Business Details
50+ Years
experience
Trusted Construction Contractors in Chelmsford
At J J Sullivan Building Contractors, we take immense pride in being a family-run business with a rich heritage in the building and carpentry industry. With over five decades of experience, we have established a reputation for delivering exceptional craftsmanship across both domestic and commercial projects. Based in Chelmsford, Essex, our team is dedicated to excellence, treating every project with personal care and attention to detail. We specialise in bespoke solutions, from barn conversions and oak frame buildings to extensions and commercial refurbishments, ensuring compliance with current building regulations. Our commitment to quality is reflected in our portfolio of successful projects, where precision and reliability are paramount. We value client relationships, responding to all inquiries within one working day, and strive to bring each client's vision to life with professionalism and integrity.Our decades of expertise enable us to tackle complex challenges, such as non-standard constructions and stringent council guidelines, with confidence and skill. The testimonials from our satisfied clients, including homeowners and business owners, attest to our dedication to creating warm, welcoming spaces that exceed expectations. We approach every task as if it were our own home, ensuring a seamless experience from start to finish. With a focus on continuous improvement and client satisfaction, we remain committed to maintaining the highest standards of craftsmanship and service.
Services
Barn Conversions
Oak Frame Buildings
Extensions
Commercial Refurbishments
Cart Lodges
Loft Conversions
Driveways
Garden Rooms
Stables
Roofing
Details
- Year established: 1975
Highlights and features
- We have over 50 years of experience in building and carpentry.
- Our team treats every project with personal care and attention.
- Our work complies fully with current building regulations.
- We respond to all calls and emails within one working day.
- We specialise in complex projects requiring bespoke solutions.
What people say
Professional, tidy and courteous
Exceeded our expectations
Hard working, helpful and polite
Outstanding quality of work
Treated the project as their own home
Services
Barn Conversions
Transforming historic barns into modern living or commercial spaces while preserving structural integrity. Our team handles non-standard constructions and council guidelines with expertise. Clients benefit from tailored solutions that blend traditional craftsmanship with contemporary design.
Oak Frame Buildings
Crafting bespoke oak frame buildings including homes, cart lodges, and garden rooms. We combine traditional joinery techniques with modern engineering to create durable, aesthetically pleasing structures that meet individual client specifications.
Extensions
Designing and building residential and commercial extensions that seamlessly integrate with existing properties. With over 30 years of experience, we ensure minimal disruption while delivering functional, high-quality expansions that enhance property value.
Commercial Refurbishments
Upgrading commercial spaces to meet modern standards while maintaining operational continuity. Our team specialises in complex projects requiring compliance with strict regulations and minimal downtime for businesses.
Cart Lodges
Constructing premium oak cart lodges tailored to client requirements. These structures combine practicality with visual appeal, offering durable storage solutions for vehicles or equipment while complementing property aesthetics.
People
John Sullivan
Director
With over 50 years in the industry, John leads projects with expertise in complex carpentry and construction. He ensures every build meets exacting standards while maintaining client-focused communication throughout the process.
Michael Sullivan
Project Manager
Michael oversees daily operations and project execution, combining technical skill with client relationship management. His 30+ years of experience ensures efficient delivery of high-quality building solutions tailored to client needs.
Questions
What areas do you serve?
We are based in Chelmsford, Essex, and serve the surrounding areas for all our building and carpentry projects.
What types of projects do you specialise in?
We specialise in barn conversions, oak frame buildings, extensions, commercial refurbishments, cart lodges, and bespoke carpentry work.
Are you a family-run business?
Yes, we are a family-run business with over 50 years of combined experience in the building and carpentry industry.
How do you ensure quality in your work?
Our work complies with current building regulations, and we maintain rigorous standards through careful planning and attention to detail.
How quickly do you respond to client inquiries?
We aim to respond to all calls and emails within one working day to ensure timely communication with our clients.
