You live in social housing or are recognised by your local council as getting a very low money (currently a complete household income below £31,000 a calendar year). You or someone in your house is taken into account “vulnerable” to the effects of residing in a cold residence. With https://www.evernote.com/shard/s722/sh/7c602f28-76af-5c18-30c7-a48464763389/7GDLDMhiDKBF5Sv11yXg3k3rYNW2q3tjSfB4gFUvmPRfI33Mad8-fJPUOQ