We are experienced renovation builders who deliver quality workmanship, practical solutions, and a better renovation experience.
Renovations Done Right
Communication, Craftsmanship & Less Stress
Our Renovation Services
For Every Stage Of Life
Gareth Davis Builders are experienced renovation builders working across Christchurch and the Waimakariri and Hurunui districts in North Canterbury. We specialise in full home renovations, extensions, and upgrading older homes to improve both functionality and long-term value.
Whether you’re renovating your family home or upgrading an investment property, we work closely with you to plan and deliver a renovation that achieves the best possible outcome.
We provide expert craftsmanship, attention to detail, and minimal stress at every stage. Our experienced renovation and extension builders are trusted for creating beautiful, functional spaces — from modern home extensions and small home upgrades to complete house renovation and extension projects.
If you’re looking for a renovation builder in Christchurch, Rangiora, Kaiapoi, Amberley or the wider North Canterbury area, Gareth Davis Builders is ready to turn your ideas into reality. We can extend your home, undertake a garage to living conversion, or plan a full renovation at home.
Our Renovation Services
Full-Home Renovations
Transform your entire home with a complete renovation.
Whether you have a specific vision or need expert guidance, we work with a range of home styles — from modern builds to architectural masterpieces and character homes — delivering functional, beautiful spaces with quality craftsmanship at the core.
Structural Alterations & Layout Changes
Reconfigure your space for better flow and usability.
Improve your home’s flow, functionality, and light with expert structural alterations. Whether removing walls, reconfiguring layouts, or expanding rooms, we ensure all modifications are safe, efficient, and compliant, creating a better, more open living space.
Extensions
More Space Without Moving
Need an extra bedroom, bigger living area, or home office? A seamless extension adds space, value, and functionality without the hassle of moving. We manage the construction process and work closely with your architect or draughts person—who handles the design and consents—to ensure a seamless match with your existing home.
Renovation Projects & Advice
Explore our recent renovation projects along with practical advice and insights to help you plan and get the most out of your renovation.
What Does a Full Home Renovation Cost in Christchurch in 2026?
Before & After: Rental Property Renovation in Christchurch
Before & After: Rental Property Renovation in Christchurch
Boost Rental Yields Through Renovating
Boost Rental Yields Through Renovating
The Renovation Process
01.
Initial Consultation
We start with a no-obligation consultation to understand your goals, budget, and timeline. Whether it’s an extension or a full-home transformation, we tailor everything to your needs.
02.
Design & Planning
We work with you to refine the design, select materials, and finalise a realistic budget. If needed, we collaborate with architects or draughtsmen to bring your vision to life.
03.
Consent & Final Quote
Your draughtsman will handle the council consent process. Once consented, we review the approved council issued plans and finalise the quote to ensure everything aligns with your budget before construction begins.
04.
Contract Signing
Once the quote is approved, we prepare a Master Builders contract covering scope, timeline, payments, and guarantees. With it signed, your renovation can begin.
05.
Construction Begins
Demolition (if needed), structural work, and installations begin. We manage the build from start to finish, keeping you informed and on track.
06.
Handover
Once finished and signed off, we hand over the keys and do a final walkthrough to ensure you’re happy.
What Our Clients Say
Thinking Of Renovating?
We make it easy with our free renovation guide. We send it straight to your inbox!
Green Home Loan Options
For Renovations
Planning a renovation? You may be able to access low-interest or interest-free Green Home Loans through major New Zealand banks including ANZ, Westpac, ASB, and BNZ to help fund energy-efficient upgrades to your home.
These loans can assist with improvements such as heat pumps, insulation, double glazing, ventilation systems, hot water upgrades, solar power, rainwater tanks, waterproofing, and more. This helps create a warmer, healthier, and more energy-efficient home. Depending on the bank, eligible homeowners may be able to borrow up to $80,000 at low or even 0% interest rates for a set period.
Ready To Renovate?
Let's Make It Happen!
Whether you’re still exploring ideas or ready to begin your renovation, as experts, we are here to guide you through the process. With clear communication, careful project management, and exceptional craftsmanship, we deliver high-quality renovations designed to feel stress-free and enjoyable. Get in touch to discuss your project, get expert advice, or request a quote.
