Why Insulation Matters for Your Home
Insulation is one of the smartest investments you can make in your home.
Without proper insulation, up to 60% of your heat can be lost through your roof and walls.
By insulating your property, you can:
Cut up to 60%
On your annual heating bills
Home Comfort
Enjoy indoor comfort all year round
BER Rating
Improve your BER rating and boost your home's value
Home Insulation We Offer
External Wall Insulation
Transform the outside of your home and dramatically cut heat loss.
EWI wraps your house in a new thermal jacket, finished with a fresh, modern render.
EWI wraps your house in a new thermal jacket, finished with a fresh, modern render.
- Ideal for older solid-wall homes
- Improves both performance and appearance
Cavity Wall Insulation
Many homes built after the 1970s have cavity walls that can be insulated easily.
We inject high-performance insulating beads that:
We inject high-performance insulating beads that:
- Stop draughts
- Lock in warmth
- Reduce energy costs
Loft (Attic) Insulation
The roof is the number one source of heat loss in Irish homes.
Our expert attic insulation services seal your home from above, keeping the heat where you need it most.
Our expert attic insulation services seal your home from above, keeping the heat where you need it most.
- Mineral wool roll-out
- Ventilation upgrades to mitigate moisture build up
Home Insulation Grants - Save Energy, Save Money
Improving your home’s insulation is one of the most effective ways to reduce energy bills, increase comfort, and lower carbon emissions.
In Northern Ireland, there are several grant schemes designed to help homeowners upgrade their insulation:
Key Grants & Schemes
Northern Ireland Sustainable Energy Programme (NISEP)
Provides funding for energy efficiency upgrades to eligible homes, including loft and cavity wall insulation.
Affordable Warmth Scheme
Supports low-income households with insulation and heating improvements.
⚠️ Note: Grants are subject to eligibility criteria and funding availability.
Our team will guide you through your options and help you understand what support may apply.
Real Customer Stories
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Clean energy for homes and businesses with BlueBuild
Smart, sustainable energy solutions tailored to you.