Apply for a government grant scheme for your new windows.

Warmer Homes Scotland | https://energysavingtrust.org.uk/scotland/grants-loans/heeps/heeps-warmer-homes-scotland-scheme

Home Energy Scotland Interest Free Loan | https://energysavingtrust.org.uk/scotland/grants-loans/home-energy-scotland-loan-overview

Private Rented Sector Landlord Loan | Private Rented Sector Landlord Loan: overview – Home Energy Scotland

Energy Efficient Scotland: Area Based Schemes | Energy Efficient Scotland: Area Based Schemes | Changeworks

Help With Listed Building Consent