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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.

Sign up as an immersion heater expert

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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Here is a description about my company testing 2 updating just testing

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Reviewed by Rated on 29/10/2024

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GC Building Ltd avatar

GC Building Ltd

Water Tanks and Immersion Heater

CG Building LTD , it is a small company , established back in 2016. We carry work all around UK , but now we are based in Somerset and we cover all surrounding areas. •We take small & big jobs ! •We do all aspects building •We offer a friendly and reliable service, working closely with the client to make sure they have a clear understanding of the works that are being carried out throughout the process.  -Renovations- - Kitchen and bathroom insulations- Plastering. - Painting and decorating. - Carpentry-

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Reviewed by Rickie on 15/3/2023

Very professional. I would definitely recommend this trades person. Good pricing and great work. I am keeping his contract for work in the future.

we are a family ran company that specialises in bathrooms ,kitchens ,basement & loft conversions. we also have a team of professional decorators,tilers,plasterers,joiners & plumbers. we are very competitive on price and quality of work comes as standard.

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Reviewed by Janice on 15/5/2013

Yes arrived when they arranged to and did excellent job

Qualified plumbing, heating and gas engineer - 40 years in the trade and 25 years Gas Safe registered. Full bathroom design and installation. New central heating and boiler installations and upgrades. Also all general building works carried out inside and out. Please contact Mark for a quotation.

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Reviewed by Ash on 23/12/2024

Mark and George did a thorough and professional job. Whenever they came up against any snags they solved the problems and I’d be more than happy to recommend Mark to anyone considering him for a job.

apprentice trained plumbler and gas engineer over 25 years experience always happy to help Don’t mind big jobs little jobs

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Reviewed by Rob on 31/1/2025

Very quick response, arrived on time and completed the boiler service. Would recommend.

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Reviewed by DIANE on 8/4/2025
Mark Prroj avatar

Mark Prroj

Water Tanks and Immersion Heater

Time served, skilled Painter and decorator with 22 years experience with this industry. I am dependable, hard working individual that takes great pride in my work. I engoy working as part of a team however, I cane be relied upon to work on my own. I have full clean driving licence with my own transport.

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Reviewed by David on 22/2/2025

Mark was excellent. Considerate, flexible and proficient. Sorted my rental property after it was left in a state. Good tradesman.Highly recommend.

Welcome to CML Plumbing & Heating Ltd, where integrity meets craftsmanship. With a commitment to excellence, we offer a comprehensive range of plumbing services tailored to meet your needs. All aspects of plumbing, gas, heating and air conditioning work undertaken. Our Gas Safe Plumbing & Heating Engineers deliver prompt and reliable solutions. With a focus on professionalism and customer satisfaction, we ensure every job is completed to the highest standard. Contact us today for an efficient, professional, and dependable plumbing service.

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Reviewed by Oliver on 5/4/2025

Quick reply, reasonable pricing and quick service

At Solutions Plumbing and Heating, we specialise in boiler installations, offering reliable and efficient services tailored to your needs. With a commitment to quality and customer satisfaction, our skilled team ensures that every installation is carried out to the highest standard, providing you with a safe and energy-efficient heating system. We understand that a properly installed boiler is crucial for the comfort and warmth of your home or business. That’s why we focus exclusively on boiler installations, delivering a service that guarantees the best performance and longevity. At Solutions Plumbing and Heating, we believe there are no problems, only solutions—trust us to handle all your boiler installation needs.

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Reviewed by Jared on 1/3/2025

Very pleased with the installation of my new boiler Would highly recommend this company A+++

**Prestigious Plumbing** is a London-based company that prides itself on its reputation for delivering high-quality work and ensuring customer satisfaction. We handle a wide range of projects, from small to large, serving both domestic and commercial clients. Peace of Mind for Our Customers: At Prestigious Plumbing, our customers are our top priority. That's why we offer a 100% satisfaction guarantee—every job we complete is covered for one year. Additionally, all of our engineers are fully qualified and Gas Safe registered, ensuring the highest standards of safety and expertise. We understand that things don’t always go to plan. To offer further peace of mind, Prestigious Plumbing holds £10 million in public liability cover, ensuring that no matter what happens, both our clients and their property are fully protected.

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Reviewed by Matthew on 19/9/2024

We are writing to introduce ourselves and to provide you with an overview of the trade services we offer at The London Electrical Compliance Company LLP. As members of NAPIT, Gas Safe, Governing Bodies and with Atlas Citation IMS Accreditation Scheme, we are proud to have been accredited with the Certification : ISO 9001, ISO 45001 and ISO 14001 Quality Management Assurance. We are an exceptional proud company delivering high-quality services that prioritise Safety, Compliance, Reliability, Honesty , the core value is ‘Service with a Smile’. Being a small company our team of experienced and qualified professionals provides exceptional service to all our clients from back office staff to our field engineers, we offer 12 months guarantee and insurance to all our workmanship and parts supplied by us. The London Electrical Compliance Company Llp - Outlined Trade Services Offer Provided: 1. Electrical installation - Whether you require new electrical installations, maintenance, fault finding, call-outs, or certification, our skilled electricians are here to assist you. 2. Fire and Security Installation - Our team can handle all your fire and security system needs including installation, fault finding, callouts, and certification. 3. Access Control Installation - We specialize in the installation, fault finding, callouts, and certification of access control systems, ensuring your premises are secure and protected. 4. CCTV - From installation to fault finding, call-outs, and certification, our professionals are well-equipped to meet your CCTV requirements. 5. Heating and Plumbing - Our skilled technicians can assist with heating and plumbing needs, including fault finding, callouts, and certification, ensuring efficient and reliable systems. 6. Mobile Catering Units - For mobile catering businesses, we offer fault finding, callouts, and certification services to ensure the safety and compliance of your units. 7. PAT Testing - We provide Portable Appliance Testing, helping you comply with health and safety regulations and ensuring the safety of your electrical appliances. 8. EICR's - Our qualified professionals conduct Electrical Installation Condition Reports (EICR), identifying any potential hazards and ensuring the safety and compliance of your electrical installations.

I have been a plumber for 17 years I did an apprenticeship in plumbing and gas at 16 years old once I qualified i joined a company that did refurbishments and extensions in charge of a team that did the full internal of the jobs where I learned my other trades: We are specialist bathroom fitter for all wall hung systems and concealed specialist units. We tile as it is part of the bathroom and kitchen work. We can fit all underfloor heating systems. We can do all aspects of carpentry from floors to roofs. We fit kitchens from simple to bespoke. If its inside your home we can sort it and to the highest standard.

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Reviewed by Linda on 5/12/2024

With over 35 years' experience, no job is too big or too small. Domestic and commercial. Qualified and insured. Contact Jim today to receive a free quotation. Covering the central belt and north of Scotland.

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Reviewed by Murdo on 28/4/2025

Amazing work. Perseverance and patience. Found a few issues and fixed them all. Would definitely recommend and use again. Very satisfied customer.

Supreme Building avatar

Supreme Building

Water Tanks and Immersion Heater

We pride ourselves on delivering exceptional services to meet all your plumbing needs. With years of experience in the industry, we are committed to providing reliable and efficient solutions for both residential and commercial properties. At Supreme Plumbing we provide services that range from installing and removing all kinds of radiators, installing kitchen taps, all bathroom appliances, Garden taps and all repair work. Amongst other plumbing services. You can find us on Instagram - @Supreme_Plumbing_

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Reviewed by James on 26/4/2025

Fantastic plumber, turned up on time, got the job done well, quickly, and cheaply. Couldn't ask for more really!

We are General Contractors and can undertake renovations/refurbishments as well as newbuild homes or extensions. We have qualified electricians, plumbers and highly carpenters. No job is too big or complicated. The principles of the business have combined experience of over 15 years and we pride ourselves on leaving our customers very happy.

E SAINT GEORGE Ltd is a London & Essex based construction company. We specialise in all aspects of Home Improvements and strive to provide excellent work in order to achieve each individual clients vision. Our Customer Focused Service, ensures that we Communicate-Resolve-Produce superb tailor made projects. E SAINT GEORGE Ltd has an outstanding track record for delivering projects on Time and on Budget. All of our surveys are thoroughly analysed and concisely priced. Our pledge is to deliver all clients with Flat-Rate Costs for all of our contracted services. At E SAINT GEORGE Ltd, we value our highly-skilled team members as the core ingredient to completing every project successfully. HOME IMPROVEMENT SERVICES: - Kitchen Installations - Bathroom Renovations - Flooring (Laminate/Wood) - Tiling - Painting & Decorating - Structural Engineering & Design Services BUILDING WORK SERVICES: - Loft & Basement Conversions - Extensions (Single/Double) - Rendering / Plastering - Patio & Driveway Installations - Gardening & Landscaping - Gas Safe Services - Electrical Services (NICEIC) - Handy Man Services

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Reviewed by neil on 26/7/2024

Endrit and his team were wonderful to work with - friendly and professional and nothing was too much trouble for them, despite me changing aspects of the kitchen renovation and install during the process. They went above and beyond to ensure that everything was perfect and that I was happy with all aspects. My new kitchen looks amazing and I can't recommend Endrit and his team highly enough - I have already recommended E Saint George to friends and will be getting them back to install my bathroom.

Pro Joinery & Renovation specialises in Kitchen and Bathroom fittings however we have taken on many other projects such as bespoke shelves & wardrobes, rebuilding walls, flooring, complete house renovations, conservatories and much more. The acquired knowledge gained over the years and expertise allows to run every project with ease and to your full satisfaction. Though the time is of the essence, attention to detail and quality of craftmanship is invaluable and there is nothing like wow factor and recommendation by the client. Please see the gallery for examples of previous work. Although first time on rated people my builder, facebook and google will provide you with reviews should you wish to check. Thank you for taking the time to familiarise yourself with Pro Joinery & Renovation.

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Reviewed by Sarah on 4/4/2025
AM Maintenance avatar

AM Maintenance

Water Tanks and Immersion Heater

Welcome to AM Maintenance, We specialise in all aspects of building and maintenance works. Ranging from a leak in the roof or a new bathroom. we have an extensive range of services at competitive prices whilst delivering quality.

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Reviewed by Nicole on 5/11/2024

Dan & team did a fantastic job throughout and we are so pleased with the end result. They've transformed our home. Would highly recommend to anyone looking for a builder they can trust. Thanks again!

Business established since 2008

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Reviewed by William on 19/11/2024

A great company to deal with, prompt, reliable and very professional. We live in an old Victorian house with hardly a straight angle anywhere. So Anunas had a tricky job to do. The job was done perfectly and to agreed cost. I would recommend this builder to you. If I could could give give 6 stars I would. Great job well done.

Electro Flame LTD avatar

Electro Flame LTD

Water Tanks and Immersion Heater

ElectroFlame Ltd is an Electrical, Plumbing & Gas safe service. We offer FREE Advice and Quotations. Our company provides affordable, discount prices including Bundles to meet the demands & needs of all our customers no matter what the criteria may be. Customer Satisfaction is key & we strive to build trust based and long term relationships with all our customers.

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Reviewed by Alex on 23/4/2025

1. Turned up 1.5 hours late to my property. Didn’t even have the courtesy to call until 1 hour had passed. 2. Didn’t have the right tools to complete the job. Took one look at it, banged a hammer a few times, and said it can’t be done (for the record - the job was subsequently completed in about 20 minutes by a proper tradesman) 3. Left my property after 10 minutes. Then demanded I pay £80 call out charge, in spite of having done absolutely nothing and arriving 90 mins late. STAY AWAY from Electro Flame.

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