Follow us on Instagram
make appointment

Request your FREE Consultation

Contact John to discuss your renovation and extension requirements today.

Your 3×1 home can be 4×2 home

Need more room to accomodate a growing family?

We Like Where we live!

You don’t want the hassle of home opens and exorbitant real estate fees. Then why not renovate or extend your existing home?

One Design and Construct (1DC to our friends) are specialists in converting simple 3 X 1 houses into intelligently designed 4 bedroom, 2 bathroom homes, complete with master ensuite and garage all wrapped up with exceptional quality craftsmanship and finishes.

Our recent clients in WillettonLeemingKardinya, and Bullcreek loved working with us and you will too!

So why not come on board with a multi award winning team.

Addition of new master suite & Garage

Leeming Carport to Extra Bedroom & Garage




Client Review from The Leeming Project

John is very accommodating and he’s like a friend you’re happy to welcome into your home. Everything gets done right without us saying anything, and a lot of things we would never even think of, we’re always informed every step of the way.
Miranda & Chris
Addition of new masterbedroom, Ensuite & walkin robe

Bullcreek Carport to Extra Bedroom & Ensuite




Customers reviews

What clients say about One Design & Construct?

Every tradesperson that John utilised was on time, friendly, professional and happy to entertain conversation with our family members, including our 4 year old boy with a sense of inflated site manager responsibility.
Steve & Kate
From start to finish, we were blown away with the professionalism and quality of work of the company. John was in constant contact with us throughout the process, the workmen were reliable and the end product completely exceeded our expectations.
Request Your Free Consultation

Do you have home conversion ideas?

Thinking of having extra bedrooms? Get in touch with John for a FREE consultation session.