CombiCert guide
Gas and heating guides
Straight answers to the questions people in Telford and Shropshire ask most about boilers, gas safety and commercial gas compliance. Each guide is written and reviewed by Peter Jefferson, a Gas Safe registered engineer (621146) and director of CombiCert Ltd, and links to the relevant UK regulations and standards.
How often should a boiler be serviced?
Most boilers should be serviced every 12 months. Why it matters, what a service covers, landlord rules and boiler service prices in Telford.
Read the guide →Do landlords need a gas safety certificate (CP12), and how long does it last?
Do landlords need a CP12? Yes. How long a gas safety certificate lasts, the 28-day tenant rule, record keeping and CP12 prices in Telford.
Read the guide →What to do if you smell gas
Smell gas? Call the National Gas Emergency Service on 0800 111 999. Step-by-step UK safety advice, carbon monoxide signs and what happens next.
Read the guide →Why is my boiler losing pressure?
Boiler pressure keeps dropping? Common causes, the right pressure, how to repressurise a combi safely and when to call a Gas Safe engineer.
Read the guide →Combi vs system boiler: which is right for your home?
Combi or system boiler? How each works, hot water flow, space, homes they suit and new boiler prices in Telford and Shropshire, from £1,750 inc VAT.
Read the guide →What is a gas tightness test, and when do businesses need one?
What a commercial gas tightness test is, when businesses need one, IGEM/UP/1 and UP/1B explained, and commercial gas testing in Telford.
Read the guide →Do commercial kitchens need a gas interlock?
Most commercial kitchens with mechanical extraction need a gas interlock. BS 6173 and IGEM/UP/19 explained, how interlocks work and Telford service.
Read the guide →CombiCert in Telford
Need help rather than reading? See boiler servicing, new boilers, gas safety checks and CP12, boiler repairs, light commercial and heavy commercial gas services.