Wall-Lag

Wall-Lag (Wales) Ltd is a family-owned business specialising in renewable energies including Solar PV, Air Source Heat Pumps as well as Battery Storage.

Wall-Lag Wales is a North Wales-based contractor delivering high-quality energy efficiency, property improvement, and compliance solutions for clients across the region. We work with housing providers, local authorities, public sector organisations, and private sector clients to help improve homes, reduce energy consumption, and ensure properties remain safe, comfortable, and fit for purpose.

Our specialist services include the installation of Solar PV systems, Air Source Heat Pumps (ASHPs), domestic boiler replacements and heating upgrades, and smoke alarm installations. We also have extensive experience in the refurbishment and turnaround of void properties, helping landlords and housing providers return homes to a lettable standard efficiently and cost-effectively.

At Wall-Lag Wales, we are committed to delivering projects to the highest standards of quality, safety, and customer service. Alongside our technical expertise, we recognise our responsibility to create a positive impact within the communities we serve. Through our social value initiatives, we support local charities, schools, community groups, and employability programmes, helping to strengthen communities across North Wales while creating lasting social, economic, and environmental benefits.

By combining technical excellence with a strong commitment to social responsibility, Wall-Lag Wales continues to be a trusted partner in improving homes, supporting communities, and contributing to a more sustainable future.