The content of this learning resource is based upon the findings of the Keeping Warm in Later Life ProjecT (KWILLT). KWILLT was an independent research study commissioned by the National Institute for Health Research (NIHR) under its Research for Patient Benefit (RfPB) Programme (Grant Reference Number PB-PG-0408-16041). The views expressed are those of the author(s) and not necessarily those of the NHS, the NIHR or the Department of Health.