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Great rating - 4/5 (13330+ reviews)

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  • Smart thermostats
  • Low voltage
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Recent Thermostat Installation reviews in Central London

Claudius did a great job. Thank you!

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

£80

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

Great job well done and quick.

Install Nest Thermostat

£100

Quick, efficient and professionally done job. No complaints at all and would highly recommend.

Remove old and install new shower thermostatic mixer

£60

Well executed.

Install nest thermostat

£100

Amazing job!!!

Removal old thermostat and installation on Hive

£50

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

£97 - £138

low

£97

median

£125

high

£138

Low, median and high bar chart distribuiton

Average reviews for Thermostat Installation Services in Central London

based on 74 reviews

4.82

67
4
0
3
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

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

Replace thermostatic shower

£60

Battersea, Greater London, SW11

13th Feb 2026

Replace shower. I already took the old one off

Thermostat replace, install new kitchen tap and remove and reseal bath

£150

Canonbury, Greater London

11th Feb 2026

I'm looking for a handyman to: - replace an old Honeywell thermostat in Living Room with a Tado Smart Thermostat (supplied) - Replace a leaking kitchen mixer tap with new (supplied) - Remove old sealant from bath, silicone around flooring, and reseal with new (green areas marked)

Install intercom and thermostat

£80

Queen's Park, Greater London

6th Feb 2026

I need an electrician to install a thermostat and an intercom into my flat. My flat is old and the new thermostat and intercom are modern. I also need one switch cap replaced.

Install new intercom system and also thermostat

£80

Kilburn, Greater London, NW6

6th Feb 2026

I currently have an old intercom ststem that operates with a bell inside the flat, its old style. I need someone to install the new style intercom. I also have an old thermostat and need someone to put in a new style one.

Landlord gas safety inspection + Hive Smart Thermostat and Hub install

£225

Nunhead, Greater London

10th Dec 2025

I would like someone to come out to our property to complete a Landlord Gas Safety Inspection to install a smart Hive Thermostat and hub. Happy to send more info if needed.

Great work and arrived on time.

Radiator values changing to thermostatic.

£10

Tulse Hill, Greater London

6th Nov 2025

Expert need to replace values. I had 4 radiator which need to install thermostatic walls. 1 big radiator 3 small radiators Values are purchased.

He did amazing work ! Easy to communicate with him.