10 Best Electric Water Heaters in The UK

Last updated on 02/08/2025

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50L Electric Water Heater,Lage Capacity,with Digital Display, Adjustable Temperature,Accessories,Suitable for Kitchens, Bars,Hairdressing Salons,Offices,et

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Why We Love It

Fast heating for instant hot water.
User-friendly LED temperature display.
Versatile for year-round use.

Main Highlights

【High Power Heating】-This 2000W Electric Water Heater power conductor with stainless steel alloy heating tube, heating faster, corrosion-resistant, more efficient and safer.
【UNIVERSAL USE IN ALL SEASONS】- Electric Water Heater Stainless steel heating tubes can provide you with hot water in a short period of time, no need to wait, it is ready to use, and it is suitable for all seasons.
【LED Display】 - Electric Water Heater With knob to control temperature, digital display, easy to operate, clear screen display and adjustable temperature.
【Included Accessories】-Electric Water Heater With screws, water pipes, expansion screws, metal tees, safety valves, drains, sprinklers, you don't need to buy other installation accessories.
【WIDELY USED】-This Electric Water Heater is widely used in bathrooms, hairdressing salons, kitchens, caravans, bringing convenience to your life!

Upgrade Tankless Water Heater Electric 9KW 240V, On Demand Instant Endless Hot Water Heater with Self Modulates to Save Energy Use (Pink-9KW)

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Why We Love It

Endless, on-demand hot water.
Smart energy consumption control.
Space-saving, safety assured design.

Main Highlights

ote:240 Voltage, 2 x 50 AMP Circuit Breaker Size and a set of 2 x (8AWG/2) wires. The tankless water heater should be installed professionally.2-year limite warranty and 24/7 customer support services.
【Endless Hot Water】Hot showers will never be interrupted again. Enjoy continuous, on-demand hot water with an unlimited supply. 9kw 240v Tankless electric water heater not preheating, temperature fluctuations, or running out of hot water in the tank. Ideal for providing hot water for whole home applications.
【Smart Control Water Heater】The 9KW tankless water heater electric has a built-in smart chip that auto adjusting energy consumption basing on income water temperature and flow, ensuring maximum efficiency, continuous stable temperature and optimal power usage. Digital temperature display allowing adjustment in 1° increment from 86°F to 131°F, real-time display of the current temperature, easy to set the temperature you want.
【Saver Energy & Space】Water is only heated when you need it, not stored in a hot water tank, saving up to 60% on water heating cost comparing to traditional tank water heater. This wall-mounted 13KW instant hot water heater tankless uses 90% less space than a traditional hot water heater with a tank.
【Safety Insurance & Longer Life】Our tankless electric hot water heater 9KW are equipped with multiple protection devices, separation of water and electricity, IPX4 waterproof, leakage protection, dry burn protection and over temperature protection. Hot water heater ating element separated from water tube significantly reducing scale, corrosion and mineral buildup on the element, so lasts longer than conventional tank units.
【Simple Installation】1/2-Inch Water heater connector. In order to install whole house tankless water heater electric 9KW 240V it requires 240 Voltage, 2 x Double-POLE 50AMP, wire gauge 2 x 8AWG, please check to confirm that your breaker panel meet these specifications. 2-year limite warranty and 24/7 customer support services.
【Installation Note】that the approval of the relevant distribution network operator (DNO) is required for installation and that the installation of the products may only be carried out by the distribution network operator itself or by an installation company entered in the operator's list of installers.

VELPAX Mini Electric Water Heater, 15L Electric Instantaneous Water Heate,1500W 220V,Waterproof Under Sink Water Heater with Digital Display for RV Kitchen Bathroom

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Why We Love It

Instant hot water availability.
Durable and corrosion-resistant materials.
High efficiency saves energy.

Main Highlights

【Electric Mini Tank Water Heater】-The Electric Mini Tank Water Heater,1500-watt heating system delivers instant hot water in seconds without preheating,with more safety protection such as anti-freezing protection,over heating protection, 15L hot water can be output per minute. The maximum temperature raise is 158 °F.
【Durable and Long Service】- The internal materials of instant hot water heater electric 110v are made of high-temperature calcined layer and enamel layer, which have corrosion resistance, rust prevention,and anti-corrosion properties.Stainless steel heating tubes and built-in magnesium rods can effectively purify water quality and extend service life.Integrated stainless steel tank body and Polyurethane CFC-free filling layer ensure the stability of the tank body and excellent insulation.
【Super High Efficiency】-Small Hot Water Heater Energy efficient with plenty of hot water,also known as demand-type or instantaneous water heaters, provide hot water only as it is needed,our water heaters with thermal efficiency up to 90%,Instant hot water at the point of use, whenever needed,Also equipped with a high-definition intelligent digital LED display,effortlessly adjust the temperature between 86°F-158°F according to your preferences.
【Easy Assemble and Use】-This Electric Tank Water Heater,for 1/2" NPT water hose connection,with Leakage protection fitting 1/2" NPT, pressure relief valve, two 3FT hoses,15L small tank water heaters,Compact design,The product dimensions are 11 x 11 x 11 inches, can be wall or floor-mounted in a discreet location.
【Satisfaction Guarantee】-We feel confident that you will love our mini tank water heater. If there's something makes you unsatisfied, please don't hesitate to contact us. We would offer you 100% refund or a replacement within 3 months.

Ariston AURES Multi Electric Instantaneous Water Heater 9.5kW, Multi-Point, Compact Size, ELCB System, User-Friendly and A Energy Rated. Manufactured to be Installed in UK – 3195216.

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Why We Love It

Award-winning design and innovation.
Ensures total user safety.
Highly space-saving and efficient.

Main Highlights

Instant electric water heater designed and produced for installation in the UK. Awarded the Good Design Award in 2019
Multi-Point: Aures Multi can supply multiple outlets with hot water (not simultaneously) upon point of use. New Italian premium design
Total Safety: Its Double Pole Earth Leakage Circuit Breaker (ELCB) prevents electric shocks, integrating with a total safety device system that avoids damage to the product. If a dangerous voltage is detected, the device will interrupt the electrical circuit as a safety measure.
Small Size: Aures Multi saves space, no pre-heat time or water storage space required. Aures Multi is ideal for installations in small, narrow spaces like utility rooms, garages, conservatories, kitchens, and bathrooms.
Quick Comfort: The Aures Multi electric instantaneous water heater delivers hot water within seconds due to its effective heating element which heats water instantly.
Easy to Use: Aures Multi includes a user-friendly frontal dial and LED lights which make the product setup incredibly simple. Because of its flow sensor system, the product works only when a tap is open.
Highly Energy Efficient: The product offers a super efficient performance, lower energy usage and emissions, which give it an 'A' class ErP rating. Its 4-step frontal & intuitive power dial can be set to the level the user wants. Aures Multi is incredibly easy to maintain as all internal components can be accessed through the front.

Instant Electric Tankless Water Heater 220/240V, FVSTR Small Smart Portable Self-Modulating on Demand Use Under Sink Kitchen Household Shower, Hot Water for House Shower [Energy Class A] (7.5KW)

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Why We Love It

Instant and sufficient hot water.
Convenient digital display control.
Compact and versatile positioning.

Main Highlights

【Installation Note】that the approval of the relevant distribution network operator (DNO) is required for installation and that the installation of the products may only be carried out by the distribution network operator itself or by an installation company entered in the operator's list of installers.
【REMOTE CONTROL】 The tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and let the smart unit do the rest, you needn’t go through hard lesson about temp setting by a mixer tap without any hint. The model comes with Remote control, useful for installation under sink.
【SMART SELF ADJUSTMENT】 The hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 98% saves considerable electric charge.
【SAFE and DURABLE】 Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come..POINT of USE The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste
【Simple Installation】1/2-Inch Water heater connector. In order to install whole house tankless water heater electric 7.5KW 240V it requires 240 Voltage, 2 x Double-POLE 30AMP, wire gauge 2 x 8AWG, please check to confirm that your breaker panel meet these specifications. 2-year limite warranty and 24/7 customer support services
【Installation Note】that the approval of the relevant distribution network operator (DNO) is required for installation and that the installation of the products may only be carried out by the distribution network operator itself or by an installation company entered in the operator's list of installers.
【INSTANT HOT WATER HEATER 】- Applied with 7500W/11000W heating system, the electric tankless water heater supplies instant hot water, 3 seconds to get hot water without preheating. Instant consistent and endless hot water of the maximum temperature reach to 55℃/131℉. It is perfect companion for sinks, bringing you perfect experience of comfort and relaxing
【Installation Note】that the approval of the relevant distribution network operator (DNO) is required for installation and that the installation of the products may only be carried out by the distribution network operator itself or by an installation company entered in the operator's list of installers.

Briwellna Electric Instantaneous Tankless Water Heater 5.5kW 220V, Instant Hot Water Heater with Digital Display for Kitchen Bathroom Sink Counter Under/Above Home Indoor (White)

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Why We Love It

Unlimited hot water on-demand.
Efficient, space-saving design.
Ensures multiple security protections.

Main Highlights

[On-demand, Umlimited Hot Water] Briwellna Non-Thermostatic Tankless Electric Water Heater is ideal for a single sensor faucet or a single metering faucet for handwashing and other fixed-flow applications.
[Compact Size Fits Almost Anywhere] This water heater is designed specifically with replacements in mind. The smaller dimensions (210mm×172mm×73mm)makes it easier to swap out your existing less-efficient water heater.
[Flexible Installation in Any Orientation] The product can be installed at any angle and the display will be automatically adjusted when the product is installed upside down.
[Save Energy and Time] Equipped with the latest integral cast aluminum heating technology, this water heater produces instant hot water without storing water, preheating devices or an attemperator, saving power consumption, water, time and space. It can be shut off by turning off water or power supply
[Multiple Security Protection] Smart protection functions protect the product from leakage, over-temperature, dry heating and over-pressure. We offer one-year warranty.
[Easy Installation] Coming with multi-language user's manual, it's easy to install the faucet without plumbers. Video of installation guadiance is available. It can be installed above or under the sink. Please make sure the water pressure required(0.04-0.8MPa) and your breaker panel to dedicate 25A(5500W) double pole breakers solely to the unit. The water connector size is 1/2". Fits both old style 1/2" hose connector and 3/8" water supply system(with adapters).

Horstmann Electronic 7 Water Heater, Multi

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Why We Love It

Automates off-peak water heating.
Self-adjusts for daylight savings.
Enhances energy savings efficiency.

Main Highlights

Horstmann ELECTRONIC 7 Immersion Heater Controller Economy 7
For control of "off peak" type water heater installations
Automatic clock adjusts to accommodate GMT/BST summer/winter time.

Ariston ANDRIS R 10 L Undersink Electric Water Heater, 2kW Control Unit, B class ErP rating, Economy “E” Setting, Manufactured to be installed in UK - 3100863.

35% OffFree Shipping

Why We Love It

Optimized comfort and energy saving.
Enhanced durability with titanium tank.
Precise water temperature adjustment.

Main Highlights

Water heater designed and manufactured to be installed in UK
Â€œBâ€ class ErP rating
Economy' setting on the dial to optimise comfort and energy saving
Titanium enamelled tank for durability: This premium quality water heater the best tank protection with the properties of titanium, wich constitutes a perfect shield against corrosion. Every single component is developed to ensure longlasting high performance with the guarantee of Ariston Brand
Maximum Comfort: Andris series products are able to keep the water hot for a long time thanks to the thick high-density polyurethane insulation placed in the tank and the outside of the water heater. It provides an effective barrier against heat losses, optimizing both the performance of the product and the usersâ€ comfort. The models of the Andris series are equipped with an immersion thermostat, which allows a very precise adjustment of the water temperature, heating it to the desired point
Installation kits to be purchased separately

ThermoMate ELEX5.5 Instantaneous Electric Water Heater with LED Display, 5.5kW Hand Wash Water Heater for Basins Sinks, Over/Under Sink Water Heaters, ‎Hard Wire 220V

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Why We Love It

Instant heating, endless hot water.
Advanced flow control feature.
Convenient temperature control display.

Main Highlights

【2S INSTANT HEATING & ENDLESS HOT WATER】- Turn on the water tap and endless hot water will come out within 2 seconds on demands when require, hence you will never run out of hot water and only pay for what you really use. Savings of up to 50% on water heating costs.
【EXCLUSIVE ADVANCED FLOW CONTROL & WATER LEAKAGE PREVENTION】- Unique technology is applied to improve water flow and prevent any water from splashing or dripping. You can adjust the flow rate you want to meet your needs in any time. Maximum hot water flow rate: 3L/min
【FLEXIBLE INSTALLATION】- When inverting the installation, the numbers automatically flip over. When the electric washbasin is in operation, the LED displays the current water temperature in real time, so you can easily get hot water at the desired temperature. The temperature range of 35 to 55°C can be selected by touch control.
【EXCEPTIONALLY DURATION】- Built in high quality alloy bare heating element, it is corrosion-resistant and acid-resistant; flowing water prevents limescale from building up, which prolongs its service lifespan.
【TWO INSTALLATION APPLICATIONS OPTIONAL】- Functional for both over sink and under sink installation, display will reverse automatically. Act as primary heater, with water being injected from cold mains directly; Act as booster heater, with hot water being injected from a storage tank. It is free to connect to a mixer tap.Water Inlet and outlet sizes G1/2‘’

Simple operation controls.
Instant water heating.
Effortless installation.

Main Highlights

Single control for start/stop and temperature selectio
Heats water on demand - ideal for handwashing where only a cold mains water supply is available
Quick and easy to install
Direct replacement to the Triton T30I

8.7

Excellent

Save 36%

We scanned 1134 products

We reviewed these offers relevant to the Electric Water Heaters within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like VELPAX, GEESEN, Ariston, FVSTR, Briwellna, Anntuk, thermomate, Triton Showers, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Electric Water Heaters in the market, we considered we took a deep dive into 5671 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is 50L Electric Water Heater,Lage Capacity,with Digital Display, Adjustable Temperature,Accessories,Suitable for Kitchens, Bars,Hairdressing Salons,Offices,et. We love many things about this product by VELPAX. What sets it apart from the competition is Fast heating for instant hot water. , User-friendly LED temperature display. , Versatile for year-round use. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Upgrade Tankless Water Heater Electric 9KW 240V, On Demand Instant Endless Hot Water Heater with Self Modulates to Save Energy Use (Pink-9KW) by GEESEN based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Electric Water Heaters and the best cost-to-value ratio is T30I 3KWat Triton Showers with a 36% discount.
Our list of the best Electric Water Heaters is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Electric Water Heaters in The UK

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We scanned 1134 products

We concluded that: