A three-year programme will assess 170 Guernsey homes to decide if they should be given Protected Building status.
Guernsey's Development & Planning Authority is launching a review to identify properties of special historic or architectural significance.
The programme will replace the current case-by-case approach, under which buildings are typically assessed when planning applications are made or properties are put up for sale.
Around 170 residential buildings will be assessed, with the review expected to be completed by June 2029.
The Authority says the programme will provide greater clarity for property owners, buyers and developers.
Property owners will be contacted by the Conservation & Design team to arrange surveys.
Development & Planning Authority president Deputy Neil Inder says this will be fairer than the present ad hoc system.
“This is about making the process of identifying and protecting Guernsey’s historic buildings clearer, fairer and more transparent.
"We can give owners, purchasers and developers greater certainty, while ensuring that those buildings that make a significant contribution to our historic environment are safeguarded for the future.”
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