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Great rating - 4/5 (13330+ reviews)
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Best rated Hot Water System Installers near me
Latest Review
"Johnson was so patient and paid attention to every detail!! Thank you for the extra work as well (the kitchen sink) :) "
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"Came on exact time as committed and completed the job well"
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"Assisted with installing the parking post bollard. Quick and no messing about 10/10"
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"Thank you. Saved my back here! Really appreciate it. "
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"He completed the reach as requested and was polite and helpful"
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"I can see why this man has 5-stars. Unbelievable service and attitude. Happy to do whatever it takes to get the job done..."
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"Very competent. A gentleman. Knows what he is doing."
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"Great service, manged to get the machine working "
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Recent Hot Water System Installation & Repair reviews in London
Anthony helped me checking and proposing solutions for my boiler issue. His professionalism and attention to detail were seriously impressive. Definitely recommend his service! If you need an Plumbing/Heating Engineer, he's the one to call!
Gravity water heater only boiling hot water
£5
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
Right guy for the job. Sorted it really quick.
Boiler engineer. No hot water.
£5
Very knowledgeable guy, did the required job efficiently. Will be using his services again in the future.
Hot water not working
£65
excellent job. quick and clean. couldn't have asked for more.
Stiff hot water handle on kitchen tap, loosen or replace it.
£50
What's the average cost of a Hot Water System Installer in London
£80 - £150
low
£80
median
£120
high
£150
Average reviews for Hot Water System Installation & Repair Services in London
based on 73 reviews
4.85
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Recent Hot Water System Installation & Repair tasks in London
Boiler E01 Fault,no heating and hot water
£60
Cubitt Town, Greater London
4th Nov 2026
boiler showing E01 error. Reset attempted but still no heating or hot water. Looking for a Gas engineer to diagnose and repair the issue as soon as possible, preferably in one visit.
Low Pressure Hot Water - Need a new system in place
£250
Walworth, Greater London
4th Nov 2026
We have a Low pressure Hot water system - the Shower wont work, we need to verify if a Electric shower or A twin-impeller pump would work.
Install a water heater in kitchen
£80
Blackheath Park, Greater London
4th Nov 2026
I need a water heater installed. There was one in previously but it was leaking so needs to be replaced with a new one. I also need some plug sockets changed and a plug on a hoover changed. Thank you
Job title: Leak from Megaflo hot water cylinder/pipework
£80
Tufnell Park, Greater London
30th Oct 2026
Description: Persistent water leak/discharge around a Megaflo hot water cylinder. Water is currently being collected in a bucket which needs emptying a couple of times per week. There is visible limescale/corrosion around some of the cylinder fittings and valves. Exact source of the leak is unclear. Looking for an engineer experienced and appropriately qualified for unvented hot water cylinders to inspect, diagnose and repair the problem. Photos attached.
Mubarak fixed the leaking hot water cylinder really quickly, identified the problem, sourced the required part and replaced it. Happy to work with him again
Radiators Not Heating, Hot Water Working – W2 Paddington
£65
Paddington, Greater London, W2
28th Oct 2026
Looking for an experienced heating engineer to inspect a heating issue at our property in W2, Paddington, London. The hot water is working normally, but the radiators are not heating up, despite the thermostats being switched on. We need someone to diagnose the issue and, if possible, fix it during the visit. Budget: £65 for the initial inspection. Ideally looking for someone available today. Please confirm your availability. Thank you!
Michael was on time, efficient and did great work!
Hot water fault
£45
Hackney Wick, Greater London
25th Oct 2026
Need a G3 qualified engineer with electrical skills to fix a recurring hot water fault in my Hackney Wick flat. Megaflo unvented cylinder on a communal heat interface unit, no gas. The timer shows ON but the pump stays dark.
Need help installing Andris Lux 15L water heater
£50
West Kilburn, Greater London
22nd Oct 2026
I need someone to help us install a water heater. Its the Andris Lux 15L Under Sink Water Heater.
Replace my hot water/underfloor heating actuator
£40
Wandsworth, Greater London, SW18
22nd Oct 2026
I have an old and faulty actuator for my boiler/underfloor heating systems that needs to be replaced. I'm holding the new one in my hand, it needs to be installed onto a brass body and also its electrical wires need to be connected to the green connector on the bottom right hand side of the picture
Fix and replace if needed sensor in shower for hot water
£50
Harringay, Greater London
16th Oct 2026
Sensor that triggers hot water has gone water only in the shower keeps going cold
Amazing thanks so much
Urgent - got a leak that looks like it’s coming from a hot water tank
£30
Kidbrooke, Greater London
14th Oct 2026
Have a slow leak coming from the hot water tank (it appears) or piping under the sink in the kitchen.
Hot water issue
£200
Sands End, Greater London, SW6
12th Oct 2026
We have hot water issue for a while and the previous plumber said it was due to the pump. Also the immersion all of a sudden stopped. Need fixes for both
Plumbing - my washing machine is connected to the hot water pipe
£100
Cranley Gardens, Greater London
10th Oct 2026
Our machine machine is connected to the hot water pipe - we need it moving over to the cold pipe
Excellent all round ... quick communication, attended the same day, great workmanship - polite and friendly - could not recommend enough - thank you Johnson
No hot water pressure is down in the boiler
£100
Lisson Grove, Greater London
6th Oct 2026
No hot water and pressure is down.
Highly recommended as a plumber, provide a efficient service and reliable
Fit in a new tap which I have. As hot water pipe leaks when open
£80
Stepney, Greater London, E1
22nd Sep 2026
I have purchased a replacement kitchen tap which needs installing. The existing hot tap is faulty and leaks when opened. The fitting underneath the existing tap is extremely tight and I have been unable to remove it. Please remove the existing tap and install the new one.
Thank you, appreciate your hard work. If I need anything else I know where I’m going
Boiler repair - need a new hot water actuator valve
£150
South Lambeth, Greater London, SW8
18th Sep 2026
I have a boiler which has stopped working. I showed it to a plumber and he told me it needed a new Hot Water Actuator Valve but is quoting me ridiculous price for it when I know it is not that expensive. I need a plumber who can source this and fix my boiler.
Came on exact time as committed and completed the job well
Washing machine and dishwasher leak plus no hot water
£200
South Croydon, Greater London
18th Sep 2026
Moved into a new property. Had the washing machine connected and they said they couldn’t connect the dishwasher. Now we are noticing lots of water pushing up the floorboards in the kitchen. Also, couldn’t run a hot bath last night
Diagnose and repair boiler — no heating or hot water
£60
Stanmore, Greater London, HA7
16th Sep 2026
We have had no hot water or central heating for several weeks and need someone to diagnose and repair the system. We have: Baxi boiler Elson Zircon 210i, 210-litre indirect unvented hot-water cylinder Google Nest controlling the heating and hot water Please only respond if you are experienced with Baxi boilers, unvented hot-water cylinders and motorised valves/central-heating controls. Will provide any pictures required.
Hot water stopped working. No light or writings legible
£80
St Paul's Cray, Greater London
16th Sep 2026
Hot water not working. Display unit on boiler is off. Can’t see light or writings on it
Check and fix boiler – hot water not working
£80
New Barnet, Greater London, EN5
15th Sep 2026
I need a qualified boiler/heating engineer to check and fix my boiler, as the hot water is currently not working. Ideally, I’d like the problem diagnosed and repaired during the visit if possible. If parts are needed or there will be additional costs, please let me know before carrying out the work.
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








