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FAQs
Find answers to the most common questions you may have.
Yes, we can give you a reference along with a list of previous work for you to drive by and look at.
In the meantime, you can see some of our recent work on our PROJECTS page.
Yes, we can seamlessly blend extensions and additions with your existing home or offer stylish designs made to modernise and transform your home from top to bottom - it's up to you!
Keystone consultants will present you with examples of before and after images to give you full confidence in the final outcome. You can see some of our recent work on our PROJECTS page.
Once council approval has been received and contracts have been signed we can generally start work in approximately 4 weeks. However, this will be confirmed with you as we approach this stage of the project.
Our team will usually be there between 7-7.30am and 3.30-4pm depending on the work being completed.
If we need to access your home during times when you may be atwork, we will discuss this with you to ensure a safe solution.
We're based in Penrith, and work across Western Sydney, the Hills District, South-West Sydney, and surrounding areas including the Hawkesbury and Blue Mountains.
Most Second Storey Additions take between 4 to 8 months, depending on complexity, weather, and council approvals.
Your build is unique and we'll provide a clear timeline during the planning phase.
No, most homeowners are able to live in their homes during the average Second Storey Addition or Extension.
Of course, it depends on how much you're getting done to the original part of your home, and personal preference.
In some cases, especially during demolition or structural work, it may be safer and more practical to vacate the property temporarily. We’ll discuss this with you upfront so you can plan accordingly.
Yes, if you're building a Second Storey, the ground floor must be able to support the additional weight of the Second Storey.
Our structural engineers will assess your property and design neccessary reinforcements, and we'll manage all applications to Council / Building Certifier and other authorities.
Costs vary widely dependant on your requirements, but the average Second-Storey Addition can range from $200,000 to $400,000.
We’ll provide a detailed quote specific to your needs and site conditions.
Yes! For 95% of our projects, yes you can still live in your home during construction.
Keystone commits to keeping your home clean and secure.
We make every effort to keep the disruption to an absolute minimum so you can stay in your home as we build, but there will always be some dust, dirt and noise.
Our friendly trades use drop sheets and clean up after themselves at the end of every day’s work.
On average it takes from 2 to 5 months but it may take longer depending on the size of your extension.
No matter how big the job, Keystone gives you a precise and fixed build time bound by a contract with penalty clauses.
Your Project Manager will be readily available to answer any questions, and will also visit and/or call you for decision making to keep you updated. You will have their phone number to call if you have any questions.
Yes, Keystone has a number of unique guarantees to give you greater peace of mind. Get in touch to find out more.
All Second-Storey Additions require approval from your local council. We manage this as part of our service, ensuring plans meet all zoning and compliance requirements.
Yes, Keystone handles everything! Our friendly team will manage all the necessary approvals and documents required for work to proceed.
No, Keystone's Building Consultants will design specifically to your needs, and our draftsman will prepare the plans for Council approval.
However, if you already have an architect, we are happy to work with them to complete the project.
Yes! Keystone takes care of every aspect of the design and building process including engineering drawings and appropriate approvals.
