Granny flat builders · Sydney NSW
Bellcast has built nothing but granny flats across Sydney for 15 years. We handle the design, the approvals and the build — with stone benchtops, air conditioning and high ceilings as standard.
Bellcast Granny Flats · 29A Constance St, Guildford NSW 2161 · ABN 34 160 447 585
Three ways Sydney homeowners and investors use us. Whichever one you're after, the same team runs it from the first site visit to handover.
A complete, freestanding granny flat on your existing block, with its own kitchen, bathroom and laundry. We check the site, draw the plans, get it approved and build it, so you end up with a finished home instead of a pile of trade invoices.
Odd-shaped block, tight setbacks, a slope, a tree you want to keep? We design the layout around what your land actually allows and how you'll use the space. You see the plan and the full inclusions list before anything is ordered.
Built to be rented, with finishes that stand up to tenants and a layout that gets good applications. We'll walk you through what the build costs, what it adds to the property and what it takes to get it tenant-ready.
Plenty of builders will squeeze a granny flat in between house jobs. We don't build anything else. That means we already know what your council will want, what your block can take and what the job should cost before we turn up.
Bellcast built our granny flat and we couldn't be happier with the result. Simon and the team were fantastic to work with, friendly, professional, and really took the time to make sure everything was just right. It was a smooth and stress free process from start to finish. Big thanks to Simon and the crew for their amazing work!
Jamal ElkheirGoogle review
Finished Bellcast granny flats across Western Sydney and beyond. Tap any photo to see it larger.
A granny flat only runs smoothly because someone has run it a hundred times before. Here's exactly how yours goes.
Tell us about your block and what you want the space for. You get a clear price and an honest answer on whether it stacks up.
We walk your property, check access, setbacks and services, then talk through your goals and budget in person.
We draw a layout that suits your land and your family, confirm the inclusions, and get the plans ready to lodge.
We take care of the approval paperwork, then build it, with an update at each stage so you always know where things are at.
We walk you through the finished granny flat and hand over the keys. Move family in, or put it on the rental market.
Free quote, no obligation. Tell us about your block and we'll tell you what's possible on it.
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