construction company in johannesburg

Construction Company in Johannesburg

Looking for a reliable construction company
in Johannesburg? We can help!

We care about your vision, whether it is to build a new home, or to alter or renovate your home.  We cover projects from large-scale construction to smaller-scale renovations.

 Our friendly staff and professional building teams are ready for any construction project.  With our tailored approach, we’ll work with you to deliver what you need.

We can help you to turn your vision into reality.


Unitech Construction –
New Home Building Excellence

Achieving new home construction excellence requires a mindful balance of quality, sustainability, and functionality.

Careful planning and design, coupled with the use of durable, energy-efficient, and environmentally friendly materials, is critical.

Attention to detail is essential during construction to ensure both structural stability and compliance with building codes.

In addition to incorporating the latest technology and design trends, new home construction excellence also involves tailoring the home to the unique needs and desires of the homeowners.

Achieving this level of excellence demands the expertise of skilled tradespeople, effective project management, and an unwavering commitment to customer satisfaction.

Unitech Construction and Building Projects

The ultimate result is a home that
provides unmatched comfort, safety and lasting value.

Unitech renovations and alterations services

Unitech is a Construction Company that will help you with any renovations and additions.

Unitech is much more than just building from the ground up. They’re also experts at enhancing existing structures with renovation and home addition services.

Unitech can help you transform your living space with many home addition ideas. As a general contractor, we can build your new luxurious master bedroom. We specialise in upgrading outdated electrical and plumbing services with any room addition. We can create a bright and airy contemporary space for relaxing.

Unitech Roofing, Waterproofing and Repairs

Unitech Roof Maintenance and Repair delivers comprehensive solutions for both commercial and residential customers.

Our services cover everything from routine inspections to major roof repairs and upgrades, ensuring your roof remains in top condition. So whether you need a new installation or waterproofing repairs, Unitech has you covered.

Trust your roofing project to our team of experts to provide quality waterproofing services and roof repairs.

roofing and waterproofing
warehouses and steel structures

As a Construction Company – we also specialise in Commercial Warehouses and Steel Structures

At Unitech, we specialise in engineering large-scale industrial spaces that are designed to cater to your manufacturing and distribution needs. We provide a turnkey service that incorporates the construction of steel structures, warehouses, and extensions – as well as installation of loading docks and shelving & storage systems – all while conforming to relevant building codes & safety regulations.

Unitech Project Management

Unitech’s expertise in project management ensures that your home improvement project stays on track and within budget and delivers the desired results.

Our team works closely with contractors and vendors, ensuring seamless collaboration from start to finish. We keep a firm handle on the construction schedule, monitoring progress every step of the way. Expect nothing less than a project that meets its objectives with Unitech by your side.

project management

Unitech’s knowledge and experience in managing projects guarantee that any home improvement work will stay within the planned budget and timeline and will deliver the desired outcome.

Are you planning a new construction or roofing project and want some expert advice?
Call us today!

Whether you’ve built a new house before, or venturing into this for the first time, choosing the right construction company is the make or break point and ultimately the biggest decision you’ll be making with the biggest investment in your life.

From major renovations to small remodels, new home projects as well as full scale commercial buildings, we monitor every detail that goes into your project.

We will be with you every step of the way from an initial idea, through the design process, and budgeting to final cost estimates.

We provide our customers with professional and reliable industrial and commercial roofing, whether it’s a new roof installation project, replacing an old roof, performing roof maintenance or making emergency repairs, we are prepared to meet all your industrial and commercial roofing needs.

Our professional turnkey roofing solutions have been used for shopping malls, warehousesand storage buildings, factories and commercial offices, all designed and built to the exact specifications of the project.


  • All
  • Architects
  • Bathrooms
  • Ceiling Insulation
  • Ceilings
  • Doors and Windows
  • Fireplaces
  • Foundations
  • Garages
  • Granny Flats
  • New Homes
  • Norman's Blog
  • Patios
  • Remodeling
  • Roof Renovations
  • Skylights
  • Structural Steel

Redefining Construction with Advanced Structural Steel Solutions

Unitech SA offers custom steel structure design, fabrication, and construction for durable, efficient building solutions.

Unitech SA: Professional Raft Foundation Builders

Unitech SA specializes in building durable mat foundations in Johannesburg, ensuring stability and reliability for various construction projects.

Builders of New Homes: Unitech SA’s Friendly and Personalised Approach

Unitech SA offers professional, durable, and elegant driveway paving in Johannesburg, ensuring top-quality service, customer satisfaction, and expert craftsmanship.

Skylights – Let More Light into Your Home This Winter with Unitech SA

Unitech SA has a variety of solutions, including skylights, to help brighten your home and make the most of the available sunlight.

Professional Patio Roof Builders in Johannesburg

Contact Unitech SA – the experts in building patio roofs to additions that enhance your home’s value and outdoor living space.

Unitech SA: Your Trusted Garage Builders

Choose Unitech SA for a dedicated garage builder that offers complete turnkey services, ensuring your satisfaction from start to finish.

Blog 6 – Unrealistic expectations

Educating clients in the construction business is like laying a solid foundation for a sturdy house. It’s crucial!

Preparing Your Home for Winter with Unitech SA – Ceiling Insulation

Unitech SA’s range of services makes us a one-stop solution for preparing your home for winter including ceiling insulation services.

5 Home Projects Unitech SA recommends you should always leave to the pros

Explore the benefits of building a granny flat with Unitech SA: flexible options, enhanced privacy, and expert guidance.

The Benefits of Building a Granny Flat

Explore the benefits of building a granny flat with Unitech SA: flexible options, enhanced privacy, and expert guidance.

Member of NHBRC
Member of DWASA
Member of CIDB

Office: 010 023 0507

Business Whatsapp:  079 526 1950


Norman Koster – 066 239 0382

Desiree Koster – 082 608 2291

    What Our Customers Have To Say…

    5 Star Review

    Quality Service and Excellent Customer Service
    – Carla Esteves

    5 Star Review

    Best experience I’ve had with contractors to date!
    – Martin Kariuki

    5 Star Review

    A job very well executed.
    – Michael Lewis

    5 Star Review

    The outcome exceeded my expectations
    – Jan Bester

    5 Star Review

    All have been excellent!  I can’t wait to recommend you to friends and family.
    Joanne Kopel

    5 Star Review

    Everything was excellent.
    – Mieke Spearman

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