284 Submitted 26 Mar 2021 250 yards away

  Proposed outline application with approval sought for access for the demolition of existing garage and construction of new dwelling with garden and off-road parking. Formation of new vehicular access and parking to existing dwelling

  Granted Outline New dwelling Demolition 7 docs
  Domestic

• The Old Workshop Land South Of Edgefield Old Carnon Hill Truro Carnon Downs TR3 6LE

  PA25/08115 Submitted 27 Oct 2025 250 yards away

  Non material amendment in relation to decision notice PA21/11529 dated 21.10.2024 to allow building footprint proposed move of 1m east (was - west wall sitting on west boundary, now 0.9m off west boundary) and move 1m north (was - south wall sitting on south boundary, now 0.45m off south boundary) and alterations to windows, remove 2 existing windows on the south elevation, remove 4 existing windows on the north elevation, add 2 new windows, and change the size of existing window on west elevation and amend the size and position of the existing door and adjacent windows on the east elevation

  Granted Amendments Windows or glazing 8 docs

• The Old Workshop Old Carnon Hill Carnon Downs Cornwall

  PA21/05237 Submitted 2 Jul 2021 250 yards away

  Demolition of redundant workshop and erection of new residential bungalow with parking

  Withdrawn Full applications Demolition

• PA26/06880 Awaiting decision

  Higher Polladras Breage TR13 9NS

  Proposed Certificate of Lawfulness for continuation and completion of the dwelling and domestic garage authorised by outline planning permission W/KR/73/43123 dated 16.08.73 and reserved matters approval W/KR/74/43123/S.A dated 15.02.74 The development would be completed in accordance with the siting, footprint, dimensions, design and external appearance shown on the historically approved drawings and the plans submitted with this application. The application is made on the basis that the permission was lawfully commenced within the prescribed period through the excavation of foundation trenches for the approved dwelling.

  Received 5 Oct, published by the council 8 Oct 2026 Lawful development
• PA26/06785 Awaiting decision

  2 Sisters Steps Corte Spry Truro Cornwall TR1 2GL

  Certificate of Lawfulness for proposed use or development namely the installation of nine roof-mounted photovoltaic solar panels to the south-west facing roof slope of the dwellinghouse.

  Received 2 Oct, published by the council 8 Oct 2026 Lawful development
• PA26/03536 Granted

  An Godror Godolphin Cross Helston Cornwall TR13 9RD

  Application for a Lawful Development Certificate for an Existing use Use of shed as a single self contained dwellinghouse

  Received 22 Jun, published by the council 21 Jul 2026 Lawful development
• PA26/06521 Awaiting decision

  New Lydcott Farm Widegates Looe Cornwall PL13 1QJ

  Application for a Lawful Development Certificate for a Proposed construction of two single storey side extensions and garage refurbishment

  Received 30 Sep, published by the council 5 Oct 2026 Lawful development
• PA26/06803 Awaiting decision

  The Stables Little Trethew Farm Horningtops Liskeard Cornwall PL14 3PZ

  Certificate of Lawfulness (Existing) for confirmation the outbuilding within the residential curtilage is a residential/domestic outbuilding with unrestricted use to the dwelling known as "The Stables"

  Received 30 Sep, published by the council 8 Oct 2026 Lawful development