Adept GRP has been designing and manufacturing Adept Enclosures since 2004. As one of the UK’s preferred manufacturers of GRP electrical enclosures, we are a recognised name across the electrical, utilities, and construction sectors trusted by DNOs, contractors, and electrical wholesalers nationwide.
We supply everything from standard roadside cabinets available for next-day dispatch, to fully bespoke, made-to-measure kiosks engineered to your exact specification. When you need Adept Enclosures, you’re in the right place.
Adept Enclosures are GRP (Glass Reinforced Plastic) enclosures, cabinets and kiosks designed to protect electrical equipment from the elements. Robust, virtually maintenance-free, and built to last in excess of 25 years, they are a well-established choice across the UK for housing sensitive electrical infrastructure, from feeder pillars and switchrooms to transformer housings and bespoke plant rooms.
Our enclosures are supplied to electrical wholesalers, DNOs, utilities contractors, and directly to end users across the UK. Whether you need a standard cabinet available for next-day dispatch or a made-to-measure kiosk engineered to your exact specification, Adept GRP has the experience and facilities to deliver.
Our most popular range. Available in sixteen standard sizes, these GRP electrical cabinets are known for their low maintenance, corrosion resistance, and IP54 rating as standard. Stainless steel hinges, a cylinder nightlatch lock, and a backboard are included as standard on all
We have been manufacturing GRP enclosures for over 25 years and operate to an approved quality system throughout. Our ability to hold stock of standard cabinets while also designing and delivering bespoke solutions means we can respond quickly regardless of what your project requires.
Trusted by leading DNOs and contractors across the UK.
Same or next-day dispatch available on standard cabinets, subject to availability.
All Adept Enclosures are designed and manufactured to a documented quality system.
Call us and speak to someone who knows the product — no call centres.
We have answered the most common questions we receive about Adept Enclosures below. If you have any further questions, please don't hesitate to contact us.
Our standard GRP enclosures are designed to meet IP54 as standard. An upgrade to IP65 is available with stainless steel fixings, at an additional cost.
Our GRP cabinets are robust and designed to provide a service life in excess of 25 years with minimal maintenance required — typically just a light clean of the exterior and attention to hinges and locks as moving parts.
Yes. Our standard VR and VN range GRP cabinets can be purchased directly via our online shop. Bespoke and larger units can be specified by contacting our sales team at sales@adeptgrp.co.uk or by calling 01269 843355.
Yes. Our standard range GRP electrical cabinets are purchased regularly by electrical wholesalers throughout the UK.
Standard colours are Green (BS 14-C-39) and Grey (BS 10-A-05). Alternative colours are available from the BS or RAL ranges on request, usually at an additional cost.
Adept GRP Cabinets Ltd is the manufacturer and supplier of GRP enclosures operating from Cwmgwili, Carmarthenshire. We have published a company statement addressing any confusion with a separate company that previously traded as Adept Enclosures.
Our VR range of standard GRP Cabinets, known for their low maintenance and corrosion-resistant properties, has remained a popular choice over the years. Available in sixteen standard sizes, these cabinets, featuring strong panels with secure locks and durable hinges, provide practical, cost-effective protection from the elements.
Adept GRP specialises in designing and manufacturing quality custom-made GRP Enclosures (also known as GRP Kiosks) made to order precisely to meet your requirements. You can specify all the details such as the external size, specification of construction, types of locks, furnishings and hinges, as well as ventilation features and number of doors, ideal for housing sensitive electrical equipment or materials.
Our VRS steel kiosks are crafted from 1.5 or 2mm Zintec steel, offering exceptional weather protection in all weather conditions with IP55 certification and ensuring sound earth continuity. These kiosks are not only durable and secure but also designed to have a substantial life expectancy. With eight standard sizes available from stock or on a short lead time, they provide a reliable and weatherproof solution for various storage and quality security needs.
Get in touch with our team via email for general enquiries, support, or more information about our GRP products.
Speak to a member of our team directly for fast assistance, expert advice, or to discuss your requirements in more detail.
Looking for a custom solution? Submit a bespoke GRP enclosure request and we’ll work with you to design a unit tailored to your exact specifications.
