Ground Floor Additions Kellyville – Expert Single-Storey Home Extensions & Renovations
Who We Are
We understand that adding to your home can be a significant financial investment. That's why we offer fair prices, clear contracts with fixed costs, and licensed builders who walk you through each step of your project.
Preserve Outdoor Space
Build vertically to maintain your backyard, garden, or pool area— ideal for smaller blocks.
Add Views and Light
Second levels can open up elevated outlooks and bring in more sunlight, enhancing both value and lifestyle.
Get More Privacy
Create spacious master suites or quiet study areas completely separated from the main living zone.
Boost Property Value
Second storey additions are a strong investment, often delivering a higher return by substantially increasing usable floor area.
Why Us?
Keystone Building specialises in ground-floor renovations and single-storey home additions throughout Kellyville and Western Sydney.
- Local Experts: A family business that has been familiar with the area since 2001.
- Experienced Builders: Over 20 years of building home additions with great results.
- Clear Pricing: Fixed quotes, clear timelines, and no surprise costs.
- Stay-at-Home Approach: Most families can stay in their home while we build.
- Full Project Management: We handle approvals, plans, and tradespeople for smooth projects.
Our Process
Our clear process makes sure every ground-floor addition in Kellyville gets done well:
- Initial Consultation: Free quote and design chat with no pressure.
- Design & Drafting: Custom plans and drawings that include structural and engineering needs.
- Council Approvals: We handle all the paperwork and permits, so you don't have to worry about it.
- Project Management: We organise all the workers, materials, and timing to keep everything running smoothly.
- Construction & Quality Checks: You'll receive daily updates, and we maintain a safe and tidy worksite.
- Handover: We guide you through every step to ensure your complete satisfaction before we finalise the process.
We keep you informed, maintain safety, and deliver quality work at every step. Projects stay on time and within budget.
Our Service Locations
We build ground-floor home extensions and single-storey additions throughout Kellyville and the surrounding Western Sydney areas. Our local knowledge enables us to meet council requirements and deliver projects efficiently and effectively.
Service Areas: Kellyville, Castle Hill, Baulkham Hills, Rouse Hill, Glenhaven, West Pennant Hills, Dural, Cherrybrook, Bella Vista, North Rocks.
