BASIX Certificate Services Across NSW

A BASIX certificate is mandatory for:

• All new residential developments
• Existing home alteration & additions that cost more than $50,000 
• Swimming pools and spas of 40,000 litres or more 

Councils require a BASIX certificate when you submit your DA or CDC to confirm your project meets energy, water and thermal performance standards.

Project costs vary depending on complexity, but if you can provide a floor plan and elevations, we’ll prepare a complimentary, fixed‑price quote for you.

Below are our typical starting rates to give you a clear idea of what to expect:

• Alterations & Additions — $200
• Granny Flat — $250
• Single Dwelling — $350
• House + Granny Flat — $700
• Duplex — $800
• Multi‑Unit Project — $1050

• Fast BASIX certificate turnaround for DA or CDC submission
• NatHERS thermal modelling to help your project meet thermal requirements
• Clear & collaborative advice on insulation, glazing, shading and orientation
• Cost saving design optimisation to avoid expensive redesigns
• Transparent, fixed pricing with government certificate fees included & no nasty future surprises
• Support from experienced BASIX assessors who understand council requirements

We help you achieve BASIX compliance while keeping your project efficient, affordable and on schedule.

Send an enquiry through in our contact form below & we will get back to you within 24 hours.