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Business Details
50+ Years
experience
Your Trusted Construction Partner in Upminster
Coates Builders, established in 1964, is a family-owned construction company rooted in Upminster, Essex. With over half a century of expertise, we specialise in bespoke carpentry, kitchen and bathroom installations, garden offices, decking, loft conversions, and full property refurbishments. Our team of experienced tradespeople prioritises quality craftsmanship, compliance with building regulations, and tailored solutions for residential and commercial clients. Backed by Public and Employers Liability Insurance, we ensure every project is completed with meticulous planning and a commitment to client satisfaction.

Serving Essex and surrounding areas, we combine traditional techniques with modern innovation to deliver durable, aesthetically superior results. Our longevity and retention of skilled staff, some with over 20 years of service, reflect our dedication to reliability and trust. From initial design to final execution, we manage projects seamlessly, offering end-to-end transparency and peace of mind.
Services
Carpentry Garden Offices Kitchens Bathrooms Decking Loft Conversions Refurbishments
Details
  • Year established: 1964
Highlights and features
  • We offer decades of hands-on experience in bespoke construction and renovations.
  • Our skilled, long-term team ensures consistent quality and reliability.
  • We comply with all building regulations and hold full liability insurance.
  • We provide end-to-end project management for seamless execution.
  • We specialise in tailored solutions for both residential and commercial properties.
What people say
Highly recommended Amazing company Efficient and professional Superb finish Thoroughly professional
Services
Carpentry
Our bespoke carpentry services include handmade kitchens, staircases, and furniture, crafted from premium materials. We ensure compliance with building regulations and tailor each project to client specifications. Our skilled carpenters combine traditional techniques with modern design for durable, aesthetically superior results.
Garden Offices
We design and install insulated, fully customisable garden offices ideal for remote work or hobby spaces. Features include secure double-glazed windows, lighting, and electrical fittings. Our structures comply with regulations, eliminating the need for planning permission for smaller units.
Kitchens
From modern to traditional styles, we offer full kitchen design and installation services. Our process includes layout planning, plumbing, electrical work, and finishing touches like flooring and decoration. We ensure minimal disruption while delivering functional, stylish spaces.
Bathrooms
We specialise in bathroom installations and renovations, including wet rooms and accessible washrooms. Our services cover tiling, plumbing, electrical work, and bespoke design elements. We handle waste disposal and ensure compliance with safety standards for a seamless transformation.
Loft Conversions
Transform unused loft space into functional areas like bedrooms or offices. We manage all aspects, from planning permissions to installing dormer windows and staircases. Our conversions include insulation, electrical work, and custom joinery for added value and comfort.
Questions
What areas do Coates Builders serve?
We operate throughout Upminster, Essex, and surrounding regions, providing construction services tailored to local needs.
Do you handle both residential and commercial projects?
Yes, we offer bespoke solutions for homes and businesses, including kitchens, bathrooms, and office spaces.
Are your builders insured?
We hold full Public and Employers Liability Insurance, ensuring coverage for all our work.
How do you manage project timelines?
We provide end-to-end project management, maintaining clear communication and adherence to agreed schedules.
Can you assist with planning permissions?
Yes, we guide clients through the planning process for loft conversions and larger projects.
Do you offer free consultations?
Yes, contact us for a free consultation to discuss your project requirements in detail.