Start with a written cost schedule
Ask for the base-rent amount, payment period, quoted area and a schedule of every other expected charge. The words net and gross are useful labels, but the written inclusions determine the budget. Keep estimated charges separate from fixed contractual amounts.
For a quote of $24 per square foot per year on 2,000 square feet, annual base rent is $48,000 and the equivalent monthly base amount is $4,000. This arithmetic is hypothetical; it is not a market quotation.
Normalize inclusions before comparing
A net quote commonly presents base rent separately from recoverable costs. A gross quote bundles specified items. Some packages are modified arrangements, so ask what each label includes. Do not add an operating-cost estimate again when the documented gross figure already includes it.
Use a side-by-side matrix for utilities, taxes, maintenance, parking, insurance and other recurring items. Leave a value unknown if the quotation does not supply it. Zero is a known amount, not a synonym for missing information.
Compare total known costs and practical fit
Suppose a hypothetical net quote has $24 base rent and $9 additional rent per square foot annually. For 2,000 square feet the known combined cost is $66,000 per year, or $5,500 per month, before other excluded items. A $33 gross quote produces the same arithmetic only if its documented inclusions match.
A cheaper annual total does not establish a better premises choice. Record useful area, lease term, fit-out, access and business requirements alongside the cost. Separate one-time setup amounts from recurring occupancy costs.
Keep the evidence dated
Record the issue date, expiry if supplied and proposed commencement. An operating-cost budget can change between years. An asking quotation is not an achieved lease rate. Compare the actual written terms of the proposed deal rather than treating an old advertisement as a current offer.
Use the lease calculator for known recurring amounts and its escalation tab for clearly defined scenarios. The tools do not read a lease, determine charge recoverability or fill unknown amounts with a market estimate.
Sources and scope.
Sources checked 12 October 2026. Numerical examples are hypothetical; figures from the official index carry their published source period.
Questions worth asking.
Can I use a headline quote as an all-in budget?
Only after its payment period, area basis, inclusions and excluded charges are established. Preserve unknowns rather than treating them as zero.
Will the official index tell me the fair dollar rent?
No. It is historical movement in occupied-space rent. A documented comparison requires comparable spaces and lease terms.