3 Best Chimney Sweeps in Gwynedd, UK

“2025 Update: Glanhau Simdda D.W.T Chimney Sweep is a family chimney sweeping business covering Anglesey, Gwynedd, and Conwy. Dion runs the company. He has over 10 years of experience in the firewood industry and possesses extensive knowledge of the proper fuel types and burning conditions needed to achieve optimal heat efficiency from log burners and fireplaces. He is fully trained, qualified, and insured, staying up to date with the latest industry standards and best practices. Glanhau Simdda D.W.T Chimney Sweep is a Member of the National Association of Chimney Sweeps (NACS) and the Stove Industry Association (SIA). They offer an emergency call-out service.”

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“Insulaflue is a family-operated business that has over 30 years of experience within the industry. Their team has earned a stellar reputation for delivering rapid, hygienic, and efficient chimney services. Their HETAS-registered installers have established a highly esteemed reputation for their superior workmanship. Insulaflue offers a guarantee on all their work, assuring improved chimney performance. They are also equipped to conduct pressure chimney testing and furnish a chimney certificate to prove your chimney or appliance's condition. Insulaflue has a diverse clientele, including notable entities such as the National Trust, estate, numerous council areas such as Denbigh and Gwynedd, and private residences. They also offer free, no-obligation quotations.”

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