Call Now
Website
Call
Business Details
17 Years
experience
Expert Construction Services in Cardiff
Established in 2009, Gentles Construction has built a reputation for delivering high-quality building solutions across South Wales. Our expertise spans residential and commercial projects, including home extensions, loft conversions, new builds, and landscaping. With over 23 years of industry experience, our team prioritises craftsmanship, client collaboration, and adherence to timelines. We work closely with architects and suppliers to ensure projects meet exacting standards while remaining cost-effective. Our commitment to transparency and client satisfaction has earned us a loyal customer base and numerous referrals. We specialise in transforming spaces to enhance functionality and property value, using premium materials and innovative design.

Fully insured up to 10 million, we provide peace of mind for all projects, from small renovations to large-scale developments. Our focus on quality extends to commercial building, where we manage everything from structural work to project completion. By combining traditional techniques with modern practices, we deliver durable, aesthetically pleasing results tailored to client needs. Our dedication to excellence has positioned us as a trusted partner for both domestic and commercial clients in Cardiff and surrounding areas.
Services
Home Extensions Loft Conversions New Builds Commercial Building Garden Walls & Landscaping
Details
  • Year established: 2009
Highlights and features
  • We have over 23 years of experience in residential and commercial construction.
  • Our certified team ensures high standards of workmanship and client collaboration.
  • We offer free, no-obligation project consultations for all building needs.
  • Fully insured up to 10 million for public liability and project security.
  • We prioritise transparent communication and adherence to project timelines.
What people say
High standard of workmanship Fully insured up to 10m Expert guidance throughout projects Timely project completion Client-focused approach
Services
Home Extensions
We design and build single, double, and multi-storey extensions to enhance living spaces. Our team creates functional layouts for kitchens, bathrooms, and accessible facilities for elderly or disabled family members. Using materials like brick, glass, and timber, we ensure extensions add up to 20% property value while maintaining structural integrity and aesthetic appeal.
Loft Conversions
Transform unused loft spaces into practical living areas with our expert conversions. We handle planning, structural modifications, and finishing touches to create rooms for relaxation, work, or play. Our focus on quality craftsmanship ensures durable, compliant conversions that maximise property potential.
Commercial Building
We deliver commercial projects from small renovations to large-scale developments. Services include structural work, project management, and equipment hire. Our team ensures timely completion of offices, retail spaces, and educational facilities while maintaining cost-effectiveness and adherence to industry standards.
New Builds
Specialising in residential and commercial new builds, we construct properties ranging from homes to student accommodation. Our process includes design consultation, planning permissions, and project management. We blend traditional craftsmanship with modern techniques to create durable, aesthetically pleasing structures tailored to client specifications.
Garden Walls & Landscaping
Our landscaping experts create bespoke garden walls, planting schemes, and architectural features. We focus on enhancing property aesthetics while aligning with client preferences. Services include design consultation, installation of decorative elements, and maintenance of outdoor spaces for both residential and commercial clients.
People
Jason Gentles
Owner & Director
With 23 years in the building industry, Jason founded Gentles Construction in 2009. He has worked with major developers across South Wales, specialising in residential and commercial projects. His expertise in project management and client collaboration ensures high-quality, timely deliveries.
Questions
What areas do you serve?
We operate throughout Cardiff, South Wales, and surrounding areas for residential and commercial projects.
Are you insured for projects?
Yes, we have £10 million public liability insurance for all building works.
How long have you been in business?
Gentles Construction was established in 2009, with the owner having 23 years of industry experience.
What services do you offer?
We specialise in home extensions, loft conversions, new builds, commercial building, and landscaping projects.
Can you handle both residential and commercial work?
Yes, we provide tailored solutions for both domestic and commercial clients across South Wales.
Do you offer free consultations?
We provide free, no-obligation consultations to discuss your project requirements and timelines.