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"Dmytro completed the replacement of all 11 light fittings and switches quickly and efficiently as requested. Thank you �..."
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"He was very professional, did the tasks neatly and great!"
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"Great work, super nice hands on guy with great communication. "
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"I am away and have guests staying and Lewis was extremely efficient, communicative, and easy to work with and get the jo..."
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"Got the job done quickly and efficiently. Recommend!"
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"Very good job, good communication and workmanship "
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Recent Hot Water System Installation & Repair reviews
excellent job. quick and clean. couldn't have asked for more.
Stiff hot water handle on kitchen tap, loosen or replace it.
£50
Awesome service can't reccomend highly enough!
Hot water isn't working
£50
Jack was punctual, polite with great communication. He was able to efficiently identify the problem and resolve it.
Fix the hot water from my shower
£120
Great Job! Was able to come the same I posted the job. Installed instant hot water tap in my kitchen with no issues or bother. Great communication and very knowledgeable tradesman. Highly recommend. A*
Install hot water tap
£120
Tony was great, super helpful
Hot water not working
£60
What's the average cost of a Hot Water System Installer
£82 - £150
low
£82
median
£120
high
£150
Average reviews for Hot Water System Installation & Repair Services
based on 75 reviews
4.85
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Why hire a hot water system technician through Airtasker?
If your taps, showers, or baths have run cold and you lack a working heating system, there’s now a quick, hassle-free way to book an installation for a hot water tank. With Airtasker, you no longer have to rely on baseless referrals and uncertain advice. Taskers are highly skilled and equipped to handle all your heating needs, whether you require vented or unvented cylinders.
To get started, post a task on the platform, including your location, cylinder details, and how soon you need the hot water system installation. Expect to hear from available plumbers and specialists who willl reach out with quotes for you to consider. Airtasker also makes reviews and ratings accessible, so you can choose a Tasker with the right expertise and attitude.
Once you accept an offer, you can rest easy knowing your Tasker will get your hot water installation sorted in no time!
Offers in no time
Local, skilled pros
Real reviews
Flexible pricing
Top Hot Water System Installation & Repair related questions
No need to provide tools or equipment. Your Tasker will arrive with everything needed for the job. As for the cylinder, it’s up to your agreement with your hired plumber whether you’ll provide it or they’ll source it for you. Make sure you’ve discussed this prior to the actual installation day.
The installation process, from the area inspection to the installation itself, can run between one to three days. If there’s no underlying issue to address, it could be completed within a single day.
Yes! If you run a business and have more jobs than you can handle, feel free to hire Taskers to assist you. Discuss the scope of work and the skills you need when posting a task. That way, it’s easier to match with suitable experts.
Installing a hot water system yourself isn’t ideal. This type of job involves compliance with UK building regulations and safety requirements and requires proper certification. Unless you’re a certified plumber or specialist, you may be better off booking a qualified expert through Airtasker instead.
The size of the system you need depends on the number of people in your household, plus how much they use hot water. A good rule to follow is to allow for 30–40 litres of hot water per person for a gas system or 55–60 litres for an electric system. Consult your hired plumber for an accurate recommendation.
You may still have hot water for a short period. Typically, in a power cut, the water will remain warm for one to two hours. But this largely depends on your usage, as well as the temperature outside.
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Suggested reads about Hot Water System Installation & Repair
What do hot water system installation services include?
A complete hot water system installation service covers everything required to set up a safe, reliable system in your home. This service includes the following steps:
Inspecting the area
The installation begins with a detailed assessment of the chosen spot for your tank and its components. The plumber will ensure the area can support the cylinder’s weight and meets all local building regulations. If the space is inadequate, they can help you find a suitable alternative location for the system.
Preparing for the hot water system installation
Once the location is confirmed, your plumber will prepare for the installation of the hot water tank. If needed, they may create a reinforced platform to support the weight of the tank. You can also hire a carpenter to work on this separately to lessen your plumber’s load.
Before proceeding with the installation, your Tasker will shut off the water, gas, or electricity, as necessary. They will then measure the area and cut pipes or wires to the right sizes. They may also have to cut holes into walls or floors for the pipework.
Installing the cylinder
When preparations are done, your plumber will set the cylinder or tank in its designated position. They’ll carefully avoid damaging any components or nearby pipes during this stage.
Fitting the components
Once the cylinder is installed, your Tasker will attach pipes, wires, and important components like the Temperature and Pressure Release valve, expansion vessel, and immersion heater. You can expect them to strictly follow UK regulations and best practices to ensure the system is safe and fit for long-term use.
Testing the system
After the installation of the hot water tank, your plumber will test the entire system. This is to check whether hot water flows smoothly and at the correct pressure through all taps and showers. Any issues with temperature or pressure will be addressed right away. This process will be repeated until the system works without fault.Â
With your hot water now sorted, why not consider making your home an even more comfortable place to live in? Insulation installers are also available on Airtasker to help you achieve year-round warmth while lowering those energy bills.
Recent Hot Water System Installation & Repair tasks
Plumber needed – leaking Ariston water heater
£50
Braintree, Essex
1st Sep 2026
My Ariston water heater is leaking a small amount of water from the front of the unit. I have isolated it by turning off both valves. I need a qualified plumber/heating engineer to diagnose the source of the leak and repair it if possible. Please assess whether the unit can be repaired or needs replacement and advise on the likely cost. Timing is flexible and I am open to offers.
Kitchen hot water tap is very hard to turn. Need replacing / repair
£40
Hounslow Heath, Greater London
28th Aug 2026
Downstairs kitchen hot water tap handle is very hard to turn and open. Needs fixing or replacing. The ceramatic valve may need replacing. (Not sure if this is the cause but looks rusty.)
Came on time and fixed our issue. I highly recommend him. Thank you for coming down from Croydon. All the best.- Simrun
No hot water from kitchen tap
£45
Hednesford, Staffordshire
26th Aug 2026
No hot water from kitchen tap
Boiler needs pressure no hot water
£30
Collier Row, Greater London
23rd Aug 2026
My boiler needs pressure top up, there is no hot water
Came out to us out of hours on a sunday morning, great service very professional and speedy service, highly recommend and will use again if i need a plumber !
Install a hot water tap
£75
Northolt, Greater London, UB5
22nd Aug 2026
I need a hot water tap installed. If you can also do any other odd jobs like hanging things that would also be useful. Thanks
Fit a 4 in 1 hot water tap
£100
St Pancras, Greater London
22nd Aug 2026
Replace exiting regular tap with a new Wodar 4 in 1 hot water tap. Electric socket in place Fit new door seal to Siemens washer dryer. Old seal has already been removed. New gasket on site Replace 1 x back box to switch.
Excellent. By far the best tasker/plumber I have booked. Very quick, efficient and charming.
Shower fittings not producing hot water
£100
Petts Wood, Greater London
14th Aug 2026
Shower fitted 4 years ago. Not used heavily. Water doesn’t get very hot
Repair a shower that is not mixing hot water with cold water
£120
Erith, Greater London, DA8
13th Aug 2026
The shower mixer is not working properly, hot water coming out and not sure if the cold water has been switched off or it is the shower mechanism
Leaky radiator and no hot water F75
£200
Southborough, Greater London
8th Aug 2026
Leaky radiator in bathroom Boiler pressure has dropped F75 error No hot water
What a great guy, quick response to my initial task, transparent. Came out on a Sunday morning when we had no hot water and extremely professional! 5 stars!
Thermostatic bath mixer tape and shower only bring out hot water
£50
Southbury, Greater London
1st Aug 2026
Bath decked thermostatic mixer tap and shower only bring out very hot water so not mixing to desired temperature
Fix hot water
£100
Temple Fortune, Greater London
27th Jul 2026
Water is only heating up luke warm.
Toilet problem, hot water meter problem and microwave power socket
£150
Ancoats, Greater Manchester
16th Jul 2026
- my toilet doesn’t flush properly (the big button doesn’t work) - when it does flush, the tank only trickles meaning we can’t use it back-to-back - the hot water meter isn’t working properly - power socket linked to the microwave doesn’t go in enough so power doesn’t work
Hot water tap installation
£60
Newington, Kent
11th Jul 2026
I have installed a hot water boiling tap that’s broken. Need to replace tap and get the hot water working. Pls you need to be familiar with installing hot water boiling tap
Plumber- Kitchen sink hot water is not working
£50
Tottenham Hale, Greater London, N17
9th Jul 2026
Tenant has gas at property. Hot water in kitchen is not working. They have hot water in the rest of the property.
I have a shower pump on hot water but would like a double pump fitted
£150
Hanworth, Greater London
8th Jul 2026
I have a shower pump fitted but only for hot water, I would like to know the cost to fit a double pump so it pumps the cold water as well
Airlock in hot water cylinder
£100
Hoole, Cheshire
7th Jul 2026
Hot water cylinder in apartment, suspected airlock, hot water comes through taps, very small amount. FlexiSeven water cylinder
Broken boiler - intermittent hot water
£150
De Beauvoir Town, Greater London, N1
1st Jul 2026
Hot water stopped working consistently. Works every now and then.
Plumber INSINKNATOR HOT WATER tank to be replaced with like for like
£20
North Wembley, Greater London, HA9
30th Jun 2026
InSinkErator Boiling Hot Neo Water Tank and Filter Installation under sink needs to be replaced.
Shower has no hot water
£70
Sydenham, Warwickshire
29th Jun 2026
Hot taps work but the showers are cold.
Supply and fit an outdoor hot water tap
£200
Immingham, Lincolnshire
28th Jun 2026
I’m looking for a qualified plumber to install a hot water supply to my existing outdoor tap. I already have a cold outdoor tap installed, and I’d like either a hot tap fitted alongside it or for it to be converted to a suitable hot and cold mixer tap, depending on the best option. Please provide a quote for labour (and any materials if required), along with your earliest availability. I’m happy to send photos of the current setup if needed for an accurate quote.