One Step Insulation
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One Step Insulation
One Step Spray Foam Insulation is a family run business with many years' experience within the spray foam industry and specialists in the Icynene insulation system for both residential and commercial buildings. All our installers are in house and fully trained to the high standards set by Icynene and ourselves.

We provide a professional and efficient service with confidence that you can trust. We bring an insulation system to you that is of the highest standard, saving your money for years to come. Our offices are in Ballyclare, Belfast and Maghera and we service all of Northern Ireland. Our system is that it will leave your home feeling warmer in winter, but also allow it to feel cooler in those hot summer months!

Helps reduce the sounds from noisy indoor rooms such as media rooms and laundry rooms, outdoor noises such as traffic and playgrounds etc. By filling every hard to reach gap with our expanding foam, you'll be surprised by the reduction in airflow coming through treated areas.
Services
We are a family-run business with extensive experience within the spray foam industry and specialists in the Icynene insulation system for both residential and commercial buildings. All our installers are in-house and fully trained to the highest standards. We can help create a more comfortable, energy efficient building, eliminating drafts, eradicating both cold and heat penetration, helping make all rooms an even temperature.
Is the work carried out by your installer fully trained and licensed by the product supplier? Is your company fully insured with public liability insurance to protect me and my property? One Step Insulation have full public liability insurance covering the installers on site and the premises during install of the product.
Reviews (16)
Angela Wallace
Angela Wallace
Jan 29, 2022
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Positive: Professionalism, Punctuality, Value
Great job, arrived on time, tidied up & did a good job. Recommended.
David Bucklee
David Bucklee
Jan 04, 2022
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First class service, men arrived on time, clean tidy job, no mess left. Very professional, Highly recommend.
David Bucklee
David Bucklee
Dec 30, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness
First class service, men arrived on time, clean tidy job, no mess left. Very professional, Highly recommend.
Lorraine McElwee
Lorraine McElwee
Dec 01, 2021
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A big thank you. Very tidy work and a job well done. Noticed a change as soon as the men left 👌 highly recommended
Mary Oneill
Mary Oneill
Nov 29, 2021
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Couldn't recommend these guys enough. Gary replied promptly to my initial request for a quote, came out to assess what needed to be done, gave me a quote and explained the process, got a date which was convenient to both of us and when I arrived home on the day the attic insulation was carried out, you would not even have known that anyone had been in the house - very clean professional job. Gary was great at keeping in contact at every step of the way. As I said before - couldn't recommend them highly enough
Michael Kidd
Michael Kidd
Nov 29, 2021
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Brilliant service. Very friendly and approachable sales rep who had the house measured up and the quote provided in less than 10 mins.
Staff arrived right on time to install the insulation. They were very professional and only there for half a day.
The results speak for themselves, straight away our house felt warmer and when we have the heating on, it lasts much longer when it is switched off. Well worth it.
Purvis Campbell
Purvis Campbell
Nov 25, 2021
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Superb service from beginning to end. Helpful advice and professionally applied on the day. Highly recommended.
Stephen Hurson
Stephen Hurson
Nov 22, 2021
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Positive: Professionalism, Punctuality, Quality
Great service, insulated our full roof conversion, and a outdoor garden room very easy to deal with and a very clean tidy job.
Richie Henning
Richie Henning
Nov 08, 2021
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The guys arrived right on time and were very professional from the start. absolutely fantastic service and so clean and tidy, you wouldn't know they were here! I will definitely be recommending you to all that will listen lol! Thanks guys for speedy turnaround and service!
Diane Mcmullin
Diane Mcmullin
Oct 21, 2021
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Fantastic services by the guys at one step would highly recommend this company. All very friendly, polite and professional. Great investment now that energy bill are on the increase. Have noticed a considerable difference in how often I'm not putting the heating on and the heat is staying in the house for longer.
Lelia Godfrey
Lelia Godfrey
Oct 01, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Gary is a fantastic salesman and his team did a great job with my attic. The team was very tidy, hardworking, pleasant and I would recommend one step insulation to all my family and friends.
Marian Carlin
Marian Carlin
Sep 27, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Great job by the onestep team from start to finish. We've really started to notice a difference in the heat retention in the house since the insulation has gone in so I'm thrilled. Good clean job, great service and fab end result. What more can you ask for.
Thomas Robinson
Thomas Robinson
Sep 26, 2021
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Due to the great reviews and from talking to others that had One Step insulation installed, we had no hesitations in contacting One Step to get a no pressure quote for our roofspace as our house got cold as soon as the heating was turned off. Gary came out, took measurements and gave us a very competitive quote there and then within twenty minutes. It was booked in that day through Gary as we were both very happy with the quote given. A couple of weeks later, 2 vans and 2 very professional workmen turned up, laid the covers down and completed the job within a number of hours. You wouldn't have
Cl Corr
Cl Corr
Sep 23, 2021
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Recently had our loft insulated by One Step Insulation and I have been so impressed! Gary came out , and gave us a quote no pressure to make a decision and we quickly booked them in ! Two vans arrived at the house on time and they worked their magic ! When we returned home from work, you wouldn’t know they had been in the house ! We can already… notice a difference in the temperature upstairs in our house which had no insulation at all ! Looking forward to a cosy Winter this year ! Would I recommend One Step Insulation- most definitely, a very professional service !
Jim Patterson
Jim Patterson
Sep 21, 2021
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Great job very helpful and friendly
Well explained and did what they said
Can recommend this firm no problem
Watch on YouTube “10 out of 10 by Ray Comfort”
Google “John 3v16”
Bernie Ryan
Bernie Ryan
Sep 11, 2021
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Positive: Professionalism
Thanks to Gary and the team at one step insulation for a very professional clean and tidy job done at my house would recommend one step insulation to anyone thinking of insulating a new build or an older home like ours great job done