Advice & guides

What Vaillant Approved Installer status means, what it requires, and why it matters when choosing an engineer to supply and fit your new boiler.

If you or a tenant can smell gas, act immediately. Here is the step-by-step response, who to call first, and what landlords need to do.

If your boiler has stopped working, run through these checks first. Many boiler faults can be fixed in minutes without an engineer call-out.

A full breakdown of what a Gas Safe registered engineer checks during an annual boiler service - and why each check matters for safety, efficiency and your warranty.

Boiler service before winter beats the cold snap rush. See what an £85 autumn service prevents, the best months to book, and how to get booked in.

No hot water but heating works? The likely causes, safe 10-minute checks and typical repair costs - plus when to call CAF Heating for fast help.

Combi vs system boiler: which suits your home? Compare hot water, space and cost, then get a free survey and fixed quote from CAF Heating.

New boiler cost UK 2026: typical installed prices for combi, system and heat-only boilers, and what pushes quotes up. Book a free fixed-price survey.

Renters' Rights Act 2025 gas safety rules for landlords: what changed on 1 May 2026, CP12 duties, penalties up to £40,000. Book your CP12 with us today.

Servicing your boiler in summer means faster appointments, cooler access conditions and no heating disruption when you actually need it most. Here is why it is worth it.

What to look for in a Gas Safe registered engineer in Surrey, how to check credentials, and why a local independent firm often beats a national call centre.

Boiler service cost explained: typical UK prices £70-£120, CAF Heating's flat £85 across Surrey and South London. See what's included and book today.

A practical landlord gas safety checklist for 2026 covering CP12 certificates, servicing intervals, record keeping, and what to do when a tenant refuses access.

A power flush cleans sludge, rust and debris from your central heating system. Here is what it involves, what it costs in Surrey, and how to know if you need one.

A radiator cold at the top usually means trapped air. Cold at the bottom usually means sludge. Here is how to diagnose and fix both without needing an engineer.

What a CP12 landlord gas safety certificate is, the legal duties it covers, the fines for getting it wrong, and how to stay compliant.

CP12 landlord gas safety certificate prices in Surrey in 2026: what you pay, what affects the price, and how to get the best value for a portfolio.

If your CP12 landlord gas safety certificate has lapsed, here is what the law requires you to do immediately and how to get back into compliance fast.

How long does a boiler installation take? Most swaps take 1 day, conversions 1.5-2. See timings by job type and book a free survey with CAF Heating.

Comparing the best combi boilers in the UK for 2026: Vaillant, Worcester Bosch and Ideal - which one is right for your home and budget?