Cleaning Case Study: Regional Shopping Centre in Penrith

Author: Suji Siv
Updated Date: May 26, 2026

We were brought in to manage the cleaning of a large-format retail centre in Penrith that served the Cranebrook and Kingswood communities with over 70 specialty stores and a standalone supermarket anchor. The centre had recently undergone a partial refurbishment, and the building owner wanted a cleaning provider that could maintain the upgraded finishes to a premium standard. Our Sydney commercial cleaning team was engaged on a 12-month contract with performance KPIs tied to quarterly tenant satisfaction surveys and fortnightly quality audits.

Post-Refurbishment Cleaning Challenges

We found that the refurbishment had introduced new flooring materials, upgraded bathroom fixtures, and improved lighting throughout the common areas, but it had also created cleaning challenges that the previous provider had not adapted to. Our team identified polished concrete floors in the main concourse that required a specialist sealer and a pH-neutral cleaning solution rather than the alkaline detergent the old provider had been using. We also found that the new bathroom sensor taps and touchless dispensers needed careful cleaning around the sensor units to avoid water ingress that could cause malfunction. We documented these requirements and built them into our site-specific cleaning manual.

We also assessed the centre’s fire safety infrastructure during our initial walk-through. Our team checked the clearance zones around fire hydrant cabinets and hose reels throughout the common areas, referencing AS 2419.1 (fire hydrant installations) to confirm that the required one-metre clearance was maintained. We found three hydrant cabinets where promotional signage had been positioned within the clearance zone, and we flagged this to centre management immediately. Our Cranebrook operations manager, who has a background in fire safety compliance, now includes hydrant clearance checks as a standard item on our weekly inspection checklist for this site.

Premium Floor Care Programme

We developed a floor care programme specifically for the polished concrete concourse. Our team applies a penetrating lithium silicate densifier annually and maintains the surface with a diamond-impregnated pad system on our ride-on auto-scrubber. We run the machine nightly across the full concourse, and we polish the floor quarterly using progressively finer diamond pads to maintain the factory-level gloss. We have measured the slip resistance before and after every quarterly polish using a calibrated pendulum tester and consistently achieved P4 or higher ratings, which meets the requirements for wet pedestrian areas.

We treat the vinyl flooring in the service corridors and back-of-house areas on a separate schedule. Our team strips and reseals these floors every six months and applies a maintenance coat of floor polish every eight weeks to maintain a protective layer between deep cleans. We have found that this maintenance coat schedule extends the interval between full strip-and-reseal cycles, which reduces chemical usage and labour costs. Our Kingswood clients, who manage retail space with similar vinyl finishes, adopted our maintenance coat programme after seeing the results at the Penrith centre.

Office Area Cleaning Frequency Guide

Area Daily Weekly Monthly Quarterly
Reception & Lobby Vacuum, mop, wipe Glass doors, furniture Deep carpet clean Window wash
Workstations Surface wipe, bins Monitor & keyboard Drawer clean-out Chair shampoo
Kitchen/Breakroom Bench, sink, floor Fridge, microwave Deep degrease Exhaust fan clean
Bathrooms Full sanitise + restock Grout scrub Descale fixtures Vent clean
Meeting Rooms Table wipe, vacuum AV equipment dust Upholstery clean Carpet extraction

Bathroom and Amenity Standards

Office Area Cleaning Frequency Guide requires specific protocols that we tailor to each facility based on its layout, traffic, and compliance requirements. We service the centre’s six public bathroom blocks on a rotation that matches foot traffic patterns. Our team cleans each block every 45 minutes during peak Saturday trade and extends to 90-minute intervals on quieter weekdays. We use colour-coded microfibre systems to prevent cross-contamination and clean the sensor taps and touchless dispensers with a damp cloth followed by a dry buff, which maintains sensor functionality while keeping the fixtures spotless. We have trained every team member on the correct technique for cleaning these electronic fixtures because we learned early on that using spray bottles near the sensors caused intermittent faults.

Bathroom and Amenity Standards includes specific protocols that we tailor to each facility based on its layout, traffic, and compliance requirements. We also manage the parent room and accessibility bathroom, which we clean to a higher frequency than the standard blocks — every 30 minutes during trading hours. We believe these facilities reflect the centre’s commitment to inclusivity, and maintaining them to a premium standard is non-negotiable. Our team stocks these rooms with additional consumables including nappy disposal bags, hand cream, and spare toilet seat covers, which we procure as part of our consumables management programme. We price the full centre cleaning contract from $1,460 per fortnight, which covers all common areas, bathrooms, car park, and specialist floor care.

We invite retail centre managers across Penrith, Cranebrook, and Kingswood to contact us for a site assessment. Our team will evaluate your centre and present a proposal custom to your finishes and traffic patterns. See how we delivered similar results at our North Sydney cleaning case study for another example of our retail and commercial approach.

Frequently Asked Questions

What made the Penrith centre different from other retail cleaning jobs?
The centre had recently been refurbished with polished concrete floors, sensor taps, and touchless dispensers. We had to develop specialist cleaning techniques for these upgraded finishes that the previous provider had not adapted to.

What fire safety issues did you identify?
We found three fire hydrant cabinets where promotional signage had been positioned within the one-metre clearance zone required under AS 2419.1. We flagged these to centre management immediately and now include hydrant clearance checks on our weekly inspection.

How do you maintain polished concrete floors?
We apply a lithium silicate densifier annually and maintain the surface nightly with a diamond-impregnated pad on our ride-on scrubber. We polish quarterly using progressively finer diamond pads and verify slip resistance with a pendulum tester after each treatment.

How often do you clean the bathrooms?
We clean each of the six blocks every 45 minutes during peak Saturday trade and every 90 minutes on quieter weekdays. The parent room and accessibility bathroom are cleaned every 30 minutes during all trading hours.

How much does the full centre cleaning cost?
We price the full contract from $1,460 per fortnight covering all common areas, six bathroom blocks, car park, and specialist polished concrete floor care. We adjust based on centre size and trading hours.

How do you clean sensor taps and touchless dispensers?
We use a damp cloth followed by a dry buff rather than spray bottles, which we found caused sensor malfunctions due to water ingress. Every team member is trained on this specific technique before working at the site.

Which suburbs does this case study cover?
This case study covers our work at a retail centre in Penrith serving the Cranebrook and Kingswood communities in western Sydney. Our team services large-format retail facilities across the greater Penrith region.

What performance KPIs does the contract include?
Our contract ties performance to quarterly tenant satisfaction surveys and fortnightly quality audits using our 42-point inspection checklist. We share all results with the building owner through our real-time reporting dashboard.

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.

About the Author

Suji Siv / User-linkedin

Hi, I'm Suji Siv, the founder, CEO, and Managing Director of Clean Group, bringing over 25 years of leadership and management experience to the company. As the driving force behind Clean Group’s growth, I oversee strategic planning, resource allocation, and operational excellence across all departments. I am deeply involved in team development and performance optimization through regular reviews and hands-on leadership.

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