About CJ Groundworks
At CJ Groundworks, we’ve been delivering professional, reliable groundworks services across Sussex, East Sussex, Surrey, and Kent for over 35 years.
As a family-run business, we’re proud of our hands-on approach, commitment to quality, and reputation for friendly, down-to-earth service.
/Our Story
CJ Groundworks
Founded by Chris Johnson, the company has grown from a local operation into a trusted regional contractor, known for its expertise in:
Whether you’re a homeowner planning a renovation or a developer managing multiple plots, we offer the same high standards and personal service every time.
/ Our Mission
What Makes Us Different
Direct, In-House Service
No middlemen. No subcontractors. Just our experienced team on every job — fully insured, fully accountable, and fully focused on your project.
Honest Advice
We won’t upsell you. We won’t pressure you. We’ll simply assess what’s needed, explain your options, and deliver the best solution at a fair price.
Workmanship That Lasts
Every trench, pipe, base and foundation we install is designed to last. That’s why we back all our work with a 2-year workmanship guarantee.
Fully Compliant & Insured
All work is carried out to UK Building Regulations and Environment Agency standards. We hold full public liability insurance for your peace of mind.
/Meet the Owner
Chris Johnson
Chris has worked in the construction and groundworks trade since the 1980s. With a background in civil engineering and site management, he brings practical know-how, problem-solving skills and a strong work ethic to every project.
His motto: “Treat every site like it’s your own.”
This mindset is at the heart of CJ Groundworks and is why so many clients come back to us — or recommend us to others.
/Our Clients
Who We Work With
We regularly work with:
- Homeowners (extensions, driveways, septic tanks)
- Self-builders (from foundation to finish)
- Developers (multi-plot drainage & prep)
- Rural property owners (barn conversions, equestrian sites)
- Commercial clients (concrete bases, new connections, compliance surveys)
From single-day jobs to full groundwork packages, we tailor every project to your timeline, budget and vision.
/ Our Area
Locations We Cover
We’re proud to be based near Horsham, with easy access to:
- Cranleigh
- Midhurst
- Petworth
- Pulborough
- All surrounding areas in Sussex, Surrey, and Kent
Get in Touch
/Our Contact
Ready to break ground?
Get in touch with CJ Groundworks today to discuss your project and receive a free, no-obligation quotation. Our team is here to answer your questions and provide expert advice tailored to your needs.
Address
CJ Groundworks, Lower Batchelors, Emms Lane, Barns Green, West Sussex, RH13 0QH.
/Our Testimonials
What clients say about us
/ From the blog
Latest Articles
Sewage Treatment Systems for Homes Explained
Sewage treatment systems are an advanced solution for managing wastewater in properties that are not connected to the mains sewer network. Unlike simpler systems, they treat waste to a much higher standard, making them suitable for a wide range of domestic and commercial applications. Understanding how sewage treatment systems work
Septic Tank Installation Costs and Regulations Explained
Septic tank installation is a common solution for properties that are not connected to the mains sewer network. While it provides an effective way to manage wastewater, it is essential to understand both the costs involved and the regulations that apply in the UK. Planning properly from the outset ensures
House Extension: Planning Foundations and Drainage
A house extension can add valuable space and improve how your home functions, but the success of any extension depends heavily on the groundwork beneath it. Foundations and drainage are two of the most critical elements, and getting them right from the start prevents costly issues later. Understanding how these