Trusted by Homeowners & Local Authorities
Since 2012, we’ve grown from a small specialist insulation company into one of Ireland’s most trusted names in deep retrofitting. We’re proud to have completed large-scale projects for:
Kerry County Council, Cork County Council, Cork City Council, Dublin City Council, Laois County Council, and Offaly County Council, further underlining the confidence placed in us to deliver quality results at scale.
Leading the way in sustainable home energy upgrades across Ireland
Over 3,400 homes transformed through deep retrofits and energy upgrades – and counting
Making Irish homes warmer, greener and more energy-efficient – one upgrade at a time.
Why Choose Retrofit Design?
We’re a registered SEAI One Stop Shop provider, which means we handle everything from start to finish:
- Home Energy Assessment (HEA)
- Full project management – no need to juggle multiple contractors
- Grant application and compliance – we ensure you secure the maximum available funding
- Quality-certified contractors delivering to SEAI standards
- Clear timelines, communication and pricing every step of the way
Expertise You Can Rely On
Our services span the full spectrum of energy upgrades, including:
- Cavity & attic insulation
- External wall insulation
- High-performance windows & doors
- Heating systems & controls
- Roofing improvements (thermal & structural)
- Solar PV
- Ventilation & airtightness
- Spray foam insulation
- Construction & demolition works
We use the latest technology, systems, and materials to ensure your upgrades are high-performing, durable, and sustainable.
Fully Accredited for Your Peace of Mind
Retrofit Design holds industry-leading certifications and memberships, including:
- SEAI-registered One Stop Shop
- NSAI certified
- ISO 9001, ISO 14001 & ISO 45001 accredited
- Members of the Construction Industry Federation (CIF)
- Members of the Construction Workers Pension Scheme (CWPS)
Meaning you can count on us for full compliance, safety, and quality at every stage.
