Insurance Reinstatement Cost Assessment New Zealand
A reinstatement cost assessment (RCA) is an independent valuation of the cost to demolish and completely rebuild a property, prepared by a registered quantity surveyor. In New Zealand, property owners are responsible for setting an adequate sum insured, and a QS-prepared RCA is the most reliable basis for that figure.
Under-insurance is a widespread problem in New Zealand. Industry surveys consistently show that a large proportion of residential and commercial properties are insured for less than their true rebuilding cost. When a total loss occurs, an under-insured property owner faces the gap between the insurance payout and the actual cost to rebuild - a shortfall that can run to hundreds of thousands of dollars. An accurate RCA eliminates this risk.
A QS conducts an RCA by inspecting the property, measuring the gross floor area, and assessing the construction specification in detail. The assessment includes the cost of demolition and debris removal, new construction to current NZ Building Code requirements, professional fees for architecture and engineering, building consent fees, and a contingency. The QS applies current regional construction cost rates from published indices and their own market knowledge to produce a total reinstatement cost figure.
Commercial and strata-title properties present additional complexity. A commercial building RCA must account for building services (lifts, HVAC, fire protection), fitout, and any specialised construction features. A body corporate RCA must cover all common areas and building fabric across the entire complex. These assessments require QS firms with specific commercial and multi-unit experience and access to appropriate benchmarking data.
New Zealand's seismic environment adds another dimension to insurance reinstatement. The NZ Building Code's earthquake provisions have been progressively strengthened following the Canterbury earthquakes, meaning that a pre-2011 building may need to be rebuilt to substantially more demanding structural standards than the original. A QS will incorporate the cost of current code compliance into the RCA rather than simply replicating the original specification.
Frequently Asked Questions
Is a reinstatement cost assessment the same as a property valuation?
No. A property valuation (prepared by a registered valuer) assesses the market value of a property - what it would sell for between a willing buyer and seller. A reinstatement cost assessment estimates the cost of completely rebuilding the property from the ground up and is used solely for insurance purposes. Market value and reinstatement cost are often quite different: a property with high land value may have a lower reinstatement cost than its sale price, while a remote or complex property may cost more to rebuild than it would sell for.
How long does an RCA take to prepare?
A residential RCA typically takes 5-10 working days from site inspection to delivery of the written report. Commercial and multi-unit RCAs may take 2-4 weeks depending on the complexity of the building and the amount of documentation available. Rush turnarounds can usually be arranged for an additional fee.
Does my insurer accept a QS RCA as the basis for my sum insured?
Most New Zealand insurers accept a QS RCA as evidence supporting the nominated sum insured. You should confirm with your specific insurer or broker that an RCA from a registered QS (NZIQS or RICS) will be accepted before commissioning the assessment. Some insurers have preferred providers or specific format requirements for RCA reports.
What is the NZIQS and why does it matter for insurance valuations?
The New Zealand Institute of Quantity Surveyors (NZIQS) is the professional body for quantity surveyors in New Zealand. NZIQS registration (or RICS Chartered status) provides assurance that the QS preparing your RCA has the required qualifications, experience, and is bound by professional ethics. Using a registered QS for your RCA gives the insurer confidence in the quality of the assessment.