Professional Insulation Contractors in Belfast

The highest-rated Spray Foam, Fiberglass & Cellulose Insulation companies out of 63 vetted & reviewed in the Belfast area.

Refresh NI

Refresh NI

(49)
Gas Boiler Replacement, Boiler Servicing, Home Insulation
“Excellent service, engineer was very knowledgeable and turned up when he said he would. Talked me through the product and tidied up everything after himself. Highly recommend.”
Coupons & Offers
30+ Years Experience
Unit 2, Bellsbridge Business Park, Ladas Dr, Castlereagh, Belfast BT6 9FH
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Treescapes NI

Treescapes NI

(50)
Site Clearance, Hedge Cutting, Tree Maintenance
“Very efficient, professional & friendly service. I haven't seen such a hard worker in years and nothing was too much trouble. I can't speak highly enough!”
Free Initial Consultation
Emergency Services
16 Kirkliston Park, Belfast BT5 6EB
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Certainfil Cavity Insulation

Certainfil Cavity Insulation

(45)
  • Job
  • Cavity Wall
  • Efficient
“Had old insulation removed & new insulation pumped in, great workers clean tidy with no mess what so ever! Would recommend this business with no hesitation thank you for your service!”
Free Initial Consultation
KIWA Certified
Family Business
3 Fairway Gardens, Malone, Belfast BT9 5NP
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Clever Insulation Belfast

Clever Insulation Belfast

(29)
  • Roof
  • Ventilation
  • The Future
“I needed to add some ventilation to my roof space and contacted a few contractors before settling with Clever Insulation. They promptly responded to my request, provided a competitive quote and an early installation date. Bad weather delayed them sl...”
In Business Since 2022
155 Northumberland St, Belfast BT13 2JF
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Belfast Loft Company LTD

Belfast Loft Company LTD

(5)
  • Team
“Top class results at a reasonable price. David won't over-sell but will come up with sensible solutions within your budget. The workmanship is first class and quick. You know you have a good team working when you can see the progress being made but h...”
Free Initial Consultation
26+ Years Experience
27a, Glenwood Business Centre, Belfast BT17 9QX
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Airspace Roofing

Airspace Roofing

(10)
  • Business
  • Quote
  • Tiles
“Brilliant job. Dean is an excellent roofer and has a great crew working for him, including his wife Carrie who sorts all the admin and kept me well informed throughout the process. Job was great value using good materials and no corners cut. Costs ...”
16 Knock Link, Belfast BT5 6GG
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Precision Group

Precision Group

(3)
Building & Maintenance, Facilities Management, Asbestos Services
“Super staff and super friendly people, fantastic service delivered”
45, City Business Park, Dunmurry, Belfast BT17 9HU
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Bluebuild Energy

Bluebuild Energy

(49)
  • Company
  • Solar Panels
  • Hot Water
“Got a 5.2kw system installed by bluebuild (no battery) on a south facing roof, based on a full years use it cut my usage from the grid by 50% (up to 80% during summer but then this can drop to 15% in the darkest months), produced lots of hot water fr...”
In Business Since 2011
Serving Belfast Area
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One Step Insulation Ltd

One Step Insulation Ltd

(50)
  • Price
  • Team
  • Job
“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””
Family Business
Serving Belfast Area
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Apex Roofing Solutions

Apex Roofing Solutions

(43)
  • Tiles
  • Price
  • Photos
“The rotten wood at the front of my house was all replaced and it's just like new. I'm very pleased with the outcome Positive Quality, Professionalism, Value Services Service not listed”
Serving Belfast Area
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East Down Building & Joinery

East Down Building & Joinery

(5)
  • Job
  • Team
  • Doors
“We were looking for a building contractor to carry out a Roofspace conversion with a staircase and a dormer window and to put an ensuite onto our bedroom, 2 people independently of each other recommended East Down Joinery to us and we were very impre...”
Emergency Services
In Business Since 2011
Serving Belfast Area
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Pawling's Insulation

Pawling's Insulation

(3)
“Friendly Competitive Service.”
BBA Certified
In Business Since 2010
Family Business
Serving Belfast Area
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Ancore

Ancore

(2)
“Great company.”
Serving Belfast Area
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Aztec Roofing Property and Maintenance

Aztec Roofing Property and Maintenance

(1)
“Adrian and the team were great, not the first people we had out to look at a leaky bay window - but the first people to properly try to resolve the issue. Very quick and professional service, issue not fully resolved on the first visit so they pro...”
Free Initial Consultation
In Business Since 2017
Belsize Road, Lisburn, GB, BT27 4DR
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Energystore

Energystore

(1)
“Used this company to update my wall insulation. It seems as soon as you get involved in home improvements you always have to chase up a company but energystore we're really efficient, always answered the phone, turned up when promised etc etc Carrie...”
In Business Since 2006
Serving Belfast Area
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Turkington Windows & Conservatories

Turkington Windows & Conservatories

(14)
  • House
  • Doors
  • Company
“I found the service from start to finish first class. Turkington Windows removed the hassle and headache of replacing windows. After installation there was a glitch with one of the window catches. This was speedily resolved to our satisfaction. The...”
Free Initial Consultation
In Business Since 2000
17 Linenhall St, Lisburn BT28 1FJ
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Cosy Insulation

Cosy Insulation

(44)
  • Job
  • Attic
  • Cost
“Very efficient, from start to finish, very helpful, office staff were excellent, i genuinely couldn't find fault, with any thing. completely transformed my home”
Free Initial Consultation
Serving Belfast Area
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The Method Group. Building Contractors

The Method Group. Building Contractors

(17)
New Builds & Extensions
“I originally contacted Method as I had a small leak coming from my boiler. Chris was very responsive, knowledgeable and polite and fixed the issue in minutes. He said he wouldn't charge me as it was such a small job, which was such a surprise, but I ...”
In Business Since 2020
Serving Belfast Area
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McLarnon H & Sons Ltd

McLarnon H & Sons Ltd

(3)
“Beautiful place”
Remote Consultations Available
Serving Belfast Area
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Nulok Roofing Systems

Nulok Roofing Systems

(7)
  • Solar
  • Properties
“I had Nulok Solar Tiles fitted on my roof and a Solarwatt PV battery storage system installed . The level of service and support from Paul and the team was outstanding. The attention to detail and end results have exceeded what I was expecting. Paul ...”
In Business Since 2016
Serving Belfast Area
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Eco Insulation NI Ltd

Eco Insulation NI Ltd

“Bead insulation fills 100% of the wall cavity, ensuring there are no cold spots. It is extremely good at insulating. Bonded beads have exceptional insulation properties (up to 20% more efficient than standard fibre insulation) & make the building mor...”
Free Initial Consultation
30+ Years Experience
Serving Belfast Area
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Callan Insulation Ltd

Callan Insulation Ltd

Five Sided Ventilation, Prefabrication and M.m.c, Chilled Water and Cryogenic
“Established in 1993. Callan insulation has earned a reputation as one of Northern Irelands leading industrial insulation firms. Working for many years with reputable clients in the HVAC, marine, petrochemical and industrial sectors has provided us wi...”
25++ Years Experience
Serving Belfast Area
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Bayview Contracts

Bayview Contracts

(9)
Windows and Doors, Heat Pumps, Internal Dry Lining
“From start to finsh Dave and Sean where a delight to work with they went above and beyond Very professional and very tidy work The lads were always on time and got to work with a result off making balcony look fantastic and safe for my kids I c...”
In Business Since 2007
Serving Belfast Area
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Mourne Insulation Services

Mourne Insulation Services

(16)
  • Team
  • Cavity Wall
  • Money
“5***** Want to say Martin and his team were excellent from start to Finnish. When I first messaged Martin he was more than helpful. He came out to do evaluation, and had a quote through within a few days. I got booked in for cavity wall insulat...”
In Business Since 2023
Serving Belfast Area
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Insulation Services in Belfast Cost Estimates

Minimum cost
£599
Maximum cost
£4380
National Average
£2053
Avg Per Hour Rates
£83
£1289
£2963
Average price range is based on 274 cost profiles
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Average Cost £2053
Minimum cost £599
Maximum cost £4380
Avg Per Hour Rates £83

Average range $1289 to $2963 is based on 274 cost profiles.

Why these companies made our list

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