Explore Building Companies Serving Knebworth

Mars Building Group is a Hertfordshire-based construction company specialising in sustainable new builds, passive houses, extensions, and refurbishments. With over 40 years of industry experience, we deliver energy-efficient homes using premium materials and innovative building techniques. Our services include full project management, architectural design collaboration, and sustainable energy solutions tailored to modern living requirements.

Alpine Building Solutions delivers high-quality residential construction services across Hertfordshire. Specialising in extensions, renovations, and new builds, we combine 35+ years of local expertise with a dedication to craftsmanship. Our team ensures transparent communication and reliable project management from planning to completion.