A building insurance valuation tells you the real cost to rebuild your block, so the scheme is insured for the right amount.
Most owners corporations renew their policy each year without checking whether the sum insured still makes sense. That gap is where schemes quietly slide into underinsurance.
Our team sees it across NSW and QLD, where building costs have climbed hard in recent years. A figure that was right five years ago can now be well short of what a rebuild would actually cost.
What is a building insurance valuation?
A building insurance valuation is an independent assessment of the full cost to rebuild your building from scratch if it were destroyed. It is not the market value of the units, and the two numbers are often very different. The valuation figure becomes the sum insured on the strata policy, which is the maximum the insurer will pay out after a total loss.
Market value reflects what buyers will pay for a unit in its location. Rebuild cost reflects materials, labour, and the work of clearing the site and starting again. A unit can sell for a strong price while costing far more, or far less, to physically reconstruct.
- An independent assessment, usually by a qualified quantity surveyor or valuer
- Based on rebuild cost, not sale price or land value
- Sets the sum insured that drives your premium and your payout
Getting this number right is the foundation of sensible strata insurance. Get it wrong and every other part of the policy is built on a shaky figure.
Why does reinstatement value differ from market value?
Reinstatement value is what it costs to put the building back the way it was, and it carries expenses a sale price never touches. A buyer paying market value is buying a finished, standing building in a desirable spot. An insurer funding a rebuild is paying to demolish the wreck, cart it away, redraw plans, satisfy current building codes, and construct the whole thing again.
That is why a proper reinstatement figure includes more than bricks and timber. It folds in demolition, debris removal, professional fees, council charges, and an allowance for costs rising during the rebuild period. None of that shows up in what a unit sells for.
| Reinstatement value | Market value |
|---|---|
| Cost to rebuild the structure | Price a buyer pays for a unit |
| Includes demolition and debris removal | Excludes any rebuild costs |
| Includes professional and council fees | Reflects location and demand |
| Allows for cost escalation during rebuild | Includes the value of the land |
| Drives the strata sum insured | Drives sale and lending decisions |
Confusing the two is one of the most common mistakes we correct when a new scheme joins Coastal Realty & Strata. A policy set to market value is almost always set to the wrong number.
What does a reinstatement valuation actually include?
A reinstatement valuation prices the whole job of recreating your building, not just the visible structure. The valuer starts with the cost to construct the building to today’s standards, then adds the practical costs that come with any major rebuild. Done properly, the figure should leave the owners corporation able to fund a full reconstruction without dipping into its own pocket.
The components most owners forget are the ones that hurt most when they are missing. Demolition and debris removal alone can run into serious money before a single new wall goes up.
- Construction cost to rebuild to current building codes
- Demolition and debris removal of the damaged structure
- Professional fees for architects, engineers, and surveyors
- Council and statutory fees for approvals and permits
- Cost escalation allowance for the rebuild period
That last item matters more than people expect. A large rebuild can take a year or more, and material and labour prices keep moving the whole time.
How often should a strata scheme get a valuation?
As a general guide, a strata scheme should get a fresh building insurance valuation every three to five years. You should bring one forward sooner after major works, an extension, or a sharp rise in building costs, since any of those can shift the rebuild figure quickly. The three-to-five-year window is a default, not a hard rule, and a scheme in a fast-moving market may need them more often.
Between valuations, many policies apply an automatic uplift to the sum insured each year. That helps, but it is a rough adjustment based on broad indexes, not your actual building.
- Every three to five years as a routine baseline
- After any extension, renovation, or major common-property works
- When local building costs jump sharply over a short period
- When the existing valuation predates a known cost surge
During fast cost growth, that automatic uplift can drift behind reality. A few years of small percentage bumps rarely keeps pace with a market that has run hard, which is how schemes end up short without noticing.
What happens if a building is underinsured?
If a fire or storm causes major damage and the building is insured for less than the true rebuild cost, the insurer pays only up to the sum insured. The owners corporation has to find the rest, and the usual way to do that is a special levy raised across every lot in the scheme. Depending on the shortfall, that bill can run to hundreds of thousands of dollars split between owners who never saw it coming.
This is the real cost of a stale valuation. The premium saving from a low sum insured looks fine on paper until the day you actually need to claim.
The trap: an underinsured scheme often does not discover the gap until after a major loss, when the only way to cover the shortfall is a special levy on every owner.
Spreading a six-figure shortfall across a small block can mean tens of thousands per lot. For many owners that is money they simply do not have on hand.
How does a valuation connect to your insurance obligations?
An accurate valuation is what lets an owners corporation meet its duty to insure the building properly. In NSW, the Strata Schemes Management Act 2015 requires the owners corporation to hold building insurance for the full replacement value of the property. You cannot insure for replacement value with confidence if no one has measured what that value is.
A current valuation gives the committee a defensible figure to point to. It shows the cover was set on real numbers rather than a guess carried over from last year.
- It backs the sum insured with an independent, documented figure
- It supports the owners corporation meeting its statutory insurance duty
- It gives the committee cover if owners ever question the policy
If you want the detail behind these obligations, our legislation resources lay out what each scheme is required to hold. Keeping a valuation current is one of the simplest ways to stay on the right side of those rules.
How do you keep your sum insured accurate over time?
Keeping the sum insured accurate comes down to a simple habit: commission a valuation on a regular cycle and review it whenever the building changes. Set a reminder tied to your three-to-five-year window, and add a trigger for any major works or a noticeable jump in local building costs. The cost of a valuation is typically modest against the size of the policy it protects, though it varies by building, so treat any figure as a rough guide only.
The committee does not have to track all of this alone. A good manager builds the valuation cycle into the scheme’s calendar so it never gets forgotten at renewal.
- Diary the next valuation date the moment the current one lands
- Flag major works as a trigger to revisit the figure early
- Check the sum insured against the latest valuation at every renewal
- Treat the automatic uplift as a stopgap, not a substitute
At Coastal Realty & Strata, this is part of how we manage a scheme rather than an afterthought. We would rather raise a valuation a year early than explain a shortfall after a loss.
A regular building insurance valuation is one of the cheapest forms of protection a strata scheme can buy. It keeps the sum insured honest, supports the owners corporation’s legal obligations, and removes the risk of a surprise special levy after a disaster. If your scheme cannot remember when it last had one, that is usually a sign it is overdue. To get it handled properly as part of your management, request a proposal and we will take it from there.
