Immersion Heater Installation in Westminster London (82)

Immersion heaters do a good job of heating water with electricity in UK homes that are not connected to gas or require a backup. But only when professionally installed.

Read on for everything you need to know about finding and hiring immersion heater installation services covering City Of Westminster.

Whether you’re replacing a faulty immersion heater or considering installing a new one, Checkatrade members have the expertise for the job.

Rather we do the searching for you? Try our quick request a quote feature and we’ll put you in touch with immersion heater installers covering your local area.

How much does it cost to install an immersion heater in City Of Westminster?

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Replacing an existing immersion heater is usually cheaper than installing a new one from scratch.

What affects the cost of an immersion heater installation?

The exact price you’ll pay for immersion heater installation depends on:

• Whether it’s a replacement or a new installation
• The type of immersion heater
• Labour time and access to the cylinder
• Any electrical work needed

Check out our immersion heater replacement cost guide for more details and prices.

What is the disadvantage of an immersion heater?

As with anything, immersion heaters aren't perfect. Some of the drawbacks of using an immersion heater include:

• Running times
  • In order for an immersion heater to be effective, it needs to run for several hours a day, which can push up your energy bills
• Running cost
  • Immersion heaters can be expensive to run, especially compared to using gas boilers
• Planning ahead
  • As immersion heaters take time to heat up, you need to plan ahead if you need hot water
• Bacteria
  • Your immersion heater will need to heat water to at least 50 degrees centigrade to eliminate any bacteria

That’s why they often work best as a backup or occasional solution, rather than the main source of hot water for most households.

What are the advantages of immersion heaters?

Some of the main benefits of using an immersion heater are:

• Convenience– Immersion heaters make a great, convenient backup if anything happens to your boiler
• Insulation – Choosing to add insulation to your immersion heater means water will stay hot for hours
• Easy to use – It’s as simple as pressing a switch to activate your heater
• Functional – Many immersion heaters have added features. For example, some will switch off automatically once they reach the right temperature

Do immersion heaters use a lot of electricity?

Yes, immersion heaters can use a lot of electricity – especially if left on for long periods. An immersion heater typically uses 3kW of electricity, meaning costs can add up quickly if it’s heating water continuously.

Tip: Using a timer and heating water only when needed can help reduce running costs.

Is it cheaper to use an immersion heater or a boiler?

In most cases, it’s cheaper to heat water with a gas boiler than with an immersion heater.

However, an immersion heater may make sense if:

• You don’t have access to mains gas
• You use off-peak electricity tariffs
• It’s used as a short-term or backup option

A certified heating engineer or plumber can advise on the most cost-effective setup for your home.

Do I need a plumber or electrician to fix an immersion heater?

First and foremost, an immersion heater should be installed or repaired by a qualified tradesperson.

This can be a plumber experienced with hot water cylinders or an electrician

Because immersion heaters involve both water and electricity, correct installation is essential for safety and compliance.

Why use Checkatrade?

• Fully checked installers covering your local area
• Insurance always listed
• Easy to compare multiple profiles
• Handy reviews from local customers
• Covered by the Checkatrade Guarantee (T&Cs apply)