Karl Swain ✅
Cavity Wall Installer (SGE 154)
Karl is one of our highly skilled and experienced cavity wall installers at Simple Green Energy. With over a decade of hands-on expertise, he brings exceptional knowledge and care to every project.
He specialises in cavity wall insulation, room-in-roof treatments, and damp solutions. Additionally, Karl holds multiple NVQs, reflecting his strong technical background and dedication to quality standards.
Known for his attention to detail and reliable workmanship, Karl ensures each installation is completed with care and precision. His vast experience and problem-solving mindset make him a key member of our team.
Thanks to his efforts, households across the UK benefit from effective, energy-saving upgrades under the GBIS and ECO4 schemes.
"Beyond his extensive experience in cavity wall insulation, Karl brings great energy and enthusiasm to every project. When he's not on-site ensuring homes are well insulated and energy efficient, Karl enjoys spending his free time out on the golf course, riding quads, and planning his next holiday getaway. He’s also a fan of body art and proudly sports several tattoos that reflect his personality and interests. Whether he’s working or unwinding, Karl brings dedication and character to everything he does."
Skills - Karl Swain
Hobbies - Karl Swain




Solar Panel Grant
Homeowners with electric heating in the UK can access government-backed funding to help cover the cost of installing solar panels. Generate your own renewable energy, reduce electricity bills, and enhance your home’s efficiency.
Air Source heat Pump Grant
The UK government is supportive of renewable energy solutions, and air source heat pumps are no exception. Homeowners can take advantage of various grants and incentives aimed at reducing the upfront costs of installing an air source heat pump.
Central Heating Grants
First time central heating grants (FTCH) are available from the government as part of their energy efficiency scheme, Energy Company Obligation 4 (ECO4), which is aimed at reducing fuel poverty throughout the UK.