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Class 9a Medical Centre & Health Building Design Sydney

Medical centres, dental clinics and health-care buildings across Sydney. Class 9a compliance, accessible design and NSW Health facility planning.

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TL;DR: Medical centre design fees $25k–$300k+ depending on scale. Class 9a has strict accessibility, infection control, hydraulic and medical gas requirements. Standalone medical centres don't need RDP unless combined with Class 9c or Class 2. DA 3–6 months. giantA designs Class 9a health buildings.

Class 9a design scope

  • Medical centres and GP clinics
  • Dental surgeries and specialist suites
  • Day procedure and imaging centres
  • Allied health practices (physiotherapy, psychology)
  • Pathology collection centres
  • Small-scale hospital facilities

Costs and timeline

ScaleDesign feeDA timeline
Small practice (2–4 rooms)$25,000 – $50,0003 – 4 months
Medium medical centre$50,000 – $120,0004 – 6 months
Large multi-disciplinary$120,000 – $300,0006 – 12 months

Frequently Asked Questions

What is a Class 9a building?

Class 9a covers health-care buildings: hospitals, medical centres, dental clinics, day procedure centres, and buildings used for medical diagnosis and treatment. Class 9a buildings have strict requirements for accessible design, infection control layouts, hydraulic systems and medical gas infrastructure.

Do I need a Registered Design Practitioner for a medical centre?

Class 9a buildings alone do not require RDP sign-off under the NSW DBP Act 2020 (unlike Class 2, 3 and 9c). However, medical centres commonly combine with Class 9c aged care or Class 2 residential — in which case RDP sign-off is mandatory. We advise on regulatory status at feasibility.

How much does medical centre design cost in Sydney?

Small medical centre (2–4 consulting rooms): design fees $25,000–$50,000. Medium medical centre (5–10 rooms with imaging/pathology): $50,000–$120,000. Large multi-disciplinary practice: $120,000–$300,000. Medical fit-outs cost $2,500–$6,000 per m².

What standards apply to medical centre design?

Medical centres in NSW must comply with: NCC Class 9a requirements, NSW Health facility guidelines, Disability Discrimination Act accessibility standards (AS 1428), infection control layout principles, patient privacy standards, and often Medicare accreditation layout requirements.

How long does medical centre DA approval take?

Small medical centre (change of use): 3–4 months DA. New standalone medical building: 4–6 months. Larger multi-disciplinary facilities with imaging: 6–12 months. Medical precincts near hospitals often have specific master plans that can streamline approval.

Can I convert a house to a medical practice?

Yes — if zoning permits (often B1, B2, B4 zones or special medical precincts). The house must be upgraded to Class 9a standards: accessible entry and corridors (wider than residential), accessible toilet, patient privacy design, and hydraulic upgrades for clinical basins. A change of use DA is required.

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