Granny Flats Kirwan

Kirwan is part of the Townsville region under Townsville City Council. Large northern suburb with family homes and bigger back yards — a common secondary-dwelling enquiry area. Townsville Granny Flats connects Kirwan homeowners with a local licensed granny flat builder for a free quote.

Call 0485 557 649 for a free, no-obligation quote.

Rules that usually apply

Local secondary dwelling size limit: 90 m² GFA. In residential zones the secondary dwelling should sit within 20 m of the primary house and meet ordinary dwelling-house site cover, setback and height rules. Building approval is always required. See approvals.

What it might cost

Published 2026 Townsville guides put turnkey studio/1-bed flats around $110,000–$160,000 and 2-bed around $140,000–$210,000, with site works often another $15,000–$40,000. Typical ranges only — see the cost guide.

Get a free Kirwan quote

Townsville Granny Flats is a referral service. We don’t build. Call 0485 557 649. Or see all areas.