Warm Your Home from the Top Down

Up to 30% of your home’s heat is lost through the roof. Loft insulation is a fast, affordable upgrade that locks in warmth and slashes heating costs — with minimal disruption.

A low-angle shot of a BlueBuild technician wearing a grey company polo shirt and black cap, carrying a large roll of wrapped mineral wool insulation on his shoulder away from an open delivery van.

What is Loft Insulation?

Loft (or attic) insulation involves installing layers of insulating material in your roof space to stop heat rising and escaping.

We offer cold Loft Insulation (insulating the attic floor).

*Please note we install Attic Insulation only when required as part of a complete External Wall Insulation upgrade for your home and not as a stand alone measure.

Key Benefits of Loft Insulation?

Improved Thermal Comfort
Reduced heat loss = warmer rooms below
Lower Heating Bills
Save up to 25% on annual energy costs
Fast & Non-Disruptive Installation
A BlueBuild project manager conducting a home consultation with residential clients.

Is My Home Suitable?

  • Homes with pitched roofs and uninsulated or poorly insulated attics
  • Attics with access via hatch or stairs
  • Homes experiencing uneven heat distribution or cold ceilings
  • Homes with unoccupied & unheated attic spaces.

We’ll assess your attic space during our free survey and recommend the best insulation method for your layout and budget.

An insulation installer wearing a protective dust mask and headlamp kneeling inside a residential attic spaces to unroll a bundle of mineral wool insulation between wooden roof rafters.

What’s Included in Our Service

  • Insulation of attic floor to SEAI specification (typically 300mm)
  • Ventilation upgrades to prevent condensation build-up
  • Water tank and pipe lagging for freeze protection
  • Insulated and draught-proofed attic hatch
  • Optional attic flooring over insulated areas for storage
A smiling woman wearing a headset takes notes with a pen while looking toward her open laptop at a wooden desk in a bright office environment.

SEAI Grants for Loft Insulation

Generous grant funding is available from the SEAI to help you improve your home’s energy  efficiency.

Attic Insulation Grant: Up to €2,000 (depending on property type)

BlueBuild will support you through the grant application process from start to finish.

Our 4-Step Installation Process

1
1
Free Attic Survey

We check your current insulation and ventilation

2
2
Tailored Insulation Proposal
3
3
Professional Installation

 in 1 day or less

4
4
Final Check & BER Upgrade

Frequently Asked Questions on Insulation for your home

We’ve answered some common questions to help you with any concerns

We use high quality glass mineral fibre rolls that meet SEAI and TGDL Standards for Irish homes.

Yes — we can install raised flooring sections on top of the insulation so you don’t lose usable space.

Absolutely. If your existing insulation is less than 300mm thick, we can add to it to meet current standards.

Most loft insulation jobs are completed in less than a day.

Hear from Our Customers

  • June 2026 External Wrap, Cavity Wall and Attic Insulation. Chimney blocked and vents inserted in all of the rooms and attic. I would like to thank Tony, the project manager and Niamh in the office for such a good experience (and all the Bluebuild people who worked on our house). Bluebuild carried out all works in a timely, professional manner with minimum distruption. They organised everything and helped with the grant paperwork. I would have no hesitation recommending Bluebuild.
    Kathriona Dunne
  • Very happy with all works done 'lads were very helpful always ,worked very hard and long days to get our job done thanks to all who helped get our ho.e finished
    Helen Elliott
  • Fantastic service from Blue Build. The whole team did an excellent job wrapping our house. They were professional, reliable, hardworking, and the quality of the workmanship is outstanding. We couldn’t be happier with the finished result and would highly recommend them.
    paul skelton
  • We recently had external insulation installed on our home, and we couldn't be happier with the entire experience. The professionalism shown by everyone involved was outstanding. The quality of the workmanship is excellent, and the attention to detail is clear in the finished result. The installation crews were incredibly hardworking, friendly and courteous. They arrived early each day, worked efficiently, and were always happy to answer any questions we had. The management team were equally impressive. They were approachable, helpful and very accommodating throughout the project, making the whole process straightforward and stress-free. Nothing ever seemed like too much trouble. The work was completed much quicker than we expected, without any compromise on quality. The team also took great care to keep everything clean and tidy, leaving the property in excellent condition when the job was finished. We are absolutely delighted with the final result and would have no hesitation in recommending this company to anyone . A first-class service from start to finish. We'd like to specifically thank Michael, Colm, Lulian and his crew and Niamh the secretary!
    Barbara Monica O Hara
  • Had the most wonderful group of lads in to do the wrap fan s windows and attic insulation in my mum's house in wicklow town under the supervision of Jason roe project manager From start to finish a fantastic job the lads all very mannerly and plesent extremely tidy Could not rate them any higher Thrilled with the end result Thank you guys Andre and most of all Jason
    Jenny Keelaghan
Google Reviews
Rated 4.6 out of 5 stars on over 100+ reviews

Keep the Heat Where It Belongs — In Your Home

Our team can help you access SEAI grants, choose the best insulation method, and install  everything in one clean, professional visit.

  • • SEAI-Registered Contractor
  • • Fully Qualified Installers
  • • 13+ Years’ Experience
  • • Satisfaction Guarantee