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"Friendly, efficient and very knowledgeable!"
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"A very skilled and knowledgeable tradesman, it was a real pleasure working with him :)"
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"Nik was a superstar! He came over to do a few electrical bits: change the bathroom extractor, a bedroom light, and the s..."
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"Quick to respond, quick to attend and hang prints in room. Would recommend"
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"Fixed the issue really quickly and super friendly! Would definitely contact again for anything else I need "
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"Foyzul was prompt, had good communication and completed the task perfectly. Thanks"
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"THE MOST AMAZNG ELECTRICIAN IN ALL OF UK. WILL ASK HIM TO REDO LIGHTNING FOR 4 STORY HOUSE"
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Recent Smoke Alarm Installation reviews in London
Super-lovely guy. Helpful communication. Task completed with no issues. Highly recommended.
Replace Smoke Alarm Battery on Ceiling-mounted mains alarm
£10

Excellent attitude and good job 👏
Smoke alarm
£60

Very professional and helpful. Would definitely recommend.
Replace smoke alarm battery
£20

Great efficient honest! Thank you!
Smoke alarm battery change
£20

I am very happy with the work done by Selami for my flat. He was very accommodating and he has done a really good job.
Install 5 smoke alarms
£200

Very professional and polite - Kieron did a great job!
Hang picture and backing plate for 3 Google Nest Protect Smoke Alarms
£65
What's the average cost of a smoke alarm installer in London
£45 - £100
low
£45
median
£65
high
£100
Average reviews for Smoke Alarm Installation Services in London
based on 58 reviews
4.97
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Recent Smoke Alarm Installation tasks in London
Fire and smoke alarm change
£50
Cyprus, Greater London
8th Sep 2025
I need assistance with changing fire and smoke alarms at my property
Change smoke alarm batteries
£10
The Mews, Greater London
29th Aug 2025
NEED DONE ASAP Change smoke alarm batteries in hard to reach area ( on high ceiling above set of stairs) ladder would be required
Replace bathroom light cord + switch. Replace high smoke alarm
£75
New Barnet, Greater London, EN5
27th Aug 2025
Two small jobs: 1) Replace bathroom light cord and switch. 2) Replace smoke alarm unit for hard to reach smoke alarm above stairs. Unit bought (just needs to be slid in to established fixing once old one removed). See photos for height (about 4m above middle of staircase)
Replace extractor fan, smoke alarm, and ceiling light
£180
Clapham Common, Greater London, SW4
23rd Aug 2025
I have three items I need an electrician to help with: 1. Replacing the extractor fan in my bathroom 2. Replacing the smoke alarm 3. Replacing the ceiling light in my bedroom and ceiling rose Photos are of the replacement items in boxes and the old/current units. I have a small ladder but a taller one might be needed for the bedroom ceiling light. The bedroom ceiling is approximately 10 feet tall.


Nik was a superstar! He came over to do a few electrical bits: change the bathroom extractor, a bedroom light, and the smoke detector. He was very friendly and respectful of my home.
Change batteries in smoke alarm
£40
Stockwell, Greater London
5th Aug 2025
Please bring a ladder to change batteries in smoke alarm
Smoke alarm replaced/repaired
£50
South Lambeth, Greater London, SW8
28th Jul 2025
The smoke detector is constantly beeping, and is connected to the mains. It will likely need replacing as I have changed the battery and reset it to no avail.
Nest Protect wired smoke alarm installation
£60
Woolwich, Greater London, SE18
25th Jul 2025
I would like to install a Nest Protect wired smoke alarm in my kitchen. I have removed an old smoke alarm in the kitchen (wiring shown in pics), so it can be installed in the same place.


Josh did a great job installing my smoke alarm, punctual and efficient.
Heat and smoke alarm installation
£160
Westbourne Green, Greater London
19th Jul 2025
Hi, I need an electrician to help install a heat alarm in my kitchen and a smoke alarm in my hallway. The alarms must be wired to main electrical supply and I need a Part P certificate to submit to my freeholder after the installation. Please be in touch if you can do it.
Cut and fix roller blinds and fix a smoke alarm to the ceiling
£50
Hackney, Greater London, E8
18th Jul 2025
We need two roller blinds to be fitted. One to our front window and one to our back door. The blind may need trimming to size We also require a smoke alarm to be fitted to the ceiling. This will just need two small holes to be drilled


Very efficient, friendly and helpful
Heat and smoke alarm install + decoration bits we need a drill for
£100
South Tottenham, Greater London, N15
8th Jul 2025
We just need to have our smoke alarm replaced in our hallway that has broken and then a heat alarm installed in our kitchen too. We would also need help with a few other handy decor tasks around the house (i.e. toilet roll holder install and curtain rod installs/blinds install)
Install wired smoke alarm
£40
Lower Sydenham, Greater London
7th Jul 2025
I just need the wiring installed for a new smoke alarm as the current wiring/plate does not match
Replace smoke alarm batteries
£100
Kingston Upon Thames, Greater London, KT1
2nd Jul 2025
Replace batteries smoke alarm


On time , courteous, helpful
Put a CO and smoke alarm in the kitchen
£100
Kingston Upon Thames, Greater London, KT1
1st Jul 2025
Put CO2 alarm and smoke alarm in the kitchen. send pictures after done
Change smoke alarm battery in kitchen
£20
Ponders End, Greater London
30th Jun 2025
Change the battery in a smoke alarm
Change smoke alarm battery on high ceiling
£150
Stockwell, Greater London
29th Jun 2025
Smoke alarm battery needs changing. It’s on a high landing ceiling 3.3 metres tall and I don’t have a tall enough ladder. You will need to bring a long ladder, use a flat headed screwdriver (which I will provide) to remove the alarm from the ceiling, replace the battery (which I will provide) and then refit the alarm into place.


Excellent thank you
Install smoke alarm
£20
Maze Hill, Greater London
19th Jun 2025
Install DEta 1163 smoke alarm
Smoke alarms
£200
Stoke Newington, Greater London, N16
19th Jun 2025
Already have wired smoke alarms (house in N16). Need one or two new wired in and potential replacement of some existing alarms if they need it. Looking for a budget of £50 fitting per smoke alarm.
Change lights and fix a cupboards and smoke alarm
£55
North Harrow, Greater London, HA2
2nd Jun 2025
Need LED change for lights in the bedroom The kitchen hinges off to be re hanged smoke alarms
Replace 4 smoke alarms
£20
Barnsbury, Greater London, N1
28th May 2025
I have 4 smoke alarms. They are old and they need to be removed, along with their base plate and 4 new ones need to be installed