Swansea Guildhall Decarbonisation Plan: Solar, Heating Upgrades, and Heritage Challenges

Swansea council is developing a multi-year decarbonisation plan for the Grade I listed Guildhall, which currently costs around £611,000 a year in energy. The four-phase project starts with building management improvements, then adds rooftop solar and eventually replaces fossil fuel heating. The building's heritage status means consultation with Cadw is essential, and funding sources are not yet confirmed. The Guildhall is the council's most energy-intensive building, with single-glazed windows and heat leakage. Recent roofing repairs have helped dry out the structure. The council hopes to learn from a similar retrofit at a listed building in Cardiff. No cost estimates are available yet, but the project will take years to complete.