A professional helping with water heater installation and repair.
A professional helping with water heater installation and repair.

Find a professional hot water system contractor in Central London

Fill in a short form and get free quotes for local hot water system contractors in Central London

4.0

Great rating - 4/5 (13330+ reviews)

Looking for hot water system contractors?

  • Gas system
  • Electric systems
  • Boilers
  • … or anything else
It only takes 2 minutes. And it's free.
Up to 50% cheaper than franchise dealers
No job too big or small
Free insurance coverage
Secure cashless payments
Same day or next day service at no extra cost

Best rated Hot Water System Installers near me

Recent Hot Water System Installation & Repair reviews in Central London

Tony is polite, professional and knowledgeable. I would use him again.

Replace valve on electric hot water tank .

£150

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

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

Even it was a short notice and Sunday Antony make the visit and finished his service quickly with lots of friendly suggestions and improvements.

Water heater service

£60

Right guy for the job. Sorted it really quick.

Boiler engineer. No hot water.

£5

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 Central London

£90 - £177

low

£90

median

£125

high

£177

Low, median and high bar chart distribuiton

Average reviews for Hot Water System Installation & Repair Services in Central London

based on 41 reviews

4.9

38
2
1
0
0

What is Airtasker?

Post your task

Post your task

Tell us what you need, it's FREE to post.

Review offers

Review offers

Get offers from trusted Taskers and view profiles.

Get it done

Get it done

Choose the right person for your task and get it done.

54+

Tasks successfully completed

2

Average amount of offers per task

22

 mins

Average time to receive offers

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. 


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 in Central London

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

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

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.

Fix hot water

£100

Temple Fortune, Greater London

27th Jul 2026

Water is only heating up luke warm.

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.

My hot water isn’t working

£25

Islington, Greater London, N1

26th Jun 2026

My hot water isn’t working

Shower is only giving out hot water

£150

Farringdon, Greater London

25th Jun 2026

The bathroom shower is only giving out hot water not cold

Ifty came to fix my shower and diagnosed the issue with the valve straight away — no faff. He was very polite, professional, and did a great job quickly and efficiently. He was able to come out the same day, which was really appreciated. Thanks so much — I would definitely use him again!!

Electric Hot Water Cylinder Repair

£300

Elephant And Castle, Greater London, SE1

20th Jun 2026

Issue: Intermittent Hot Water Failure - Heatrae Sadia PremierPlus Unvented Cylinder I have a Heatrae Sadia PremierPlus unvented electric hot water cylinder with an external Aquasystem expansion vessel. The issue is intermittent: * Sometimes there is no hot water at all. * The system occasionally starts working again by itself. * Sometimes I can get it working by turning the electricity off and on or repeatedly using the Boost function. * When it starts working again, it can take several hours before hot water is available. * No obvious leaks are present. * The expansion vessel appears intact, but I am unsure if it is related.

We’ve received an excellent service from Egzon. He was very quick to spot the issue and organize the fix for it. Highly recommend.

Tighten loose faucets, figure out why there is no hot water upstairs

£150

Wimbledon Park, Greater London, SW19

20th Jun 2026

Two wobbly faucets, no hot water upstairs and a stuck drain cork. Needs sorting.

Electric hot water cylinder installed

£500

Shacklewell, Greater London

25th May 2026

Looking for someone who can install and self-certify a hot water cylinder in our garden room. As this is for secondary use we're looking for around 100 litre tank. Nothing fancy as we're keen to keep costs low due to it being a garden room. The electrician has already set up the fuses and wiring ready to be connected. We are working on the pipework for the bathroom setup over the next couple of weeks so can also build the waste for the hot water cylinder if that is helpful.

Fix water heater

£100

Westminster, Greater London, SW1A

20th May 2026

Fix water heater damaged

Install a hot water tap under kitchen sink + replace garden hose pipe

£160

North Kensington, Greater London, W10

18th May 2026

Two tasks 1. Install new hot water tap to replace old one - under kitchen sink -should take 15/20 mins 2. Source and replace garden water tap thats been leaking - 1-2 hours

Really friendly, efficient, & competent!

Fix leaking Ariston hot water cylinder

£230

Barnsbury, Greater London, N1

7th May 2026

Job: Fix leaking Ariston hot water cylinder + other repairs: Need a reliable tradesperson to: • Replace the immersion heater element and gasket on our Ariston unvented cylinder (clearly leaking from the flange) • Fix the water temperature — it’s coming out too hot from the taps. • Check and repair a noisy washing machine (loud noise, possibly stuck drum) Location: Utility Cupboard. Power isolator and water valves are easy to access. Price includes all labour and parts. Please only apply if you’re comfortable with unvented cylinders. Ready for someone this week — let me know your availability.

Urgent: Boiler issue. No hot water. No heating.

£85

Lower Holloway, Greater London, N7

17th Apr 2026

Hi, I need an urgent visit from a Gas Safe Registered engineer to fix my Vaillant ecoTEC Plus boiler. ㅤ Currently, we have no hot water. The boiler display is showing a pressure of 2.8 bar, which is in the warning zone. I have tried to reset the unit, but it is not firing up. ㅤ Requirements: • Must be Gas Safe Registered (please provide your ID number in the offer). • Experience with Vaillant ecoTEC models. • Task involves: Safely reducing system pressure, checking for a faulty filling loop or expansion vessel issue, and ensuring the boiler restarts correctly.

Fix low hot water pressure (electric system) – kitchen tap only

£75

Furzedown, Greater London, SW17

11th Apr 2026

Fix low hot water pressure (electric system) – kitchen tap only Description: I need someone experienced with plumbing / electric hot water systems to fix low hot water pressure in my kitchen tap. Details: Property: Flat in Tooting Issue: Hot water pressure is low in the kitchen only Cold water pressure is fine Bathroom hot water appears normal System is electric (not gas) What I need: Diagnose the cause Fix the issue if possible during visit Requirements: Experience with electric water heaters / plumbing Must bring own tools Please mention relevant experience in your reply Flexible on timing but ideally ASAP. Please quote for labour and mention if parts would be extra.

Fix extractor fan in bathroom & manage hot water for shower

£150

Nag's Head, Greater London

11th Apr 2026

The extractor fan for the bathroom doesn’t seem to be working which’s causing humidity to form in the adjacent bedroom (mould spores under mattress as a result). Need the extractor fan to be functional & to turn off with a timer. I’m not sure exactly where it’s located though. (Flat is currently tenanted- so sadly I can’t be there to assist). Hot water temperature needs to be adjusted in the shower… Tenants are saying that the water is scolding hot.

Water heater removal and move in small apartment

£750

Wapping, Greater London, E1W

25th Mar 2026

Remove old electric water heater, install new(relocated)

Great guys, very efficient and great plumbers.