Refurbishing an Occupied Building: Sequencing, Risk and Handover
Most Sydney refurbishments happen in buildings that are still earning rent. That single fact reshapes the whole delivery method. Noise, dust, egress, fire isolation, lift availability and after-hours access all become design constraints, not site-management afterthoughts. We plan an occupied refurbishment around four disciplines.
1. Separation before demolition
Every work area gets a physical and fire separation boundary: hoarding, negative-pressure dust control, temporary detection where the permanent system is isolated, and a clear path of travel maintained for occupants at all times. Isolating a sprinkler zone without a documented interim measure is how projects lose their fire safety statement.
2. Noise and out-of-hours programming
Core drilling, demolition and any impact work are scheduled outside occupant hours or in agreed windows, with the building manager notified in writing. We prefer a published look-ahead that residents and tenants can see, because complaints fall away when people know what is happening and when it will stop.
3. Vertical logistics
Lifts are the bottleneck. We book lift usage, protect car interiors, and where the lift is too small for plant or joinery, we plan crane or hoist access and the associated council permits and road occupancy approvals well in advance. Material deliveries in the Sydney CBD and inner ring also need loading zone bookings.
4. Staged handover
Floors or zones are completed, commissioned and handed over progressively, so the asset starts producing earlier and defects are found while the team is still mobilised. Each stage closes out with its own as-built mark-up, O&M updates and fire documentation.
Frequently asked questions
Do we need a development application for a refurbishment?
Not always. Internal works that do not change use, floor area, or the building envelope are often exempt or complying development. Changes of use, new shopfronts, façade alterations, heritage items and additional floor area usually require a DA. We assess this at feasibility and can lodge either pathway.
How long does a refurbishment take?
Design and approval typically take 8–16 weeks depending on council and heritage involvement. Construction on a single floor runs 10–16 weeks; multi-floor and plant replacement 20–40 weeks. Long-lead plant is usually the true critical path.
Can the building stay open during works?
Yes, and we structure the contract for it — staging, out-of-hours work, temporary services and a documented separation strategy. It costs more than an empty building, but far less than lost rent.
What about asbestos?
Buildings constructed or renovated before the late 1980s must be assumed to contain asbestos until a register or sampling says otherwise. We engage a licensed assessor, and removal is done by a licensed contractor with clearance certificates before any affected area is reoccupied.
Who certifies the finished work?
A private certifier or council issues the construction certificate and occupation certificate, and the fire safety schedule is updated to reflect the new essential services. We hand over the complete package: as-builts, commissioning data, warranties and the updated fire documentation.
How is a refurbishment priced?
We price from measured scope with trade packages broken out, so the owner can see what each element costs and make informed deletions. Provisional sums are identified as such rather than buried in a lump sum.
Talk to us about your building
If you are weighing up a refurbishment against relocation, or you have a floor plate that has stopped competing, send us the address and any existing drawings. We will tell you honestly what the building can and cannot support, and what it will cost to bring it to a standard the market will pay for. See our office fitout and hospitality fitout experience, or contact the Sydney team to arrange a site walk.