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Steve and Daniel were quick and efficient came out at short notice found and fixed the fault within the hour Definitely recommend Will be using them again Debbie and lee

Debbie

Job booked in quickly and carried out professionally for a fair price. Would recommend.

Antonio

Quick response to messages and good communication. The job didn’t quite go to plan but Curtis has the patience of a saint! Coming back soon to do another job. Top guy!! Would definitely recommend!

Jeanette

Looking to install or replace an immersion heater? Rated People connects you with trusted professionals skilled in installing and maintaining hot water immersion heaters and electric hot water tanks. Whether you’re upgrading your system or need help with repairs, find experienced local experts to handle the job. Post your job for free and receive up to three quotes today.

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 Immersion heater experts

What is an immersion heater?

An immersion heater is an electric heating element placed inside a hot water tank to heat water directly. It works independently of your central heating system, making it a versatile option for heating water. Immersion heaters can act as the primary source of hot water or serve as a backup to a boiler. They are particularly useful in homes without gas connections or as a supplementary water heating solution.

Advantages and disadvantages of an immersion heater

Advantages:

  • Independent Operation: Immersion heaters don’t rely on a central heating system, providing hot water even if your boiler fails.
  • Energy Source Flexibility: Suitable for homes without gas connections or for using renewable electricity sources.
  • Backup Heating: Many households use immersion heaters as a backup option for their main hot water system.

Disadvantages:

  • Higher Running Costs: Heating water with electricity is often more expensive than gas-powered systems.
  • Time-Consuming: Heating a full tank of water can take longer than instant water heaters.
  • Manual Operation: Unless connected to a timer, immersion heaters must be turned on and off manually to avoid wasting energy.

Immersion heater cost

The cost of installing or replacing an immersion heater depends on the type of heater and whether a new hot water tank is required:

  • Immersion Heater Replacement: Replacing an existing immersion heater typically costs between £150 and £300, including parts and labor.
  • Hot Water Tank Installation: Installing a new electric hot water tank with an immersion heater can cost £500 to £1,000, depending on the tank size and complexity of the installation.
  • Running Costs: Operating a hot water immersion heater costs around £0.20 to £0.35 per kilowatt-hour, depending on electricity rates. Using a timer to heat water during off-peak hours can help reduce costs.

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Other immersion heater and hot water tank FAQs

Can I change an immersion heater myself?

While it’s possible for someone with plumbing knowledge, it’s recommended to hire a professional to ensure safe installation and compliance with regulations.

How long does it take to heat water with an immersion heater?

Heating a full tank typically takes 1 to 2 hours, depending on the tank size and the heater’s wattage.

Do immersion heaters work with solar panels?

Yes, immersion heaters can be connected to solar PV systems to use excess electricity for water heating, making them more energy-efficient.

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Rated People helps immersion heater specialists connect with homeowners looking for expert installation and maintenance services. Whether you install hot water tanks, replace immersion heaters, or offer repairs, sign up today to receive high-quality leads in your area.

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My company has over 40 years experience in plumbing, Heating and Drainage from the ground up, from 1st and 2nd fix building following drawings to 1mm tolerance to maintenance skills and knowledge of older systems. Our specialties are the whole spectrum of commercial and domestic services maintenance from tap washers to finding troublesome leaks. Blockages are one of our favourite plumbing issues to attend to, the satisfaction of getting your maintenance problems sorted is second to none.

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Reviewed by andrea on 2/7/2025

Brilliant work, friendly, reliable and a reasonable price too. Would highly recommend, will use again.

Cris avatar

Cris

Water Tanks and Immersion Heater

`We are a building company with many years of experience. We specialise in bathroom and kitchen, from scratch to complete refurbishment, our work is of high quality at reasonable price, with warranties and is covered by public liability insurance

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Reviewed by Yury on 12/1/2025

Krzysztof did a great job fitting 2 showers, decorating ensuite, changing all the taps and 2 showers, and doing a number of small fixes and improvements in the flat. I appreciate his clear and detailed communication on job needed, options provided, and consulting on fittings and materials. He finished the job with high quality and with just a small delay despite of a good amount of obstacles (we did painting in parallel). Would definitely recommend Chris's services!

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Heatright

Water Tanks and Immersion Heater

Heating and plumbing specialist

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Reviewed by Aimee on 18/10/2017

Cannot recommend enough. Diagnosed the problem as a broken fan. Got the part and replaced all in the same day.

Meeting the customers needs is our utmost priority.

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Reviewed by Mark on 14/3/2025

We are a family run business and pride ourselves on a prompt, reliable and friendly service. Fully Insured, time served Tradesmen with over 35 years experience Plumbing and Gas Safe registered. Property Refurbishment Specialists. 24 Hour call outs

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Reviewed by Paul on 10/11/2023

Arrived on time, did a very professional job for a good price, and we are very pleased with the result. We would thoroughly recommend.

Well established family run building company based in London,we have built a strong relationships with well known building societies across the London due to our quality and trustworthy service High quality levels of work in major building projects,we specialise in planning and design,project management and general building services

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Reviewed by john on 9/11/2025

5 star

Experienced multi tradesman specialising in Gas boiler installation ,boiler servicing and landlord gas safety certification and plumbing, I also carry out the following: •Bathroom/kitchen installation •Emergency work (plumbing gas water electric installation) •Handyman in big or small jobs including painting and decorating •Lighting works •All aspect of plumbing and heating Portfolio and customer feedback from completed work can be shown. Online Free quotations. Covid guidelines followed with strict enforcement.

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Reviewed by Frederique on 29/10/2025
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Pop up Plumber

Water Tanks and Immersion Heater

We understand the importance of a properly functioning plumbing system for your home or business. Whether it's a minor repair, a complex installation, or routine maintenance, we are skilled plumbers and committed to providing the highest quality service. We take pride in our attention to detail, professionalism, and prompt response to our customers' requirements. We utilize the latest industry techniques and employ cutting-edge tools to ensure that your plumbing issues are resolved effectively and efficiently. Our goal is not only to fix the problem at hand but also to deliver long-lasting results that exceed your expectations. Customer satisfaction is at the heart of everything we do. We believe in transparent communication, fair pricing, and treating your property with the utmost respect. No matter the size of the job, we approach each project with the same level of dedication and strive for excellence in every aspect of our work.

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Reviewed by Mark John on 10/11/2025

"Local plumbing and heating engineer always giving the best finish. With over 10 years of experience in both commercial and domestic property's."

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Reviewed by ANGELA on 10/11/2025

PROMPT, POLITE AND EFFICIENT. JOB DONE

Greenacre and Sons Services will go far and beyond to make sure you our customer is happy with what you are getting, we are clear, responsive and most importantly understand what customers expect from a tradesperson. We are professional and experienced in our trade. We deal with all plumbing and heating works. Gas works. Boiler installations, breakdowns, servicing and maintenance. We design and install bathrooms from start to finish dealing with all trades needed to producing the final product our customers wants.

Over 20 years in the trade SVQ level 3 plumber and heating

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Reviewed by John on 26/10/2025

Great job. Very happy with the results. Tommy was very thorough and investigated all potential causes of the problem before supplying and fitting new parts. All work done for the price quoted.

All aspects of heating and plumbing LPG GAS OIL

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Reviewed by Richard on 23/5/2024

Arrived on time, work completed professionally.

F Schmitten heating and plumbing Handyman. Radiators, taps, kitchens, bathrooms and everything plumbing related, big on integrity, efficiency and value for money, also happy to help where your DIYskills end with handy tasks like furniture assembly or mounting that TV properly

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Reviewed by Susan on 29/7/2025

Felix respected my property and explained to me what he was doing all the way through from start to finish . He also kept the price very reasonable for my budget , so far my water tank is running smoothly so job well done . I would definitely hire him again .

Ruhulla Test

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Reviewed by New on 20/1/2023
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DPH London Ltd

Water Tanks and Immersion Heater

DPH Plumbing and Heating Engineers are professional installers of all gas appliances, boilers and central heating systems for domestic property's. We cover all of London and some surrounding areas. Here is why you should choose us first for all you're plumbing, heating and servicing needs: I know we are new to the website so give us a call for a free quote. We can handle any boiler or central heating systems. You will receive unrivaled service, when you need it - Our professional engineers are fully trained and follow all the latest health and safety regulations. Quick response when you need it. Highly competitive rates, with free quoting. 24 hour call out.

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Reviewed by Ray on 23/11/2019

Anthony was very courteous and on time.

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Serviceteam

Water Tanks and Immersion Heater

DISCOUNT FOR ALL RATED PEOPLE CUSTOMERS – Please mention this when booking The Beginning Serviceteam was formed in 2009 and is a Domestic Gas Heating, Plumbing, Gas & Electrical company, located in Isleworth, West London. The company has consistently grown to become one of the major providers of domestic services, with a full back up maintenance team. We have a diversified client base, comprising, private clients through to Local Authorities, Housing Associations, Estate Agents & Insurance companies. Values Our core values have always been, and will remain, to offer our clients the highest level of customer service at a price that suits their pocket. To ensure we are achieving these objectives, our company organization and operations are independently certified by the relevant accreditors. Customer Care Customer care and ensuring clients are comfortable, is very important to us. To this end, you will find: our fees are very competitive; that we respond promptly to customers requests; we are proactive in offering advice; our customers know their best interests are foremost in our actions; that we are always looking at new ways to source better quality more reliable products; and that these cost savings are passed on to our customers. Objectives Our intention over the coming years is to bring our expertise to a wider public, through a greater awareness of our services, so that, Service team is prominent for all Gas heating, Plumbing related issues. This is reflected in our initiative to expand our customer base without compromising on the quality of the services we deliver. We will continue to invest in our infrastructure to realise these ambitions.

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Reviewed by David on 6/11/2025

I am very happy with the service team people, the plumber Hayat and Shannon the person who coordinated my boiler service and gas check. The certificates are very thorough and make me feel confident my heating system is in good shape. Many thanks.

At AAHomeImprovementUK Ltd we pride ourselves on being the go-to bathroom fitters for discerning customers in the Wigan and Greater Manchester area. It is a well-known fact that bathrooms sell houses. They also add a touch of indulgence to your home. Your bathroom is a long-term investment; it is important that you choose wisely. Our years of experience has helped us to gain a good understanding of what works and what doesn’t. We take the time to listen to our customers’ needs and make recommendations to them based on their requirements and our extensive experience. We are proud of our team of bathroom fitters and guarantee a friendly, clean and tidy service; we always aim to exceed your expectations, which is why we have gained the reputation as one of Wigan’s finest local bathroom installers. We are fully insured and qualified to meet all of your bathroom fitting needs and are affiliated with GQA to help promote best practice. We specialise in all bathroom fitting and design services including: Design Supply & Installation Full or Part Renovation Wetrooms Showers Underfloor Heating Plumbing Tiling Plastering Painting & Decorating We take a personal approach to every bathroom fitting we complete and ensure that every bathroom delivers on quality, value, functionality and appearance. If you would like a free, no-obligation consultation and quote please contact us, or for more information about our bathroom installation services and to take a look at some of the work done by our friendly

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Reviewed by Alun on 16/7/2025
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Main Builder

Water Tanks and Immersion Heater

Domestic and commercial properties maintenance and renovations

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Reviewed by Paul on 5/12/2025

Turned up with replacement which wouldn't fit...said he would try and sort it but heard nothing for weeks....Just wanted quick money for quick tap change

Plum Building Services Ltd is a building company based in London. We work for both landlords and private home owners on new builds, extensions, refurbishments, repair and maintenance. No job is too big or too small. Quality is our guarantee.

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Reviewed by Philippa on 28/10/2025
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TG Building

Water Tanks and Immersion Heater

We cover all aspects of building and demolition services to commercial and domestic clients across the UK. We have a wide range of experience within the industry with time served tradesmen completing working to the highest standards.

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Reviewed by Lee on 30/9/2025

Highly recommend. Sorted our leaking window and other problems that were found. Clean and tidy. Reasonably priced. Will definitely use again

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