Home Renovations, Extensions & Building Services Across Sydney

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Area We Serve

Home Extensions

Don’t have enough space, but don’t want to move away from your current house? We offer home extensions Sydney residents who require extra rooms in their houses.

Carpentry Services

Be it timber construction work through to completed outdoor areas, you can rest assured that you are getting quality work from the Custom Carpentry services Sydney by COS Constructions.

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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