Hill Grwp

About Hill Grwp

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Hill Grwp is a UK-based leader in the design and manufacture of high-quality GRP weatherproof housings, switchgear substations, oil and gas metering solutions and bespoke pre-packaged sprinkler pump rooms. Serving industrial, commercial, and utility sectors, we pride ourselves on delivering durable, innovative, and tailored solutions that meet the highest standards of quality and safety.

Our expert team combines industry knowledge with cutting-edge manufacturing techniques to support projects across the UK and internationally. With a commitment to customer satisfaction and sustainability practices, Hill Grwp is your trusted partner for engineering enclosures and access systems.

TopBox - our cutting-edge, purpose-built roof access system designed to simplify the installation of ductwork, pipework, and cabling with maximum efficiency and safety.

Engineered with strength and compliance in mind, TopBox provides a secure, weatherproof entry point for contractors and maintenance teams. Whether for HVAC, electrical, or mechanical applications, TopBox ensures safe, compliant access while delivering long-term durability in all weather conditions.

GRP Weatherproof Housings and Enclosures.
Our custom industrial GRP enclosures are expertly designed to safeguard sensitive equipment, electrical infrastructure, and mechanical systems from harsh weather conditions and environmental challenges. Built to last, these prefabricated utility enclosures UK provide reliable, low-maintenance protection to keep your operations running smoothly, no matter the environment.

Pre-Packaged Sprinkler Pump rooms - Compliant Fire Protection You Can Trust.
Our pre-packaged sprinkler pump rooms provide reliable, ready-to-install fire protection solutions designed to meet the stringent demands of commercial and domestic properties across the UK. Manufactured using durable GRP housing and engineered to comply fully with the latest UK fire safety regulations, our pump rooms deliver peace of mind and superior performance when it matters most.