CT4 Construction is a Gauteng-based building contractor specialising in residential construction, renovations, additions, and turnkey solar installations across Gauteng, and surrounding areas.
CT4 Construction delivers professional building and solar solutions for homeowners and businesses in Gauteng. As an NHBRC registered construction company, we focus on quality workmanship, transparent pricing, compliance, and reliable project delivery from start to finish.
We do not just build structures; we manage complete construction projects with planning, precision, and accountability. Our team brings decades of experience to every site, helping clients navigate residential building, home extensions, and renovation work with confidence.
From the first site visit to the final engineering sign-off, you have direct access to our leadership. No unnecessary middlemen. No vague timelines. Just structured project delivery and quality workmanship.
We provide detailed cost analysis for every project. From structural requirements to final finishes, we make sure you understand where every Rand is going before construction begins.
We believe in building more than structures. We source manual labour from surrounding communities to help ensure project value contributes to local economic growth.
As an NHBRC registered construction company, we work closely with consulting engineers and provide the required documentation and certification for safety, compliance, and peace of mind.
With over two decades of specialised experience, we manage the technical complexity of new dwellings, structural additions, luxury renovations, and general building work. Our NHBRC registered teams ensure every project adheres to South African building standards from the first blueprint to final handover.
We focus on a one-on-one process that makes the building journey easier, clearer, and more predictable for every client. Learn more about our construction, renovation, and solar services in Gauteng
Discover Our Construction History →
We provide full-scale residential and commercial solar installations across Gauteng. Our turnkey approach includes system design, inverter installation, lithium battery solutions, solar panel mounting, and full Certificate of Compliance requirements where applicable.
We do not just install panels. We help design practical solar systems that support long-term performance, energy efficiency, and investment protection.
Explore Our Solar Options →Yes. CT4 Construction is NHBRC registered, and we follow local building regulations for qualifying residential work. We also explain what approvals, inspections, and compliance documents apply before your project starts.
We work across Gauteng, including Johannesburg, Pretoria, Centurion, Midrand, and nearby suburbs. If your property is outside these areas, contact us and we can confirm travel and site availability.
Yes. Our turnkey solar service includes site assessment, system sizing, panel and inverter installation, battery backup setup, and Certificate of Compliance support where required.
You get one main point of contact from quote to handover. We provide clear milestones, practical timelines, and regular updates so you can track progress, costs, and decisions during the build.
Yes. We complete kitchen and bathroom renovations, room additions, structural alterations, and full home upgrades in Johannesburg and across Gauteng.
Call us or send an enquiry through the contact page with your location and project scope. We arrange a site visit, discuss your goals and budget, and then provide a written quote with recommended next steps.