If you smell gas, call the National Gas Emergency Service on 0800 111 999. Open windows, do not use switches, and get outside if you feel unwell.
How to check a gas engineer on the Gas Safe Register and ID card, and how to check oil, heat pump and stove installers on OFTEC, MCS and HETAS.
How often to service a gas, LPG or oil boiler, what the engineer checks, and how a service differs from a landlord gas safety check.
When a home oil tank needs a bund, how far it must be from the house and boundary, and who can install it. From Approved Document J and GOV.UK.
The choices for a Cotswold home on oil heating: a heat pump, biomass, LPG or a new oil boiler. Grants, rules and what to check first.
Can a heat pump heat an old Cotswold stone cottage? Heat loss, radiators, damp, listed building consent and conservation area rules explained.
Guides
Plain guides to common problems, the rules and how to check a firm. Each guide lists its sources.