When it comes to installing a new boiler, understanding the costs involved is crucial for making an informed decision. Whether you are replacing an old unit or upgrading to a more efficient system, there are several factors to consider. The different types of boilers available, and what you can expect in terms of ongoing maintenance and servicing.
What Affects the Cost of New Boiler Installation?
The cost of installing a new boiler can vary significantly depending on several factors:
Type of New Boiler: The most common types are combi boilers, system boilers, and regular boilers. Combi boilers are often the most popular due to their space-saving design and efficiency.
Size of Property: Larger properties may require a more powerful boiler to meet heating and hot water demands, which can increase the installation cost.
Brand and Model: Premium brands tend to cost more upfront, but they may offer better long-term reliability and energy efficiency.
Labor Costs: Installation labor costs vary depending on the complexity of the job, the time required, and your location.
Additional Work: Any extra plumbing, gas connection, or electrical work needed will also affect the price.

How Much is a New Boiler in the UK?
On average, the cost of a new boiler installation in the UK ranges from £1,500 to £4,000, depending on the type of boiler and complexity of the installation. Here’s a rough breakdown:
Combi Boilers: £1,500 to £2,500
System Boilers: £2,000 to £3,500
Regular Boilers: £2,500 to £4,000
These prices include both the cost of the unit and installation labor. However, you may find variations depending on your location and the specific requirements of your home.
Combi Boiler Installation: Cost, Benefits, and Features
A combi boiler is a popular choice for many homeowners due to its efficiency and space-saving design. Here’s a quick look at its benefits:
Space-saving: No need for a separate hot water tank.
On-demand hot water: Provides hot water directly from the boiler whenever you need it.
Energy-efficient: Offers great energy savings as it only heats water when required.
The cost of installing a combi boiler typically ranges between £1,500 and £2,500, depending on the brand and model you choose. Popular brands include Worcester Bosch, Ideal, and Vaillant, all of which offer high-quality combi boilers.
Boiler Service Cost: What to Expect and How Often to Service Your Boiler
A regular new boiler service is essential to keep your system running efficiently and to prolong its lifespan. Here’s what you need to know:
Cost: A typical boiler service costs between £60 and £100 per visit.
Frequency: It’s recommended to have your boiler serviced once a year to ensure it’s functioning properly and to identify potential issues early.
Benefits: Regular servicing can help prevent costly breakdowns and improve energy efficiency.
How Long Does a Boiler Service Take?
On average, a boiler service takes between 30 minutes and 1 hour. During this time, a qualified engineer will check your boiler’s components, clean necessary parts, and ensure it’s operating at maximum efficiency.
How to Increase Boiler Pressure and Prevent Issues
If your boiler pressure drops too low, it can cause inefficiency and even system failure. Here’s how you can fix it:
Check the pressure gauge: If it’s below 1 bar, you’ll need to increase the pressure.
Re-pressurize your boiler: Use the filling loop to add more water to the system until the pressure reaches the optimal range (typically between 1 and 1.5 bar).
Bleed radiators: If there’s air in the system, it could be causing the pressure to drop.
If you’re unsure, it’s always best to contact a professional engineer for assistance.
What Temperature Should My Boiler Be Set at for Hot Water?
The ideal boiler temperature setting for hot water is typically between 60°C and 65°C. This ensures that water is hot enough for use but also prevents the system from overworking, leading to unnecessary energy consumption.
