Business Details
Expert Construction Contractors in Chelmsford, Essex
At JJ Sullivan & Son, we take great pride in being a family-run business with a strong heritage in the building and carpentry industry. With over 50 years of experience, we have built a reputation for delivering high-quality workmanship across both domestic and commercial projects. Based in Essex and serving the surrounding areas, our team is committed to excellence in every aspect of our work. We understand that every project is unique, and we take personal ownership to ensure that each one meets the highest standards of quality and craftsmanship. Whether it's a small renovation or a large-scale construction, our expertise ensures precision, reliability, and a seamless experience from start to finish.Our decades of experience in building and carpentry are backed by a portfolio of successful projects, and we treat every project with personal care, ensuring attention to detail and superior results. Our work is fully compliant with current building regulations, guaranteeing safety and durability. We value our clients' time and endeavour to respond to all calls and emails within one working day. At JJ Sullivan & Son, we are dedicated to bringing your vision to life with professionalism, integrity, and the craftsmanship that only decades of experience can provide.
Services
Barn Conversions
Oak Cart Lodges
Extensions
Roofing
Loft Conversions
Driveways
Garage Conversions
Garden Rooms
Stables
Conservatories
Highlights and features
- Over 50 years of expertise in building and carpentry projects.
- Family-run business ensuring personal care and attention to detail.
- Work complies fully with current building regulations.
- Responsive service with client inquiries addressed within one working day.
- Proven track record in complex, non-standard construction projects.
What people say
Professional, tidy and courteous
Exceeded our expectations
Highly recommended
Pleasure to have around
Outstanding quality
Services
Barn Conversions
Specialist barn conversions for residential and commercial use, combining traditional craftsmanship with modern design. We handle non-standard constructions, using existing and new timber frame work while adhering to local council guidelines. Our team ensures structural integrity and aesthetic appeal, creating functional spaces tailored to client needs.
Oak Cart Lodges
Custom-built oak cart lodges in standard or bespoke designs, available in any shape or size. Our lodges combine durability with timeless aesthetics, using premium-quality oak. We offer full project management from design to completion, ensuring seamless integration with existing properties and landscapes.
Extensions
Tailored extensions for residential and commercial properties, with over 30 years of experience. We deliver structurally sound additions that enhance property functionality while maintaining architectural harmony. Services include design consultation, groundwork, and finishing touches to meet client specifications.
Roofing
Comprehensive roofing solutions including flat, pitched, and hand-cut roofs with finishes like slate, tiles, or cedar shingles. Our team addresses repairs, replacements, and new installations, ensuring weatherproofing and longevity. We use high-quality materials and traditional techniques for optimal performance.
Garden Rooms
Custom garden rooms and summer houses manufactured off-site for quick installation. Designed to blend with outdoor environments, these spaces serve as offices, leisure areas, or guest accommodations. We handle all aspects from foundations to insulation and finishing.
People
John Sullivan
Director
John Sullivan leads complex projects with over 50 years of industry experience. He specialises in non-standard constructions, offering practical solutions for challenging builds. His attention to detail ensures client satisfaction, treating every project as if it were his own.
Michael Sullivan
Project Manager
Michael Sullivan oversees daily operations and client coordination. With extensive hands-on experience, he ensures projects run smoothly from start to finish. His focus on communication and quality control has earned repeat business and referrals from satisfied clients.
Questions
What areas do you serve?
We operate primarily in Essex, including Chelmsford, Sandon, and Great Dunmow, with projects extending to Kent, Epping, and Little Baddow.
What types of projects do you specialise in?
We specialise in barn conversions, oak cart lodges, extensions, roofing, garden rooms, and bespoke carpentry projects for residential and commercial clients.
How long has your business been operating?
Our family-run business has over 50 years of combined experience in construction and carpentry, with third-generation expertise in the field.
Are your services compliant with building regulations?
Yes, all our work meets current building regulations and standards, ensuring safety, durability, and approval from local authorities.
How do you handle project timelines and communication?
We prioritise organisation and punctuality, providing regular updates. Client inquiries are addressed within one working day to maintain clear communication.
