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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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Hey Plumber

Water Tanks and Immersion Heater

Your Trusted Experts in Boiler Installations, Heating Repairs & Plumbing Solutions Say goodbye to cold nights and plumbing nightmares! Whether you need a brand-new, energy-efficient boiler, fast heating repairs, or expert plumbing work, we’re your go-to team. With over 20 years of experience serving homes across London & the south east we know the importance of reliable service and lasting results. •Boiler Installations – Reduce your bills with cutting-edge, eco-friendly boilers installed by professionals. • Heating Repairs – Emergency? No problem! Our rapid-response team will have your home toasty in no time. • Plumbing Services – From leaking taps to full bathroom installations, we handle it all with precision. Why Choose Us? • Local Experts with a Personal Touch • Affordable, Transparent Pricing • 24/7 Emergency Service for Peace of Mind Get your home back to its best—call us today and feel the difference of expert service that’s always on your side.

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Reviewed by Christina on 8/7/2025

Fast and efficient. Will re-hire. Highly recommend

We are a plumbing and building company, We have experience in over 25 years in all areas of plumbing building work. We pride ourselves on delivering an honest and reliable service.

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Reviewed by Alexander on 8/7/2025

James came out very quickly, was quick and efficient and has done a quality job, including taking rubbish away with him. Really pleased with both the quote and the job.

Chartered Institute of Plumbing & Hesting Engineers. Gas Safe Registered. Water safe registered. Proper plumbing & heating. 10+ years serving customers across London & Home Counties. - Fully qualified, insured, & licensed - people pleasing plumbers in London. All work guaranteed. New installations Boilers/HIU’s Unvented cylinders Breakdowns/repairs System design General plumbing Leak repairs Gas safe engineers 24/7 hour emergency call out

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Reviewed by Mohan on 4/4/2022

David was a true professional. He replaced the electric shower in the bathroom and it was done well. He kept me appraised of the task and was prompt to provide quotes and subsequently complete the task. I would whole heartedly recommend him for the job.

Founded in 1995, GK Plumbing & Heating is a well established company that have undertaken a large variety of different installations from straightforward bathroom and boiler replacements to larger domestic heating and bathroom installations, to several large commercial plumbing ventures. Altogether the team have over 50 years experience in plumbing and heating, thus making GK one of the most experienced local plumbing and heating companies around. They can confidently carry out the installation of any boiler or bathroom suite, provide solutions to plumbing and heating problems, as well as offering advice on a variety of plumbing and heating matters, be it energy efficiency or bathroom design. We are fully qualified to work on all types of gas and oil boilers. We also have a great team of multi-tradesman that carry out kitchen and bathroom installation and can cover the plastering, carpentry , tiling, plumbing and electrical work required. We are Platinum Worcester Bosch Accredited Installers and can offer up to a 12 years manufacturers on all new boiler installations and can offer 0% finance deals on boiler installations. At a glance, our services include: 24/7 emergency response. Gas, LPG & Oil fired heating All types of boilers repaired & serviced Leaks Ball valves Central Heating & hot water breakdown Cylinders Immersions Tanks Taps Drains unblocked & repaired Bathrooms & Showers Central Heating installed Landlord certificates & gas safety checks Same day repairs 0% finance deals on boiler installations. Kitchens. Plastering Tiling As a company, GK are Gas Safe and OFTEC registered, thus allowing them to work on and install gas, LPG and oil appliances. Plus, they have full public liability insurance of up to £5 million. We always aim to put our customers at ease and to create a trusting relationship - which is why we tell you that theres nothing to pay until the job is complete and you are totally satisfied. We never ask for any money up front, unless stated in your quotation (this is for large installations only). Please call us for free estimates and advice on any requirements you may have.lastering

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Reviewed by Marita on 26/3/2025

Welcome to Tide plumbing services, your trusted partner in all your plumbing needs. With years of experience, we are committed to delivering top-quality plumbing solutions to residential and commercial clients. At TIDE plumbing services, we understand the importance of having a well-functioning plumbing system. Whether it's a leaky tap, a blocked drain, or a major plumbing emergency, we are here to provide prompt and efficient service, ensuring your plumbing needs are met with the highest level of professionalism and expertise.

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Omer Plumbing

Water Tanks and Immersion Heater

O.A Plumber and plastering and cladding

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Reviewed by Zenaida on 5/11/2024

Excellent work! Very professional, reliable, and skilled. Completed the job on time with great attention to detail. Highly recommend

For commercial and domestic gas lpg and oil installations repairs and servicing in RUTLAND and LINCOLNSHIRE call now

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Reviewed by Ian on 1/12/2024

I had thought about what may have caused the problem. Explained this to Carma and fixed an appointment. Turned up as promised, and had obviously prepared to find and apply a solution. Began diagnosis..Explained at every step what he was checking. A sound diagnosis depends on a systematic investigation. Soon found a possible solution, cleared away any other possible causes. Found fault, set up replacement of faulty part. Checked this would provide the solution. And made the change, Spot on Very tidy work.

My name is Conor Lynch, I am an NVQ Level 3 qualified plumber with 8 years of experience in domestic plumbing. Four years ago I made a decision to become my own boss and have not looked back. From a leaky tap to larger jobs I will guarantee an efficient and reliable service, I pride myself in doing the very best for my customers, delivering a personal touch on every job done. All of my quotations are free and I also provide out of hours services, 7 days a week to cover emergencies and for those people that tend to work all hours of the day. All work guaranteed.

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Reviewed by Christine on 17/7/2025

Efficient,friendly ,excellent work went above and beyond would thoroughly recommend him.

With over 15 years of combined experience, SS Solutions are here for all your electrical needs! The clue is in the name… we strive day in and day out to make sure we are as efficient as humanly possible. This means the speed in which we contact you from your initial enquiry to carrying out the work to an extremely high standard. No job too big and no job too small. Contact us today for your free, no obligation consultation and estimate either here or through our website. https://www.speedysparkysolutions.com Many thanks, SS Solutions.

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Reviewed by Andrew on 4/7/2025

We keep the people of London cosy and warm on a cold night. We ensure that you and your family can wake to a refreshing warm shower and we make sure that homes and offices are safe places to live and work. 24/7 heating & plumbing services...

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Reviewed by Chris on 23/1/2024

Putting your trust into a company when dealing with gas safety regulations is daunting. Not only do you need to be confident and safe in your choice but also feel you receive an honest quote. I had so many Engineers walk through my door and as soon as A&C arrived, I trusted them. I went with my gut and they were excellent! I have no hesitation in recommending this company to take care of you and your family. Thank you!

I have over 20 years experience In the plumbing heating and pipefitting industry. I am NVQ Level 3 Qualified I also have a number of years experience in the offshore industry. I undertake all aspects of Domestic and commercial plumbing.

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Reviewed by Keri on 7/5/2025

We are a family-run gas engineering business that provides many high-quality services across Peterborough and its surrounding areas. Our expertise includes installing, servicing, and repairing gas appliances, such as boilers, cookers, and heaters, ensuring they operate safely and efficiently. In addition, we specialise in installing and repairing all heating systems, offering solutions tailored to your specific needs. Our services also include power flushing, a vital process to maintain and enhance the efficiency of your heating system. Trust us to deliver reliable and professional service for all your gas and heating requirements.

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Reviewed by Jon on 16/4/2025

Ryan could not have been more helpful and friendly, it was a pleasure hiring him. He completed a complex job removing a broken boiler, installing a new one, re-routing a gas through 30m of new pipe and installing a radiator, then getting it all to work with our existing smart home system. We now have a lovely warm home and great hot water pressure. Thanks!

Welcome to AdvancedWall2Wall, where expertise converges with excellence in house extensions, renovations, and all-encompassing building solutions. As a family-run business with an illustrious legacy of over 30 years in the plumbing and heating industry and a robust background in the building trade, we take pride in transforming your vision into reality. Specializing in house extensions, AdvancedWall2Wall offers a spectrum of services covering every facet of your project, from initial groundwork to the final finishing touches. Our team comprises adept professionals, including experienced gas engineers, bricklayers, and plasterers, all proficient in navigating the complexities of home extensions. From conceptualization to execution, we bring a wealth of knowledge and hands-on experience, ensuring your dream space is realized with precision and care. Our dedicated team of 8-10 professionals is passionate about delivering top-notch craftsmanship in all aspects of building work. Recognizing the importance of a reliable and skilled workforce, we invest in continuous training and development to stay at the forefront of the industry. Whether it's creating a seamless blend of functionality and aesthetics or addressing specific needs within renovations, we bring a wealth of expertise to elevate your project to new heights. At AdvancedWall2Wall, we are a fully insured limited company, placing the safety and security of our clients at the forefront. Our commitment to excellence extends beyond craftsmanship to offer you the peace of mind that comes with working with a reputable and reliable partner. Trust us to breathe life into your ideas, with an unwavering dedication to quality, integrity, and customer satisfaction that sets AdvancedWall2Wall apart in the building industry. Your vision, our expertise – together, we build dreams.

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Reviewed by Arwen on 1/4/2025

Would highly recommend Wayne. Quick response to my advert, came out to look at the job quickly and arrived early, gave me the best quote and has done the job when he said he would and to a great standard. Really helpful and friendly, wouldn’t hesitate to use him again for future jobs.

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CAS GAS SERVICES

Water Tanks and Immersion Heater

Your friendly neighbourhood heating engineer, specialising in; •HEAT PUMP INSTALLATIONS •HEAT PUMP SERVICING & MAINTANCE •BOILER INSTALLATIONS •BOILER SERVICES & REPAIRS •GAS SAFETY CERTIFICATION •RADIATOR SERVICES •SYSTEM POWER-FLUSHING •COOKERS & HOB INSTALLATIONS •VENTED & UNVENTED CYLINDERS •UNDERFLOOR HEATING •GENERAL PLUMBING •24/7 EMERGENCY GAS & WATER LEAK DETECTION & REPAIR!! All work guaranteed & carried out by fully insured, Gas Safe Registered Engineers!!

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Reviewed by Jasbir on 3/3/2025
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Sam The Gas Man

Water Tanks and Immersion Heater

Self employed gas engineer. Specialise in boiler breakdowns, gas appliance servicing, gas appliance installations and gas safety checks.

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Reviewed by Marc on 10/7/2025

Sam contacted immediately, got out to me within 90 mins, was well priced, and even got in touch with a scrap man to get rid of my old range. Would use again, efficient service.

At Consilium, we’re proud to serve homeowners delivering reliable, high-quality services tailored to your home. Whether you’re planning a new bathroom or kitchen, need help with plumbing or heating, or looking to carry out a loft conversion, our experienced, multi-trade team is here to help. And it’s all done in-house for a smooth, professional experience from start to finish. > Domestic Plumbing & Heating > Bathroom & Kitchen Installations > Loft Conversions > Multi-Trade Maintenance & Upgrades > Friendly, Local & Trusted Professionals Bringing the high standards of care and workmanship to all our customers, we are a company that cares and is here for you. Consilium are Gas Safe, NIC EIC, TrustMark, ISO 9001, ISO14001 and ISO 45001 accredited. We are a company you can trust in to deliver your needs

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Reviewed by Anita on 17/1/2025

Very happy with the final outcome of the renovation. Very professional company with friendly, hardworking and skilled staff. Couldn't be more happy with how the bathroom looks now. Brilliant communication skills and friendly service. Would definitely recommend to anyone needing their bathroom done.

Plumbing, groundwork and Underground water services At gcb utilities we strive to provide our customers with a high quality end to end service. we know it can be stressful dealing with leaks, repairs and improvements But with our expertise and professional staff we get the job done in good time and with as little disruption to you as possible. From the first contact our friendly staff have you covered. Whether your looking for a leak fixing,you have pressure issues, need pipe work installing or moving, new water supply or external leak repair With our wiaps, chas,constructionline and water safe approval, guaranteed work your in safe hands Give us a call or message for a free no obligation quote

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Reviewed by Graeme on 21/2/2024

Enthusiastic to sort-out our problem. Planned to meet and it happened bang on time. Came-up with the solution and had the job done within their own time estimate.. Problem solved on time and around the estimated budget. Well done!

At sixways property services we cover most domestic and commercial plumbing services,

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Reviewed by Mark on 16/10/2020

Unfortunately on two occasions now Grant has agreed to attend a job and not shown up. After the first time, I gave him the benefit of the doubt. That was a mistake. It’s a shame as he seems like a nice guy who does a good job, but if it’s reliable you’re after, I’d go elsewhere.

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Krzysztof Kruk

Water Tanks and Immersion Heater

I primarily work on all aspects of kitchen and bathroom fitting from fitting to services. However I have a long history of multi-trade work having completed high spec extensions throughout the years, no job is too small. I carry out property maintenance which involve carpentry plumbing and electrics as well as refurbishments all within the latest regulations.

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Reviewed by Sarah on 8/5/2025

I would highly recommend Krzysztof he was professional, good time keeper and took pride in his work very pleased with the finished Bathroom makeover

My name is Tim. I’m a Plumber and bathroom fitter, with 20 years of plumbing repair, plumbing maintenance and plumbing installation, with many years of experience, designing and fitting bathrooms. My work always is quality and guaranteed. Plumbing and plumbing maintenance Plumbing for new build and restoration projects Wet underfloor heating system. Vented and unvented cylinder. Shower pumps Plumbing maintenance repair and replace taps, shower valves, leaks , radiators Unblock toilets, sinks, basins, showers, baths Refit bathrooms. Shower rooms. Wet rooms Heating system and flushing

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Reviewed by Darren on 22/4/2025

On time, friendly and informative while doing the job. Maintained fixed price even though job lasted longer than expected. Would hire again

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