ER3 Group LTD provides a comprehensive start-to-finish service for commercial garden rooms across Worthing and the wider West Sussex region. We specialise in high-specification, insulated buildings designed specifically for professional use, including high-end garden offices, clinical treatment rooms, and creative studios. Unlike standard garden structures, our builds are constructed to rigorous standards, featuring robust groundworks, high-grade cladding, and full electrical integration for a reliable, productive workspace. As a UK registered company, number 16386146, we hold comprehensive public liability insurance to provide total peace of mind for your property investment.