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35 Years
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Expert Construction Services in Westhoughton
Established in 1991, Capitol Builders has built a reputation as a trusted construction partner across Greater Manchester. Our team combines 24 years of collective industry experience with a commitment to quality craftsmanship and client satisfaction. Specialising in domestic and commercial projects, we offer end-to-end solutions from initial design to project completion. Our qualified tradespeople deliver extensions, new builds, and renovations while maintaining strict adherence to timelines and budgets. We prioritise transparent communication, ensuring clients remain informed throughout every phase of their project.

Our portfolio demonstrates expertise in transforming spaces through innovative design and technical precision. With a focus on after-sales support, we address post-completion needs promptly. Recognised for reliability and professionalism, we serve both homeowners and businesses seeking durable, high-standard construction outcomes. Our local knowledge of Westhoughton and surrounding areas enables tailored solutions that meet regional requirements. By maintaining clean workspaces and minimising disruption, we ensure a stress-free experience for all clients.
Services
Extensions New Builds Garage Conversions Loft Conversions Internal Alterations Landscaping Bathroom Installations Kitchen Renovations Window Replacements Property Maintenance
Details
  • Year established: 1991
Highlights and features
  • We have 24 years of combined experience in the building trade
  • Our team consists of fully qualified tradespeople
  • We guarantee competitive rates without compromising quality
  • We provide end-to-end project management services
  • We offer exceptional after-sales support and customer service
What people say
Outstanding professionalism High-quality finishes Stress-free process Excellent communication Competitive pricing
Services
Home Extensions
We design and construct single and double-storey extensions that seamlessly integrate with existing structures. Our process includes planning, structural calculations, and full project management. Clients benefit from increased living space and enhanced property value through our precision-engineered solutions.
Loft Conversions
Transform unused loft space into functional rooms using dormer, hip-to-gable, or room-in-roof designs. We install Velux windows and ensure compliance with building regulations. This service provides cost-effective additional living areas without expanding the property footprint.
Garage Conversions
Convert existing garages into habitable spaces like bedrooms, home offices, or playrooms. Our comprehensive service includes insulation, electrical work, and interior design. This solution maximises property utility while maintaining structural integrity and aesthetic consistency.
Kitchen Installations
We deliver complete kitchen renovations from design to fitting, including plumbing and electrical work. Our approach ensures functional layouts with modern storage solutions. Clients receive tailored designs that balance aesthetics with practical daily use requirements.
Landscaping
Our landscaping services include Indian stone paving, garden walls, and decorative patios. We create low-maintenance, visually appealing outdoor spaces. The service incorporates drainage solutions and durable materials to ensure long-term usability and aesthetic appeal.
People
Tim
Director
With over 25 years in construction, Tim oversees project management and client relations. He ensures all work meets strict quality standards while maintaining open communication with homeowners throughout the building process.
Greg
Director
Greg manages technical operations and on-site execution. His expertise in structural engineering ensures compliance with building regulations. He works closely with tradespeople to maintain high workmanship standards across all projects.
Questions
What areas do you cover?
We operate throughout Greater Manchester, Lancashire, and surrounding areas with particular expertise in Westhoughton and local boroughs.
Do you handle both domestic and commercial projects?
Yes, we provide construction services for residential properties and commercial buildings, adapting our approach to each project's specific requirements.
How do you manage project timelines?
We create detailed schedules during planning and maintain regular progress checks to ensure timely completion without compromising quality standards.
Can you assist with planning permissions?
While we don't submit applications directly, we guide clients through the process and ensure all designs comply with local authority requirements.
What after-sales support do you offer?
We provide post-completion support for any issues arising and offer maintenance services to preserve the longevity of our workmanship.
Are you insured for large projects?
Yes, we maintain comprehensive public liability insurance and provide documentation upon request for client reassurance.
Reviews (3)
Lauren Ivers
Sep 24, 2017 Report
Amazing, amazing, amazing! Your workmanship and professionalism went far beyond what we expected. You ensured that the whole extension ran unbelievably smoothly and was finished to an impeccable standard. We highly recommend Tim and Greg to everybody. Thank you for everything! Lauren and Gregg xx
Darren Eccles
Jan 24, 2016 Report
We are so glad we chose Capitol Building Contractors, they did a fantastic job from start to finish. This was a big job and they managed to build our roof extension within 3 weeks, working flat out in some pretty horrendous weather conditions. They were professional and the finish of the work was such a high standard. They were really approachable and always on hand to answer any questions and give advice. I would definitely recommend them. Thanks again.
Steve Kelleher-Brown
Jan 19, 2015 Report
Greg and Tim did such a good job of my recording studio, that we used them the next month to build our extension/ orangery. Cracking lads, honest, hardworking and definitely worth the extra bacon but ties we gave them