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Proud to Support our Community

Rainbow Place

Big Buddy

Habitat for Humanity

Newdick Racing Jet Sprint boat

Waikato Property Investors Association (WPIA)

Ngaruawahia Volunteer Fire Brigade

New Zealand Junior Track Cycling

Hamilton Boys High School Rowing

Dancebeat Academy

Asthma Waikato

Cancer Society


Local schools

Christmas in the Park

Special Childrens Christmas Parties

Gut Cancer Foundation

Here to Help

St Johns Ambulance

Westpac Rescue Helicopter

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At G.J. Gardner Homes, all of our franchises operate within the requirements of Licensed Building Practitioners


G.J. Gardner Homes has been operating in the Hamilton/Waikato region since 1997 and is owned and operated by Jeff and Karyn de Leeuw of R.G. de Leeuw Construction Ltd.

Jeff has been involved with G.J. Gardner Homes for over 21 years. While he has a background in Civil Engineering he was brought up in the residential construction industry. Born and bred in the Waikato, Jeff and Karyn enjoy spending their weekends enjoying all the area has to offer with their family.


Jeff's knowledge and experience has been utilised in other parts of the GJ group with his assistance in establishing GJ franchises in Papakura and Coromandel, and has overseen the construction of more than 3,000 family homes.


The Hamilton / Waikato business has been a strong market leader for many years. The team has also won multiple awards for International Franchise of the Year within the greater G.J. Gardner group. The team is extremely knowledgeable and qualified, with many having been part of the business for over 10 years.


The Hamilton / Waikato team understand that you are an individual and you have unique requirements when building a home. By working together with you they can design and build a home that suits you, your lifestyle and your needs.


They have a wealth of local building experience and knowledge to offer you. Combining this with “New Zealand's Most Trusted Home Builder" they have built a reputation that ensures that all their customers will receive excellent service, quality workmanship, and a quality product.


“We take the responsibility of building your home with us seriously and want to ensure it is of exceptional quality and workmanship. Our high expectations will provide you with a great building experience and a home you can be proud of” – Jeff de Leeuw


Flagstaff, Hamilton, Horsham Downs, Te Awamutu, Cambridge, Matangi, Gordonton, Te Kowhai, Otorohanga, Morrinsville, Tauwhare & Te Kauwhata are just some of the areas they build in around Hamilton.


Feel free to drop by to chat about your new home journey and discover for yourself why more New Zealanders trust G.J. Gardner to build their homes year after year than any other builder.

From March 1st 2012 changes to the Building Act 2004 mean that building work of homes affecting the structure or water envelope (as when building new homes), will be classified as Restricted Building Work and is required to be carried out by competent, appropriately licensed building practitioners. At G.J. Gardner Homes, all of our franchises operate within the requirements of Licensed Building Practitioners. If you require any further information about licensing please click the logo above to go to the Licensed building practitioners (LBPs) website.