Design.
Approve.
Construct.
Everything you need to get your granny flat built — design, council approvals and construction — handled by one team, for a fraction of what architects charge.
2024 WA Regulation Change
Granny flats under 70m² no longer need planning approval in WA — just a 10-day building permit. We were across this change the day it happened and can fast-track your project.
200+
PROJECTS COMPLETED
10 days
BUILDING DESIGN (U70M*2)
4-6 wk
FULL DESIGN & APPROVAL
5⭐
GOOGLE RATING
WHAT WE DO
From first sketch to keys
in your hand.
1
Design & Drafting
Full working drawings tailored to your block and council requirements — ready for submission first time, every time. No architect fees.
2
Council Approvals
We handle every form, submission and council liaison. Most granny flats under 70m² now only need a building permit — approved in as little as 10 days.
3
Project Management
We stay with your build from approval to completion — coordinating every stage so you don't have to chase anyone or figure anything out yourself.
4
Modular Solutions
Premium prefab homes built offsite and installed on your block. Fixed price, fast turnaround, full approvals included. Ideal for granny flats and investment.
HOW IT WORKS
Simple. Transparent. Done.
1
Free Consult
We assess your block, listen to your vision and lock in the scope at no charge.
2
Design & Drafting
Council-ready drawings prepared to your block and budget. Typical turnaround: 1–2 weeks.
3
Approval Lodged
Building permit lodged immediately. Under 70m²: 10 days. Full design & approval: 4–6 weeks.
4
Build Begins
Your approved plans in hand, construction starts. We stay involved through every stage.
5
Build & Handover
We stay in contact through the build. One team from first call to final inspection.
Why BUILdWise WA
Expert service.
Without the
architect price tag.
Fraction of the Cost
Architects and planning consultants charge $15k–$30k+ for what we deliver for $7–10k. Same quality, same outcome — without the inflated fees.
Truly End-to-End
Design, drafting, council submissions, project management — one team, one phone number. You don't need to coordinate anyone or figure anything out.
We Know Perth Councils
200+ projects across greater Perth means we know what every council wants. Our submissions don't come back for revisions.
Fixed Price Upfront
You know exactly what you're paying before you commit. No surprise invoices, no scope creep charges.
✓ Ask us how this applies to your property — free consultation
$7,000–$10,000
Fixed price quoted upfront. No hidden fees. Includes all drawings, council lodgement and approval management.
2 Bed Studio
45–55m² · Self-contained · Granny flat approved
From $120k
inc. install
3 Bed Family
85–100m² · 2 bath · Double garage option
From $195k
inc. install
4 Bed Executive
120–140m² · 2 bath · Premium finishes
From $265k
inc. install
Dual Key
2 × self-contained · Investment optimised
From $230k
inc. install
Custom Design
Any size · Your floorplan · POA
POA
contact us
What Clients Say
Don't take our word for it.
"BuildWise WA made the entire granny flat approval process so easy. Danny and his team handled the drawings, council submissions, and kept me updated the whole way through."
Sarah T.
Baldivis, Perth
"Professional, fast, and reliable. BuildWise WA helped us design and approve our granny flat without delays. Their communication and attention to detail was excellent from start to finish."
Dave M.
Rockingham, Perth
"Danny from BuildWise is a legend. He explained everything in plain English and made sure all our plans met council standards. Great service, great outcome — highly recommend."
Amanda P.
Midland, Perth
"I had no idea where to start with a granny flat, but BuildWise took care of everything. Their knowledge of WA regulations is second to none and the price was very fair."
Michael R.
Wanneroo, Perth
"Dealing with council paperwork can be a nightmare but BuildWise made it smooth and simple. High-quality drawings and they knew exactly what each council needed."
Jessica L.
Baldivis, Perth
"We needed detailed drawings and someone who could handle council approvals too. BuildWise WA delivered both — saved us time and money. Can't fault them at all."
Tom & Emily G.
Joondalup, Perth
COMMON QUESTIONS
Got questions?
We've got answers.
We specialise in granny flat design, council approvals, and drawing services across Western Australia. We take care of the paperwork, compliance, and plans from concept to approval.
Yes, we manage the full council approval process, including submitting all required documents, liaising with the local council, and making sure your project meets all WA regulations.
Approval timeframes can vary depending on your local council, but typically it takes 4–8 weeks once all documentation is submitted. We do everything we can to speed up the process.
Definitely. We’ll work with you to create a custom design that suits your block, budget, and goals — whether it’s for extra space, rental income, or family use.
Yes ask us more about our Owner builder method to save you thousands and give you control of your own build.
Prices vary depending on the project size and requirements. We offer free quotes so you know exactly what you’re paying for with no hidden fees.
Easy just get in touch via our contact form or give us a call. We’ll chat about your project, answer any questions, and get the ball rolling on your plans and approvals.