Harnett Renovations | Certified Builder | Construction & Building Specialist

 Need a builder to upgrade, extend or alter your home?

Our construction team are expert specialists in home renovations 










Is your family growing? Time to renovate!


Many homeowners renovate their existing home rather than go through the expense and hassle of selling and moving.


Does your kitchen make cooking a real chore? Is your bathroom is too small? Do you need an extension to give your family more space? We are NZ Certified Builders, and can help make your dreams a reality!


Experts in Quality Construction.

While building a house can be challenging at times, it’s also really exciting knowing you’ll end up with a home that’s just the way you want it. Trust Harnett to bring your vision to life; we’ll complete your build on time, within budget and to a high standard. We build a range of new homes, from traditional styles to contemporary designs and everything in between. The team at Harnett are happy to work with your architect to deliver the house you envisage. Contact us to discuss your plans


Trust a NZ Certified Builder

Building with a member of NZCB means you’re in good hands. An NZ Certified Builder must meet strict criteria including having a recognised industry trade qualification, a stable history and a solid reputation. Plus our work is backed by New Zealand’s most comprehensive 10 year residential building guarantee. Let's talk!

We’d love to meet with you or your architect to discuss your plans and find out what you want to achieve from your new build. 

Planning a project? Get in touch! 


James Harnett - Auckland builder

James Harnett - 022 355 4552


Kitchen Renovations

A kitchen is so much more than a place to prepare meals, it’s the heart of your home!

The kitchen is where families gather to eat a casual meal, the kids do their homework, devices get charged and it’s often the centre of the action when you’re entertaining. A well-planned, quality kitchen renovation will add design appeal and make your daily meal prep easier. Plus, if you’re thinking of selling, a beautiful, modern kitchen will attract buyers and add value. Learn more about kitchens.

Kitchen renovation - Harnett Renovations - Auckland builder


Bathroom Upgrades

Get a beautiful, modern bathroom that handles your morning rush!

The bathroom is often the smallest yet busiest room in the house. We can help transform your tired-looking bathroom or ensuite into a space that looks great and functions well. Planning a bathroom renovation is complex, so we recommend consulting an experienced designer. They can help you create a stylish bathroom and maximise space with a layout that meets your family’s needs and budget. Learn more about bathrooms.

Bathroom renovation - Harnett Renovations - Auckland

"James carried out Stage I of a major internal rebuild on our property in Browns Bay earlier this year, plus the building a new stand-alone double garage with loft. This entailed demolition of internal walls, installing steel beams, replacing internal stairs, creating new kitchen and living areas, installing ceiling in lounge to create a new bedroom above, and extending decking. We have been most impressed with James’ expert workmanship, his precision, and meticulousness." - Bill. See more reviews!