Business Details
50+ Years
experience
Your Trusted Construction Partner in Upminster, Essex
Established in 1964 by brothers Alan, Stan, and Dave Coates, our company has built an exceptional reputation for quality craftsmanship and reliable service across Upminster and the wider Essex region. With decades of expertise in construction and development, we specialise in bespoke carpentry, kitchen and bathroom installations, garden offices, loft conversions, and comprehensive refurbishment projects. Our team retains many original staff members with over 20 years of experience, ensuring continuity and deep local knowledge.We pride ourselves on managing projects from start to finish, liaising with tradespeople to guarantee seamless execution. Holding full Public and Employers Liability Insurance, we deliver first-class results compliant with all building regulations, supported by glowing client testimonials and repeat custom.
Services
Carpentry
Garden Offices
Kitchens
Refurbishments
Decking
Bathrooms
Loft Conversions
Details
- Year established: 1964
Highlights and features
- We offer over 50 years of combined experience in bespoke construction and carpentry.
- Our family-run business retains staff with over 20 years of tenure for continuity.
- We manage projects from start to finish, liaising with all trades on your behalf.
- We hold full Public and Employers Liability Insurance for complete peace of mind.
- Our work complies with all building regulations and comes with a guarantee.
What people say
Thoroughly professional approach
Fantastic contractors
Highly recommended
Excellent work
Transformed our garden
Services
Carpentry
Our bespoke carpentry services include handmade kitchens, garden offices, staircases, and custom joinery. Using premium materials, we create durable, aesthetically pleasing solutions tailored to your specifications. Our craftsmen ensure precision in every detail, from initial design to installation, complying with all building regulations for safety and longevity.
Garden Offices
Handcrafted garden offices provide functional home workspaces with insulation, electrical installations, and maintenance-free designs. We offer pitched or flat roofs, double-glazed windows, and optional decking to create a comfortable, energy-efficient extension tailored to your garden layout and needs.
Kitchen Installations
We design and install modern, contemporary, or traditional kitchens with full project management. Services include layout planning, plumbing, electrical work, tiling, and flooring, ensuring minimal disruption while delivering high-quality, value-adding results tailored to your lifestyle and preferences.
Bathroom Renovations
From complete bathroom installations to wet rooms and disabled-friendly washrooms, we handle all aspects including plumbing, tiling, and electrical work. Our team creates functional, stylish spaces with bespoke solutions for awkward layouts and specific accessibility requirements.
Loft Conversions
We transform unused loft space into habitable rooms with dormer or Velux windows, new flooring, and bespoke staircases. Our full-service approach includes planning guidance, scaffolding, and compliance with building regulations to maximise your propertys value and usability.
People
Carl
Team Leader
Carl leads our experienced team with over 20 years of service, managing projects from initial design to completion while maintaining strong client relationships and ensuring quality standards.
Simon
Senior Carpenter
Simon, with over two decades at Coates Builders, specialises in bespoke carpentry and joinery, delivering precision craftsmanship across kitchens, garden offices, and structural projects.
Adam
Carpenter
Adam contributes his expertise in carpentry and renovation projects, ensuring meticulous attention to detail and adherence to project timelines and specifications.
Questions
What services does Coates Builders offer?
We specialise in carpentry, kitchen and bathroom installations, garden offices, loft conversions, decking, and property refurbishments across Upminster and Essex.
Are your builders qualified and insured?
Yes, our team includes experienced tradespeople with full Public and Employers Liability Insurance for all projects.
Do you handle planning permissions for garden offices?
We advise on requirements; garden offices under 15M² typically don’t need planning permission, but we’ll guide you through regulations.
Can you manage large-scale refurbishments?
Yes, we oversee complete property renovations from initial design to final execution, ensuring compliance with local building standards.
How long does a loft conversion take?
Timelines vary by complexity, but we provide detailed schedules and manage all aspects from scaffolding to final fittings.
Do you offer free consultations?
Yes, contact us for a free consultation to discuss your project requirements and receive expert advice.
