
Is Your House To Small Or Outdated?
Every renovation, extension, or alteration project is a chance to breathe new life into a space, creating something unique. Whether it's a kitchen remodel, bathroom renovation, or complete gut and rebuild, we collaborate closely with our clients to realise their vision.
Substrait Construction is committed to delivering high-quality renovations, extensions, and alterations, using top materials and our trusted network of Sub Trades. Our skilled craftsmen ensure visually stunning and durable results.
We tailor each project to reflect our clients' individual style and preferences. Client satisfaction is our priority, with clear communication and timely updates throughout the process keeps you informed with your project.
Considering a renovation, extension or alteration? Let's discuss your ideas during a consultation. Contact us to start transforming your space into something extraordinary today.









Renovations, Alterations & Extensions
Video Testimonial - Deck of details - Dave Sommerville
Why Choose Us?
Exceptional Eye For Details
Licensed Experts
Substrait Construction is fully licensed and qualified, to carry out your Restricted Building Work (RBW) we will also help deal with council throughout the process right through to CCC taking that stress off your plate.
Quality Control
At Substrait Construction, we implement a comprehensive 285-point quality checklist throughout the building process. This ensures that everything is done right the first time.
Clear Communication
Substrait Construction prioritises clear communication. With regular updates and timely messages, we ensure you're informed without feeling inundated. Trust us for a seamless journey from start to finish.
Genuine Care
At Substrait Construction, we prioritise people. Whether you're a client, staff member, or contractor, we treat everyone with equal respect. Your project receives the time and attention it deserves. Join us as a valued partner in our day-to-day operations.
Precise Costing
At Substrait Construction, we enlist Quantity Surveyors on our large projects to ensure accurate pricing. Our goal is to anticipate potential variations, keeping you informed of any unexpected costs.
Certified Builders
Substrait Construction is proudly affiliated with NZ Certified Builders. Where not every Tom, Dick and unlicensed Harry can be a part of it.
