Case Studies Pages in Heritage Energy Efficiency Tool (HEET) Heritage Energy Efficiency Tool (HEET) How to use the Heritage Energy Efficiency Toolkit Case Studies Green Retrofit and Building Regulations Below is a list of case studies for the use of the Tool; All Souls College Front Quad Oxford Town Hall 7-19 Banbury Road 4 - 6 Nelson Street Previous page How to use the Heritage Energy Efficiency Toolkit Next page Green Retrofit and Building Regulations