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Business Details
22 Years
experience
Bespoke Garden Buildings in Gosport
CS-GardenOffices is a family-run business established over two decades ago, dedicated to crafting bespoke garden buildings tailored to individual needs. Founded by William Galloway and now led by Graeme Galloway and his grandson Ralph Forbes, we prioritise quality and customer satisfaction without the overheads of large showrooms or sales teams. Our unique insulated modular panel system ensures rapid installation, often completed in as little as five hours, with no mess or stress for clients. Every structure is fully insulated, requires zero maintenance, and is designed to provide year-round comfort. With over 30 years of industry experience from Graeme and a decade from Ralph, we combine generational expertise with a personal touch, ensuring every project reflects our clients' vision and budget.

Our team takes pride in delivering high-quality materials and craftsmanship, supported by a commitment to transparency and no hidden fees. We specialise in garden offices, rooms, and garages, offering flexible financing options through Pegasus Finance to make dream projects accessible. Customer testimonials highlight our reliability, professionalism, and the exceptional value of our products, which outperform traditional timber structures. From initial consultation to final installation, we maintain open communication, ensuring clients feel informed and confident throughout the process. Our dedication to innovation and client-centric service has earned us a reputation as a trusted leader in the garden building sector, serving Hampshire and surrounding areas.
Services
Garden Offices Garden Rooms Garages Ground Screws Exterior Finishes Interior Finishes
Details
  • Year established: 2004
Highlights and features
  • We are a family-run business with over 30 years of combined industry experience.
  • Our rapid installation process completes projects in as little as 5 hours.
  • We use high-quality, fully insulated materials requiring zero maintenance.
  • No sales teams or showrooms ensure cost savings are passed directly to clients.
  • Flexible financing options available through Pegasus Finance.
What people say
Excellent to deal with Highly recommend Fantastic product Quick and efficient Solidly constructed
Services
Garden Offices
Our garden offices provide a peaceful, insulated workspace with rapid installation. Designed for productivity, they require no planning permission and feature durable, low-maintenance materials. Ideal for remote workers seeking a dedicated, weatherproof environment.
Garden Rooms
Custom garden rooms serve as relaxation spaces or entertainment hubs. Fully insulated and available in multiple finishes, they offer year-round comfort. Installation is swift, with no disruption to your property.
Garages
Durable, insulated garages protect vehicles and tools with remote electric roller doors. Constructed from maintenance-free materials, they ensure security and longevity. Installation is completed efficiently with minimal site impact.
People
Graeme Galloway
Director
With over 30 years in the industry, Graeme oversees quality and project integrity. His expertise ensures every build meets exacting standards, combining traditional craftsmanship with modern efficiency.
Ralph Forbes
Director
Ralph manages client consultations and installations, leveraging 10 years of experience. He ensures projects align with client visions, maintaining clear communication from design to completion.
Questions
How long does installation take?
Most projects complete in 5 hours to 1.5 days, depending on size and complexity.
Do I need planning permission?
Our buildings typically require no planning permission due to permitted development rights.
Are the structures insulated?
Yes, all buildings include high-quality insulation for year-round comfort.
Can I finance my project?
Flexible financing options are available through Pegasus Finance for approved applicants.
What areas do you serve?
We operate across Hampshire and surrounding regions, including Gosport and Fareham.