In association with Renfrewshire Council
Renfrewshire
Trusted Trader

John Mullan

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 5.0 out of 5 based on 215 reviews and feedback.
Trusted Trader member since 2022.

John Mullan
12 Methuen Road
Paisley
PA3 4JZ
07703 110 011
07522 783 387
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Business Information

My name is John Mullan and I'm a retired fire officer with 30 years' service and an additional 16 years as a Building and Facilities Manager in Glasgow's City Park.

I import, sell and fit interlinked smoke and fire detectors conforming to Scottish Government regulations introduced in February 2022 and now required in all homes by law. Insurance companies also invariably have a clause in the policy to the effect that the property complies with Building Regulations, within which the new regulations are included.

These radio frequency alarms are installed at very reasonable prices, typically £140 to £175, without mess or the need for expensive electrical work, and usually within a day or two of ordering. I'm happy to give an estimate on the phone and can take calls between 9.00am and 9.00pm.

Please see my reviews. I have never had a customer who was dissatisfied with my work or prices, and regularly receive referrals from them for friends and neighbours.

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Reviews and Feedback

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5.0 out of 5 based on 215 reviews.
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review stars review stars review stars review stars review stars   11th February 2026
Value of Products/Services or Work Performed: £1 - £1000
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I had a fault in my smoke alarm, phoned John and he came to my house within a couple of hours. John was very personable and explained my options. John carried out the work quickly and efficiently, a good job done and I would highly recommend him.
review stars review stars review stars review stars review stars   5th February 2026
Value of Products/Services or Work Performed: £1 - £1000
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John was informative, professional and worked really quickly. He made me feel so at ease as a lone female coming into my home. I would highly recommend him for his friendly expertise. We have full trust and assurance in the work he has done.
review stars review stars review stars review stars review stars   30th January 2026
Value of Products/Services or Work Performed: £1 - £1000
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Had a new fire alarm system put in by Joh. Made the old wired system safe and explained how the new system works. The price was excellent. Really nice guy to talk to.
review stars review stars review stars review stars review stars   29th January 2026
Value of Products/Services or Work Performed: £1 - £1000
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Mr Mullan was a very polite gentleman and was very helpful. He conducted his work efficiently and has the right tools for the job. He gave good advice. Nothing was a problem.

review stars review stars review stars review stars review stars   5th January 2026
Value of Products/Services or Work Performed: £1 - £1000
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My house required linked in smoke and heat alarms. I contacted John and he arranged to come around within a few days. He arrived promptly and fitted the alarms in less than an hour. No mess. Easy instructions and advice provided. John is friendly and personable. I would definitely recommend him.

review stars review stars review stars review stars review stars   16th December 2025
Value of Products/Services or Work Performed: £1 - £1000
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I called John first thing this morning, as my previous smoke alarms decided to sound at 6:20 am and wouldn't turn off.

John arrived at 10 am and proceeded to replace all four units with brand new ones. John was very personable, efficient and experienced. The price was also fantastic - much better than what I paid for the original smoke alarms.

John also left me with plain English instructions and certificate of installation/compliance.

I am absolutely delighted with the service I have received. I recommend John unreservedly. I would use John again without hesitation.
review stars review stars review stars review stars review stars   12th December 2025
Value of Products/Services or Work Performed: £1 - £1000
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Efficient and great value for money.
review stars review stars review stars review stars review stars   12th December 2025
Value of Products/Services or Work Performed: £1 - £1000
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John was fantastic from start to finish. Took great care in his work and explained my new system to me. Would recommend.

review stars review stars review stars review stars review stars   10th December 2025
Value of Products/Services or Work Performed: £1 - £1000
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John was extremely courteous and arrived on time. He was fitting new smoke alarms for me and explained in detail what he was going to do. I saw his advert in the Mearns Community Magazine and thought it was excellent value compared to other quotations I had been given. I would definitely recommend him.
review stars review stars review stars review stars review stars   8th December 2025
Value of Products/Services or Work Performed: £1 - £1000
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John was very informative and a good personality. Very professional and provided all the necessary documentation.
review stars review stars review stars review stars review stars   4th December 2025
Value of Products/Services or Work Performed: £1 - £1000
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Excellent, very quick, knowledgeable service and explained everything and great price.
review stars review stars review stars review stars review stars   3rd December 2025
Value of Products/Services or Work Performed: £1 - £1000
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5*
review stars review stars review stars review stars review stars   1st December 2025
Value of Products/Services or Work Performed: £1 - £1000
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Came quickly next day after phoning.
Very pleasant and friendly.
Got on with the work to be done and everything was left tidy.
Would call him out again any time.
review stars review stars review stars review stars review stars   1st December 2025
Value of Products/Services or Work Performed: £1 - £1000
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John is such a lovely man. Very professional, explained the system thoroughly, no mess. Would definitely recommend to family and friends.
review stars review stars review stars review stars review stars   19th November 2025
Value of Products/Services or Work Performed: £1 - £1000
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5*
review stars review stars review stars review stars review stars   17th November 2025
Value of Products/Services or Work Performed: £1 - £1000
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From the point I made contact with John to completion of works, I found him to be courteous, professional and extremely knowledgeable, his workmanship was very tidy and quickly carried out, enabling me to arrange a home report for the sale of my property. I would highly recommend John to other customers.
review stars review stars review stars review stars review stars   17th November 2025
Value of Products/Services or Work Performed: £1 - £1000
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Mr Mullan is very professional.
review stars review stars review stars review stars review stars   16th November 2025
Value of Products/Services or Work Performed: £1 - £1000
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Great job, thanks.
review stars review stars review stars review stars review stars   15th November 2025
Value of Products/Services or Work Performed: £1 - £1000
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John Mullan arrived on time and was very helpful.
review stars review stars review stars review stars review stars   6th November 2025
Value of Products/Services or Work Performed: £1 - £1000
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Mr Mullan is extremely pleasant. He took time to explain everything and left detailed instructions for every scenario. Would have no hesitation in recommending him. Ten out of Ten!
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