Home Renovations, Extensions & Building Services Across Sydney

  • Fully Licensed
  • Fully Insured
  • Fixed Price Quotes
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Featured Work

Explore a selection of our completed projects showcasing the quality, craftsmanship, and attention to detail that define COS Constructions. From renovations and extensions to custom builds, we deliver results built to impress.

Featured Work

Explore Our Showcased Completed Projects.

Take a look at some of our recently completed renovation and construction projects.

Kitchen Renovation

Sydney Project.

Kitchen Renovation

Sydney Project.

Carpentry

Sydney Project.

Additional Storey

Sydney Project.

Bathroom Renovation

Sydney Project.

Home Extension

Sydney Project.

Decking

Sydney Project.

Carpentry

Sydney Project.

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Before & Afters

Real Sydney homes. Real transformations.

Drag the slider on each project to see the difference quality renovation makes.

BEFORE
AFTER
BEFORE
AFTER
BEFORE
AFTER
BEFORE
AFTER
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From extensions, kitchens and bathrooms to complete home transformations, COS Constructions delivers quality renovations built to last.

  • Fully Licensed
  • Fully Insured
  • Fixed Price Quotes
  • Sydney Based Home Builder
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