GRP & Steel Weatherproof Housings and Enclosures
Built to Withstand the Elements
Reliable, durable, and built for real-world conditions, our GRP and steel housings provide secure environments for electrical, mechanical, and process equipment across a wide range of industries.
From compact control kiosks to large walk-in enclosures, every unit is designed around your project requirements. Whether you need a standalone housing or a fully integrated package with base, platform, and internal fit-out, we deliver a complete solution from design through to installation.
Built for Performance in Demanding Environments
Our enclosures are engineered to perform in harsh external and industrial environments where protection, durability, and long-term reliability are critical.
Each unit is manufactured using high-quality materials and proven construction methods to ensure consistent performance across all applications.
Key Features:
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Weatherproof construction (IP-rated designs available)
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Corrosion-resistant GRP or steel options
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Long service life with minimal maintenance
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Secure access with industrial locking systems
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Designed for external applications
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Suitable for utilities, industrial, and infrastructure projects
GRP and Steel Options to Suit Your Application
GRP Housings
Glass Reinforced Plastic (GRP) enclosures offer a lightweight, non-corrosive solution ideal for utilities, telecoms, and harsh outdoor environments.
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Naturally resistant to corrosion, moisture, and chemicals
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Maintenance-free finish with long lifespan
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Electrically non-conductive
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Available in gloss or textured finishes
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Suitable for coastal and aggressive environments
Steel Housings
Steel enclosures provide a robust, high-strength solution for more demanding or security-focused applications.
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Hot-dip galvanised or C5 painted finishes available
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High structural strength and durability
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Suitable for industrial and heavy-duty environments
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Can be insulated, lined, or acoustically treated
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Ideal for plant equipment, switchgear, and control systems
Fully Bespoke Sizes and Configurations
Every housing is manufactured to suit your exact project requirements.
We supply:
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Compact kiosks for control panels and metering
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Medium enclosures for electrical and process equipment
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Large walk-in housings for plant rooms and infrastructure
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Modular or split units for restricted access sites
There are no fixed size limitations - all units are designed around your layout, equipment, and access requirements.
Complete Package Solutions
We don’t just supply enclosures — we deliver complete, ready-to-install packages.
Available Options Include:
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Hot-dip galvanised or C5 painted
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Designed to suit structural and lifting requirements
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Integrated openings for services and drainage
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Can be supplied as part of a full enclosure system
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External steel platforms and steps
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Fully bespoke to suit site conditions
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Designed for safe and compliant access
Internal Fit-Out
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Backboards and mounting systems
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Cable management and containment
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Electrical integration (lighting, power, heaters)
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Ventilation systems (natural or forced)
Designed Around Your Equipment
Our housings are built to accommodate your internal equipment and installation requirements.
Typical applications include:
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Electrical distribution and switchgear
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Pump systems and mechanical equipment
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Metering and monitoring systems
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Telecoms and data infrastructure
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Industrial control systems
We coordinate structure, access, ventilation, and services to ensure everything works as one complete system.
Finishes and Customisation
All housings can be tailored to meet both functional and aesthetic requirements.
Available Options:
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Wide range of RAL colours
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Smooth or textured GRP finishes
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Anti-vandal and heavy-duty constructions
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Louvre vents and ventilation systems
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Insulation and acoustic lining
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Multiple door configurations
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High-security locking systems
Every detail is configurable to suit your specification.
From Design to Installation
We support your project at every stage:
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Initial concept and layout design
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Technical drawings and approvals
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Manufacturing and quality control
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Delivery (complete or sectional)
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Installation support or full installation
This approach reduces coordination, speeds up installation, and ensures consistent quality across every project.
Why Choose Hill Grwp?
With extensive experience in GRP and steel enclosure solutions, we understand the demands of modern infrastructure and industrial projects.
What Sets Us Apart:
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Fully bespoke designs, no off-the-shelf limitations
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Complete package capability (housing, base, access, fit-out)
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Proven experience across utilities, industrial, and infrastructure sectors
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Focus on practical, buildable, and install-ready solutions
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End-to-end delivery from design through to installation
Contact us
+44 1792 899177
Frequently Asked Questions (FAQs)
Can housings be fully bespoke?
Yes. Every enclosure is designed around your exact project requirements, including size, layout, and specification.
What materials are available?
We offer both GRP and steel housings, depending on the application and environment.
Do you supply complete packages?
Yes. We can supply the enclosure with steel base, access platform, and full internal fit-out.
What sizes are available?
All sizes are available, from small kiosks to large walk-in enclosures.
Can units be split for difficult access?
Yes. We regularly design modular or sectional units for restricted sites.
Do you provide drawings and technical support?
Yes. We provide full design support, including drawings and project coordination.
What finishes are available?
A wide range of colours and finishes are available, including textured GRP, gloss coatings and steel options.
Do you provide ventilation systems?
Yes. Both natural and forced ventilation systems can be integrated into the design.
What is the typical lead time?
Lead times vary depending on size and complexity. Contact us to discuss your project.
