News & Advice

What Is a Boiler Service and Why Is It Important?

Booking a boiler service is an essential part of home maintenance, but many homeowners don’t actually know what’s involved. Understanding the steps can give you peace of mind, help you spot when service is overdue, and ensure you’re getting value for your money.

Whether you’re searching for an annual boiler service near me, comparing the cost of boiler service, or planning your first boiler annual service, this guide will help.

Step 1: Visual Boiler Inspection to Spot Problems Early

The first step of any gas boiler service or oil boiler service is a full visual inspection. The engineer will check:

• External condition of the boiler
• Signs of corrosion or leaks
• Boiler flame (if visible)

This helps identify early signs of wear and prevents further damage.

Step 2: Internal Boiler Components Inspection and Cleaning

Next, the casing is removed to check inside. This includes:

• Heat exchanger
• Burner and ignition system
• Main injector
• Fan

Each part is examined for safety and operational efficiency. Any buildup of soot or debris will be cleaned.

Step 3: Flue and Emissions Safety Checks

Your engineer will also inspect the flue system to ensure:

• It’s safely installed
• No obstructions are present
• Proper emissions levels are being released

Using a flue gas analyser, they will check for carbon monoxide levels to ensure the boiler is burning fuel safely.

Step 4: Gas Pressure Testing and Flow Rate Check

To make sure your boiler performs at its best, the engineer will:

• Measure gas flow rate and pressure
• Confirm it matches manufacturer guidelines

This is particularly important in annual gas boiler service and Baxi boiler service models that may have brand-specific requirements.

Step 5: Testing Safety Devices and Boiler Controls

Modern boilers have multiple safety features and control panels. The engineer will:

• Test thermostat and timers
• Inspect safety devices
• Ensure boiler shuts down correctly when required

Step 6: Cleaning Critical Boiler Parts

To maintain efficiency and extend the life of your boiler, cleaning is a must. Engineers will clean:

• Heat exchanger
• Condensate trap (if applicable)
• Burner head and other accessible components

Step 7: Final Boiler Service Report and Certification

Once the service is complete, you'll receive a full report. It includes:

• A checklist of what was done
• Any problems or faults found
• Recommendations for repairs (if needed)

This is useful for homeowners, landlords, and those with a boiler service plan to track system health.

What’s Not Included in a Standard Boiler Service?

A boiler service isn’t a repair session. While minor cleaning and checks are standard, if your boiler has faults or needs replacement parts, these may be quoted separately.

Boiler Service Cost: How Much Should You Expect to Pay?

• Standard boiler service cost: £60 - £90
• Oil boiler: £70 - £100

We offer great value and boiler cover with annual service to help reduce unexpected expenses.

Why Choose Fixed Heating for Your Boiler Service?

• Fully qualified Gas Safe engineers
• Transparent boiler service price
• Easy scheduling for boiler servicing near me or gas boiler service near me

Ready to Book Your Boiler Service?

Don't wait until your heating breaks down. A professional boiler service can save you money, increase efficiency, and keep your family safe. Our trusted engineers are available across the UK for fast, affordable, and certified service. Get in touch with us today.