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Great rating - 4/5 (13330+ reviews)

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Best rated Thermostat Installation experts near me

Recent Thermostat Installation reviews in Central London

Great job well done and quick.

Install Nest Thermostat

£100

Many thanks! Installed my Nest Thermostat and hard wired my controller - very professional and courteous. Exactly the man for the job.

Installing smart thermostat

£120

Claudius did a great job. Thank you!

A qualified plumber to install thermostatic tap / mixer / shower set

£80

Efficient, very helpful and polite

Check thermostat and underfloor heating

£100

Amazing job!!!

Removal old thermostat and installation on Hive

£50

Well executed.

Install nest thermostat

£100

What's the average cost of a Thermostat Installation specialist in Central London

£100 - £140

low

£100

median

£125

high

£140

Low, median and high bar chart distribuiton

Average reviews for Thermostat Installation Services in Central London

based on 72 reviews

4.86

66
4
0
2
0

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What do thermostat installation services include?

Whether you want to replace your old thermostat due to old age, or simply because you found a more advanced model, installers can handle the entire setup and installation process for you. You can get help with almost any type of thermostat, regardless if it's programmable or non-programmable, wired or wireless, or smart.  

If you have yet to purchase one, your Tasker can also help you find the best thermostat that suits your needs. Utilising their technical expertise for the job, you can expect a quicker turnaround time without compromise. Here's what you can expect:

Removing the old thermostat

When removing the old thermostat, make sure to turn off your HVAC units, either from the electrical breaker box or by switching off the system. The purpose is to limit potential hazards while accessing the wires and circuits. 

Your Tasker usually starts by removing the old front plate. Before they disconnect the body, they keep the wires labelled and identified to make it easier to reconnect the new thermostat later on. Then, they unscrew the old mounting plate from the wall.

Need help with disposing of your old thermostat? Unlike regular trash, they shouldn't simply go to your kerbside collection. Instead, you can hire a clearance specialist to collect them and hand them over to a hazardous waste drop-off site. 

Fitting the new thermostat

Taskers follow the recommended installation steps from the manufacturer. Usually, it starts by connecting the new plate on the wall and then reconnecting the labelled wires in their corresponding terminals. All excess and loosened wires are then pushed back into the wall. The last step is the mounting of the cover plate.

With a properly installed thermostat, it should be easier to maintain an ideal indoor temperature without the need to leave your AC on full blast. But if you want to cut down your energy and electrical consumption, you might also want to consider insulating your room through walls or ceilings.

Configuration and final testing

To confirm the success of the installation, you need to turn the power back on and reset the setting of your new thermostat. Your Tasker can help you program the unit as per the user manual. If you're using a smart thermostat, they can connect them to your wireless network and then try controlling from a third-party device, like a smartphone or tablet. Once done, set the desired temperature of your HVAC unit and check if they are heating or cooling the space as required.

Recent Thermostat Installation tasks in Central London

Thermostatic cartridge help

£150

Upper Holloway, Greater London

10th Jul 2026

My concealed shower tap's thermostatic cartridge needs cleaning or replacing. Water is hard to mix, always too hot or too cold! Obviously if it needs replacing i would need to buy it and you'd have to come back and I'd pay for both times... I tried to take it out to get a picture but I wasn't able to get the tap cap off,even after taking out the screws.

Fix an issue with Tado radiator thermostat

£100

South Hampstead, Greater London, NW6

30th Jun 2026

We have a fully functioning Tado smart heating system around the house. One bedroom Tado thermostat is continuously failing to connect or work, despite completely changing it twice.

Swap VW Polo Thermostat Housing Assembly (Parts Supplied)

£50

Wood Green, Greater London, N22

28th Jun 2026

Looking for a local mobile mechanic to replace the engine thermostat housing assembly on a 2006 VW Polo. Parts Already On-Site: I have already purchased the brand-new complete Firstline housing assembly (includes the thermostat, new seals/O-rings, and the sensor) and a fresh bottle of G12 pink coolant. The Job: Straightforward unbolt-and-bolt swap on my driveway, followed by a quick cooling system bleed and top-up. Location: North London Payment: £50 flat rate for labour.

Replace thermostatic shower valve

£100

Nine Elms, Greater London, SW8

14th Jun 2026

Replace my PURA shower thermostatic shower valve. I will buy a selection of valves and you can decide which one is the correct one to fit, then I’ll return the others.

Help cleaning/changing a thermostatic cartridge (shower mixer tap).

£50

Stepney, Greater London, E1

30th Apr 2026

My shower keeps switching between scalding hot and freezing cold… done a bit of research online, looks like it’s an issue with the Thermostatic Cartridge. Need to remove the cartridge and assess the situation, it might just need a descale. Just not really sure how. I’m guessing it’s not a huge job. If time and skills permit I’d also like to hand a couple of hooks on the wall, just not confident with a drill. Thanks.

Reset overheat thermostat in smeg oven

£40

Tower Hill, Greater London

28th Apr 2026

Oven has stopped working, I believe this is a thermostat issue oven model is Smeg ALFA43XMFDS

Need help with a thermostat

£10

Clapham, Greater London, SW4

25th Apr 2026

Hi, I have a new boiler and it controls all the heating. I've put new batteries in the thermostat which I know controls the heating but the thermostat doesn't work. Do you think I need a new themorstat?

Hive thermostat issues

£100

Noak Hill, Greater London

21st Apr 2026

Heating issue Hesting only works when hot water is on Boiler has been tested all working I expect its a electrical issue Issuse needs fixing

Thermostat fitting

£50

Streatham Park, Greater London

21st Apr 2026

Our thermostat has packed in so we need someone to fit our new one.

Reset and reconnect Hive Thermostat to our login account

£50

Kennington, Greater London

15th Apr 2026

I have a Hive thermostat which is disconnected from our login account when a new boiler was installed. It is all wired up but it needs adding again to our google login. SE5 0SU Oval / Camberwell

Rest & Reconnect 2x Nest Thermostats SW London

£100

Tooting, Greater London, SW17

15th Apr 2026

I have 2x thermostats which are disconnected from the internet and we do not have the password to unlock the 4-digit pin on the device in order to reconnect. So they need resetting and adding again to our google login. SW17 7LE tooting broadway SW15 3RX Roehampton

Fix thermostatic tap, sealant and grouting

£250

Streatham Vale, Greater London

30th Mar 2026

I have issues with two showers. One requires the grouting and sealant replaced and the the second needs its thermostatic tap fixed. Images attached for your consideration

Great work done. Very professional. Great attention to detail.

I need to install a google nest thermostat

£80

Tower Hill, Greater London

29th Mar 2026

Google Nest Thermostat 3rd Gen needs to be installed

Replace thermostat inside a fridge. Fridge brand is Proline, PLC190SL

£40

Surrey Quays, Greater London, SE16

27th Mar 2026

I already have the new thermostat, I just need someone to replace the old with the new. Tomorrow afternoon or evening would be ideal. It's a quick job. Meet me at Bermondsey tube station, between 3pm - 5pm.

Replace Thermostat

£30

Norbury, Greater London

17th Mar 2026

I’d like to replace this thermostat with a more modern looking one that I can control via WiFi

Replace Thermostatic Mixer Shower Valve and Adjust Temperature Limit

£75

Brownswood Park, Greater London, N4

14th Mar 2026

I need a plumber or experienced handyman to service my concealed thermostatic shower mixer. We have two of these that need to be done Tasks required: 1. Remove Handle & Faceplate: Carefully remove the matte black temperature handle and faceplate (as seen in the photo). 2. Clean Limescale/Corrosion: There is some buildup and pitting around the base of the handle. I need this cleaned up as much as possible without damaging the finish further. 3. Adjust Temperature Limit: The shower does not get hot enough. I need you to recalibrate the internal thermostatic cartridge/stop ring to allow for a higher maximum temperature (past the current 38°C limit). 4. Inspect for Leaks: Check if the white buildup is caused by a slow leak from the cartridge seals and advise if a new O-ring is needed. Notes: * I am not looking to replace the unit, just to have it serviced and the heat limit adjusted. • Please bring appropriate tools (allen keys/wrenches) and a descaling solution.

Fix malfunctioning Nest thermostat system

£120

Peckham, Greater London, SE15

14th Mar 2026

I have 2 Nest thermostat units on the first floor which don't turn on, but the units on the ground floor and top floor do. As far as I can tell the base plate (white square one) on the first floor is not receiving power. But there is a Heatmiser UH6 on the first floor which seems to be working correctly. I'm looking for someone who can identify and fix the issue. Let me know if you need additional details.

Make heating working again by turning thermostat

£60

Chelsea, Greater London

3rd Mar 2026

Someone came to change thermostat as it was broken but when replaced it turn off heating at the house, he said didn't know what he was doing. then requested to put back the previous one to make it work but heating stopped working. Does anyone know how to turn on thermostat again? only need to turn on then will cover.

Replace thermostatic radiator valve

£150

Tooting Bec Common, Greater London

28th Feb 2026

Two radiators need replacing

Repair intercom and replace thermostat

£80

South Kensington, Greater London, SW7

16th Feb 2026

re attach intercom and replace thermostat