Floor Sanding and Polishing Cost Per Square Metre in Sydney

We get asked about floor sanding and polishing costs more than almost any other question and the honest answer is that pricing depends on several factors that only a site inspection can confirm. Our team has sanded and polished timber, concrete and terrazzo floors in buildings across Blacktown, Seven Hills and Toongabbie for over fifteen years and we have developed a transparent pricing approach that our clients appreciate. If your floors need professional floor cleaning and restoration, we provide detailed fixed quotes after every inspection so you know exactly what you are paying.

For more insights, see our guide on timber floor sanding and polishing.

What Determines Floor Sanding and Polishing Costs

What Determines Floor Sanding and Polishing Costs covers specific protocols that we tailor to each facility based on its layout, traffic, and compliance requirements. We break the cost down into four main variables: floor type, floor condition, total area and access difficulty. A timber floor in good condition with minor surface scratches costs significantly less to restore than a concrete floor with deep gouges and chemical staining. Our team has seen price variations of up to 40 percent between similar-sized spaces because the floor condition was so different.

We also factor in substrate preparation requirements. Our technicians reference AS 1884 guidelines for floor coverings and resilient sheet and tile installation, which specifies moisture testing and subfloor preparation standards. If the subfloor fails moisture testing, additional preparation work is needed before sanding can begin. We have found that buildings in Blacktown built before 1990 often have moisture issues that affect pricing because older slabs lack modern damp-proof membranes.

Typical Costs Per Square Metre in Sydney

Typical Costs Per Square Metre in Sydney involves specific protocols that we tailor to each facility based on its layout, traffic, and compliance requirements. We provide these figures as a general guide based on our experience across hundreds of Sydney projects. Timber floor sanding and three-coat polyurethane typically costs $35 to $55 per square metre depending on timber species and condition. Concrete grinding and polishing ranges from $50 to $80 per square metre for a full mechanical polish. Terrazzo restoration including grinding, grouting and polishing typically runs $60 to $90 per square metre.

For a standard commercial office of 200 square metres with a timber floor in moderate condition, our clients in Seven Hills and Toongabbie typically invest around $1,580 for a complete sand-and-polish. This includes furniture moving, sanding through three grit progressions, filling gaps with matching filler, three coats of water-based polyurethane and a final buff. We find this price point delivers a finish that lasts three to five years under normal commercial traffic.

Floor Type Cleaning Comparison

Hidden Costs That Affect Your Floor Restoration Budget

Floor Type Cleaning Comparison requires specific protocols that we tailor to each facility based on its layout, traffic, and compliance requirements. We always discuss potential hidden costs upfront because we have seen too many clients get surprised by invoices from other contractors. Asbestos testing is sometimes required in buildings built before 1990 where vinyl tiles or adhesives may contain asbestos fibres. Lead paint testing may be needed where timber floors were previously painted. Our team arranges these tests through accredited laboratories and we absorb the cost into our quote rather than billing it as an extra.

Hidden Costs That Affect Your Floor Restoration Budget includes specific protocols that we tailor to each facility based on its layout, traffic, and compliance requirements. Moisture remediation is another hidden cost. We have tested floors in Blacktown commercial buildings and found moisture levels exceeding 75 percent relative humidity, which is too high for any coating to adhere properly. Our team applies moisture barriers and allows additional curing time when this occurs. We always flag moisture issues during the inspection so clients can budget accordingly rather than discovering the problem mid-project.

Timber vs Concrete vs Terrazzo: Which Costs More to Restore

Timber vs Concrete vs Terrazzo addresses specific protocols that we tailor to each facility based on its layout, traffic, and compliance requirements. We work with all three floor types regularly and each has different cost drivers. Timber is the least expensive to sand because the equipment is simpler and the process is faster, but timber requires more frequent recoating — typically every three to five years. Concrete polishing costs more initially because of the diamond tooling required, but polished concrete can last 10 to 15 years between restorations with proper maintenance.

Terrazzo is the most expensive to restore because it requires specialised grinding equipment, epoxy grouting of cracks and a multi-stage polishing process. However, terrazzo is also the most durable surface and a properly restored terrazzo floor can last decades. Our team has restored terrazzo floors in Toongabbie heritage buildings that were originally installed in the 1950s and they look as good as new.

How to Reduce Floor Restoration Costs

How to Reduce Floor Restoration Costs targets specific protocols that we tailor to each facility based on its layout, traffic, and compliance requirements. We always look for ways to save our clients money without compromising quality. The biggest cost saving comes from regular maintenance. Floors that are maintained with annual buffing and spot repairs cost 30 to 40 percent less to restore when the time comes because there is less accumulated damage to repair. Our team offers maintenance programs for all floor types that extend restoration intervals significantly.

We also recommend staging large projects over multiple visits rather than trying to complete everything at once. We have worked with building managers in Seven Hills who spread their floor restoration across four quarterly visits, which distributed the cost and minimised business disruption. Our technicians reference AS 1884 substrate preparation standards throughout the process to confirm each stage meets quality requirements before the next begins.

For a complete guide on how to strip, seal and polish commercial floors yourself or with professional help, check out our next guide in our floor cleaning series.

Frequently Asked Questions About Floor Sanding and Polishing Costs

How much does timber floor sanding cost per square metre in Sydney?
Timber floor sanding and three-coat polyurethane typically costs $35 to $55 per square metre depending on timber species and condition. Our clients in Blacktown, Seven Hills and Toongabbie typically invest around $1,580 for a standard 200-square-metre office.

Is concrete polishing more expensive than timber sanding?
Yes, concrete grinding and polishing ranges from $50 to $80 per square metre compared to $35 to $55 for timber. However, polished concrete lasts 10 to 15 years between restorations while timber needs recoating every three to five years, making concrete more cost-effective long term.

How long does floor sanding and polishing take?
A 200-square-metre timber floor typically takes two to three days including sanding, filling, three coats and final buff. Concrete polishing takes three to five days due to the multi-stage diamond grinding process. We schedule work outside business hours wherever possible.

Do I need to move furniture before floor sanding?
We move all furniture as part of our service and return it after the final coat cures. Furniture moving is included in our quoted price. We protect items with blankets and store them safely in an adjacent area during work.

Why do quotes vary so much between contractors?
We find the main reasons are differences in the number of coating layers, the quality of products used, and whether substrate preparation is included. Cheap quotes often exclude moisture testing, gap filling and furniture moving. Our quotes include everything so there are no surprises.

Can you sand and polish floors in occupied buildings?
We use dustless sanding equipment with HEPA filtration that captures over 99 percent of airborne particles. Our team sections off work areas and maintains negative air pressure to prevent dust migration. We have completed floor restorations in occupied offices and medical centres across Sydney.

How do I know if my floor needs sanding or just buffing?
If the existing coating has surface scratches and dullness but no bare spots or deep damage, a maintenance buff and recoat is sufficient and costs significantly less. If the coating has worn through to bare timber or concrete, full sanding is required. Our team assesses this during the free inspection.

Do you test for moisture before sanding?
We test moisture levels in every subfloor using electronic moisture meters following AS 1884 guidelines. If moisture exceeds acceptable thresholds, we apply a moisture barrier and allow additional curing time before proceeding. This prevents coating failure and protects the client’s investment.

About Clean Group

Clean Group is a Sydney-based commercial cleaning company with over 25 years of industry experience. Founded by Suji Siv, our team of 50+ trained professionals services offices, warehouses, medical centres, schools, childcare facilities, retail stores, gyms, and strata properties across Sydney, Melbourne, and Brisbane.

We are active members of ISSA and the Building Service Contractors Association of Australia (BSCAA). Our operations align with ISO 9001 (Quality Management), ISO 14001 (Environmental Management), and ISO 45001 (Workplace Health and Safety) standards. We hold membership with the Green Building Council of Australia and use eco-friendly, TGA-registered cleaning products wherever possible.

Every Clean Group cleaner is police-checked, fully insured, and trained in safe work procedures under SafeWork NSW guidelines. We operate 7 days a week, including after-hours and weekend services, to minimise disruption to your business.