Who We Are

COR Construction is a family owned, residential building company operating in the Eastern Suburbs of Sydney since 2010. COR Construction prides itself on prioritising customer satisfaction at all stages of the building process, providing a cohesive and collaborative approach to managing projects. We focus on understanding the client’s vision for the project, the selection of materials and finishes, consulting with architects and interior designers, developing realistic construction schedules and managing to the client’s total cost expectations.
COR Construction has a reputation for high quality workmanship and a professional, friendly and reliable service. The team includes a network of talented highly qualified professionals who are specialists in their own particular areas. Together, we are committed to the successful completion of all projects, providing a professional and committed approach in order to achieve the optimal result, always with the budget in mind.
Why Choose COR Construction?
Customer Satisfaction
We work hard to be the best local builder, we are committed, organised and reliable. The testimonials speak for themselves!
Fully Qualified & Insured
Founder Dayne Williams qualified as a Carpenter in 2002, having already worked in the industry for several years and progressed to become a fully qualified Builder in 2009. COR Construction has all the relevant licences and insurances for compliance with required laws. We make sure our sub-contractors are also appropriately licenced and highly skilled.

Dayne Williams delivered a project that was complicated due to site constraints and documentation coordination issues. Dayne worked through the issues diligently and solved them. He is an excellent communicator. The scope of work was delivered in a timely manner and of high quality. There were no unforeseen variations. I will contract Dayne again without a doubt.
COR Construction have done an amazing job with our property. Dayne is a total professional; skilled craftsman and meticulous co-ordination. Absolutely love what they have done to our place and can’t wait to see what comes next.
Some Of Our Services

First Floor Additions and Extensions
We specialise in the redesigning of residential homes. From extensions and second stories to interior refits, we will work with you to create your dream home within the budget you need. Let us know what you need, and we’ll make it happen.

Kitchen Remodelling
The kitchen is the heart of the home, we can work with you to build your dream kitchen with custom joinery and top-notch appliances.

Maintenance and Repairs
We offer a range of services including repairing leak damage, repainting exteriors and interiors, roofing replacement and window upgrades.
Relevant for Strata titled properties, COR Construction holds a fully qualified Building Practioner certificate which is essential for working on high rise apartments.

Bathroom Renovations
We can help you create your own bespoke bathroom, toilet & laundry that you will love, whether it is modern, designer or more luxury style.

Pergolas and Decks
Love entertaining friends & family? We can help you update your outdoor living space. We can create custom spaces to suit any shape or size backyard or balcony area.
Contact COR Construction Today
Enquiries
Email Dayne
Send me an email with your enquiry, or use the form on this page. I’ll come back to you as soon as I’m able.