Construction Services Mangawhai & Kaiwaka | Fistonich Building
New Home Builds
We provide start-to-finish new home building services designed around your goals. Our builds are tailored to your lifestyle, crafted with quality materials, and delivered with professional project management to keep everything on time and budget.
Custom home building from design to handover
Full project management and support
High-quality craftsmanship and materials
Built to meet NZ building codes and regulations
Clear timelines and communication
Renovations & Alterations
Our renovation services are perfect for transforming your current home. From layout changes to full updates, we create refreshed, functional spaces that suit your lifestyle without the stress.
Bathroom and kitchen upgrades
Layout reconfigurations
Interior and exterior
improvements
Minimal disruption to your home life
Designed for long-term value
Decks & Outdoor Living
Enhance your home with beautiful outdoor spaces. We build custom decks and outdoor living areas that make the most of your property and the Kiwi lifestyle.
Hardwood and composite decking
Covered patios and pergolas
Custom designs for entertaining
Built to last in NZ weather
Tailored to suit your landscape
House Extensions
Add more space to your existing home with professional extensions. We ensure your new area blends seamlessly with the old while meeting all modern standards.
Bedrooms, lounges, or second storeys
Integrated with existing layout
Built to council standards
Engineered for durability
Adds value to your home
General Carpentry
Skilled carpentry for everything from framing to finishings. We offer reliable, detailed work that supports all stages of construction or renovation.
Wall framing and support structures
Custom shelving and cabinetry installs
Flooring, trims, and finishings
Precision and craftsmanship
Trusted for quality and reliability
Project Management
Let us handle the coordination of your build. We manage trades, suppliers, schedules, and council requirements so your project stays on track and stress-free.
Full end-to-end project management
Clear communication throughout
Trusted trade and supplier network
On-budget and on-schedule focus
Seamless coordination from start to finish
Why Choose Fistonich Building?
Your Trusted Building Partner for Projects in Mangawhai, Kaiwaka & Surrounding Areas
Local Expertise You Can Count On
We know the region, its people, and its building requirements – giving you confidence that your project is in capable hands.
Clear & Honest Communication
We value transparency. From quotes to updates, we keep you informed and involved every step of the way.
Quality Craftsmanship
We don’t cut corners. Every project is completed with the same care and attention we’d give our own homes.
End-to-End Project Support
From the first conversation to the final nail, we handle everything with professionalism, so you can relax.
Flexible & Custom Solutions
No two homes are the same. We tailor our work to suit your needs, lifestyle, and budget.
Our 3-Step Process
01
Initial Consultation
We begin with a conversation to understand your goals, budget, and timeline. Whether it's a new build or renovation, we listen and offer professional advice.
02
Plan & Organise
We will put together a plan of works and tailored organisation to suit your needs, No surprises – just honest, reliable communication from start to finish.
03
Build & Deliver
Our experienced team gets to work, managing your project with care and precision. We keep you informed every step of the way until your project is complete.
Reviews Section
Some Of Our Reviews
Victor Z
★★★★★
"Fistonich Building delivered beyond our expectations. Our new deck looks amazing and the team was great to work with."
Piers T
★★★★★
"We had a full home renovation completed and the attention to detail was spot on. Would highly recommend."
Dominic M
★★★★★
"Prompt, professional, and honest. They made the entire building process stress-free."
Sebastian R
★★★★★
"Our extension was finished on time and looks like it was part of the original house. Very happy with the result."
Julian P
★★★★★
"We were impressed with the clear communication and the pride they take in their work. 10/10."
Marcus H
★★★★★
"Great builders who really listened to what we wanted and made it happen. We love our new space!"
About Us
Fistonich Building is a locally operated construction business based in Kaiwaka and serving Mangawhai, Kaipara Flats, and surrounding areas. We specialise in residential building services including renovations, new builds, decks, and extensions. Known for our reliability, clear communication, and quality workmanship, we help homeowners bring their ideas to life – from the ground up.
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Contact Us
fistonichbuilding.co.nz
+64 21 542 023
Lower Northland / Northern Auckland
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Copyright © 2026 All Rights Reserved.