Business Details
37 Years
experience
Your Trusted Construction Partner in Preston
Established in 1989, we are a family-run construction and joinery business serving domestic and commercial clients across the North West. Our team combines over three decades of hands-on experience with a commitment to quality craftsmanship, delivering tailored building solutions from contemporary new builds to heritage restoration projects. We collaborate closely with architects, engineers, and local authorities to ensure every project meets exacting standards while adhering to budgets and timelines. Our reputation is built on honesty, reliability, and a client-focused approach, supported by comprehensive insurance and job-specific health and safety protocols. With expertise spanning structural steelwork, loft conversions, extensions, and bespoke design, we provide end-to-end project management from initial concept to completion.Our skilled workforce includes certified subcontractors in electrical, heating, painting, and flooring disciplines, ensuring seamless execution of complex builds. We prioritise transparency in communication and costings, offering expert guidance throughout each project lifecycle. Our portfolio demonstrates successful delivery of residential, commercial, and heritage projects, including a notable transformation of a 1950s semi-detached home into a contemporary space with integrated gym and steam room. As active members of the construction community, we maintain industry-standard practices while embracing innovative techniques to meet evolving client needs. Our dedication to excellence has fostered long-term relationships with both private homeowners and commercial enterprises across Lancashire and beyond.
Services
New Builds
Loft Conversions
Extensions
Heritage Projects
Commercial Builds
Structural Steelwork
Project Management
Design Services
Refurbishments
Roofing
Details
- Year established: 1989
Highlights and features
- We have over 30 years of experience in construction and joinery
- Our team collaborates with architects and building surveyors
- We meet exacting client requirements across project sizes
- We maintain job-specific health and safety protocols
- Our certified subcontractors cover all specialist disciplines
What people say
Exacting requirements met
Contemporary interior design
Project managed from start
Highest standards achieved
Dedicated team
Services
New Builds
We deliver bespoke new build projects tailored to client specifications, combining modern design with traditional craftsmanship. Our process includes architectural collaboration, structural engineering coordination, and full project management. Clients benefit from our 30+ years of experience in creating energy-efficient, compliant residential and commercial properties across the North West.
Loft Conversions
Transforming underutilised loft spaces into functional rooms while maintaining structural integrity. Our conversions incorporate building regulations compliance, insulation upgrades, and custom interior design. We handle all aspects from initial planning to final fittings, ensuring seamless integration with existing property architecture.
Heritage Projects
Specialist restoration and adaptation of period buildings using traditional techniques and materials. We work closely with conservation officers to preserve architectural character while implementing modern improvements. Services include timber restoration, period-appropriate joinery, and sympathetic structural modifications.
Project Management
Comprehensive project management covering design development, contractor coordination, and regulatory compliance. Our approach ensures timely delivery within budget through rigorous planning and quality control. We act as single-point contact for clients, streamlining communication between architects, engineers, and tradespeople.
Structural Steelwork
Design and installation of structural steel components for residential and commercial projects. We handle load-bearing structures, beam integration, and complex framework requirements. Our steelwork solutions enable open-plan designs while maintaining building stability and safety standards.
People
Mark Sergeant
Director
With over 30 years in the construction industry, Mark leads projects ensuring quality and client satisfaction. He oversees operations from initial consultation to project completion, maintaining the company's reputation for excellence.
Questions
What areas do you cover?
We operate across the North West, including Preston, Lancashire, and surrounding regions for both domestic and commercial projects.
How long have you been in business?
Mark Sergeant Ltd has been delivering construction solutions since 1989, with over 30 years of combined experience in the industry.
What building services do you offer?
Our services include new builds, loft conversions, extensions, heritage restoration, structural steelwork, and full project management.
Are you insured for projects?
Yes, we maintain comprehensive insurance coverage and implement job-specific health and safety programmes for all projects.
Can you handle both residential and commercial work?
We provide tailored solutions for both private homeowners and commercial clients, adapting our expertise to different project requirements.
How do you ensure project quality?
Through rigorous planning, collaboration with qualified professionals, and regular quality checks throughout the construction process.
Reviews (1)
Andrew Jones
Jul 31, 2020
Report
As Penwortham Chartered Building Surveyors we have found Mark and his Company provide reliable sound building services for our clients and ourselves on occasion. We have no hesitation in recommending the Company and indeed we do often. Sound, professional, reliable and trustworthy.
Andy Jones FRICS
Andy Jones FRICS
