Modular buildings provide a faster, more cost-effective solution than traditional masonry construction. They combine all the durability and comfort of a permanent structure with the flexibility to relocate, reconfigure, or expand as needs change. From offices and sales suites to classrooms and hospitality units, these buildings are designed for modern performance with quick installation and long-term reliability.
Each unit is built with high-quality materials and engineered to meet strict safety and energy-efficiency standards, delivering a professional finish that stands the test of time. Modular buildings cater to a wide range of industries and budgets, offering practical, versatile spaces that balance affordability, flexibility, and lasting value. From single offices to multi-storey complexes, they are a smart investment for businesses looking for dependable, modern accommodation.
We supply modular buildings across the UK, designed to deliver strength, flexibility, and long-term value. Our new units are built on-site to the highest standards, combining durability with modern design features.
For businesses working to tighter budgets, our used and refurbished units provide dependable, cost-effective alternatives without compromising on performance. From compact sales suites to large multi-storey offices, every building is supported by expert advice, professional installation, and a commitment to customer satisfaction.
JCPSA offers a diverse range of modular buildings, including high-spec new units and quality used options, to meet various needs and budgets. We also specialise in producing bespoke designs, working closely with clients to create their ideal structures.
Our new modular buildings are manufactured on-site by our skilled team, ensuring exceptional build quality from start to finish. With a 6–8 week turnaround, we deliver modern workspaces, sales suites, and hospitality units ready for immediate use across the UK.
Each building is designed with durable frames, strong insulation, and high-performance finishes, offering the same comfort as traditional construction with the added benefit of flexibility. Units can be expanded, connected, or relocated to suit the growth of your business.
Investing in a modular building provides a long-term solution that balances speed, quality, and adaptability — making it the smart choice for companies needing reliable, professional spaces without construction delays.
Our used modular buildings offer cost-effective, ready-to-use solutions for offices, classrooms, canteens, sales suites, and more. We stock both refurbished and standard units, giving you flexible options to suit different budgets and requirements. Each building is inspected for quality, ensuring dependable performance.
With over a decade of experience, we provide honest advice about the condition of every unit, helping you choose the right solution with confidence.
Bespoke modular buildings offer complete flexibility, designed around your exact requirements. Whether you need a retail unit, barbershop, office space, classroom, or a specialist facility, our team works closely with you to bring your vision to life. Every bespoke unit is fully manufactured on-site, ensuring high build quality, modern finishes, and long-term durability.
From concept to completion, we deliver cost-effective, customised modular solutions that adapt perfectly to your space and purpose.
Modular construction offers more than speed and affordability — it’s a smarter way to build.
Manufactured off-site, modules are delivered ready for rapid installation, keeping disruption to a minimum. Each building is produced with consistent quality, insulation, and fittings, providing the performance of a permanent structure in a fraction of the time.
This method brings a range of advantages. Projects can be completed far quicker, with installation often taking weeks instead of months, while predictable costs and reduced labour requirements help keep budgets under control. Modular buildings are also a sustainable choice, generating less waste and offering improved energy efficiency. Their flexible nature means they can be reconfigured, extended, or relocated with ease, adapting as needs change.
Built with robust materials and modern design standards, these units are durable and require minimal maintenance, ensuring long-term performance. With these qualities combined, modular construction proves ideal for offices, classrooms, hospitality facilities, and larger commercial developments, delivering lasting value alongside modern efficiency.
JCPSA are modular building specialists, offering quality used models and producing our own high specification units, focusing on a high level of quality throughout. Our team are also friendly and upfront, giving honest advice and recommendations to each customer.
Unlike many of our competitors, we produce every aspect of our new and bespoke buildings on-site, including the frames. Our years of experience selling used and refurbished buildings gave us a clear idea of what makes an excellent building.
Since we began producing our own buildings, we have made substantial investments in technology, such as buying a CNC aluminium composite processing machine to create beautiful and sturdy bespoke panelling and offering polyurea roof spray coating, designed to provide long-term performance. We also prioritise safety within all of our buildings, showcased by our CHAS (Contractors Health and Safety) accreditation.
Our design expertise, skilled team, and technological investments allow us to produce modular buildings at a superior level of quality, while still maintaining a competitive price point.
Excellent customer service is at the core of our company ethos. Whether visiting our site in Chichester or speaking with a member of our team online, we pride ourselves on our honesty and friendliness. We truly understand the excellent range of products we sell, allowing us to work with you to find the perfect modular building for your needs and your budget.
This approach has earned us the trust and loyalty of our customers, as demonstrated by our stellar Trustpilot reviews. When you work with JCPSA our team can handle the entire process from supplying, delivering and installing your building to ensure long-term performance.
Our on-site production process allows us to retain a competitive price point for our new modular buildings despite their superior quality. Selling a range of used buildings further allows us to cater to the varying budgets of our customers. In addition, we have a financing scheme available for new and used buildings, helping to make our buildings a viable investment for any customer.
We supply modular buildings designed for offices, sales suites, hospitality spaces, and more — available new, used, or fully bespoke. With fast delivery, competitive pricing, and UK-wide installation, we make it simple to get the space you need without delay.
Every unit is manufactured or refurbished to the highest standards, ensuring durability, comfort, and long-term value.
We promise to respect your privacy. Providing the above data is necessary for quotation purposes. By sending your message you voluntarily provide your personal data which will be used for further communication purposes including sending the quotation and offers. We will not share your data with anyone else. You can always manage your data or ask us to remove it completely by opting-out from further correspondence.