Home Extensions Sunshine Coast

Timelines vary depending on the size and complexity of the project, but most home extensions take between three and nine months from design through to completion. Straightforward single-room additions tend to sit at the shorter end, while second-storey additions or larger open-plan extensions take longer. Council approval timeframes and weather can also affect the overall schedule.

Most home extensions require some form of council or building approval, though the exact process depends on the scope of work and your property's zoning. Structural changes, additions to floor area, and second-storey work typically need building approval and, in some cases, planning approval. Minor internal changes may not. We guide clients through this process, but your certifier or local council will confirm exact requirements for your property.

Coastal conditions on the Sunshine Coast bring specific building considerations, including wind loading, corrosion-resistant fixings and cladding, moisture and humidity management, and drainage design suited to sandy or low-lying sites. Building codes in coastal and cyclone-prone areas may also call for higher structural specifications than inland builds. Working with a builder experienced in coastal construction helps ensure your extension is designed to hold up to the local environment.

Costs vary widely depending on size, materials, site access and design complexity, but many home extensions in the region fall somewhere between $50,000 and $200,000+. Smaller additions such as a single bedroom or bathroom extension sit at the lower end, while larger second-storey or open-plan extensions with premium finishes cost more. We provide a tailored quote after understanding your goals and site conditions.

In many cases, yes, particularly if the extension is contained to one area and doesn't affect essential living spaces like your kitchen or bathroom for extended periods. For larger or more disruptive projects, temporary relocation for part of the build may be more comfortable. We discuss this with you during planning so you know what to expect.

Yes. While we're based on the Sunshine Coast, we build home extensions right across the region, including Caloundra, Currimundi, Little Mountain, Moffat Beach, Golden Beach, Kings Beach, Mooloolaba, Alexandra Headlands and Maroochydore. Because building conditions, council requirements and typical block layouts vary from suburb to suburb, we assess each site individually rather than applying a one-size-fits-all approach, so your extension is designed to suit your specific location.

We regularly build home extensions in Caloundra, Currimundi, Little Mountain, Moffat Beach, Golden Beach, Kings Beach, Mooloolaba, Alexandra Headlands, Maroochydore and surrounding Sunshine Coast suburbs. If you're outside these areas, get in touch and we can let you know whether we cover your location.