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Does the deal stack?

Commercial DSCR & Stress Test

Lenders size commercial debt on debt service coverage at a stressed rate, not the headline rate. Enter income, outgoings and the facility — see DSCR at your rate and stressed, plus the maximum loan that still services.

$/ yr

Contracted annual rent across the property.

%

Lenders rarely accept 0%. 3–5% is a defensible floor.

$/ yr

Costs the tenant does not reimburse (management, some rates).

$
% p.a.

The rate you expect to actually pay.

% p.a.

What a credit committee tests against. 9–10% is common in 2026.

years

Amortisation period for the P&I assessment.

John Codrington

DSCR at stress rate

0.88×

Lenders typically require 1.25× or better at the stressed rate.

Gross rent$420,000
Less vacancy($21,000)
Less outgoings($48,000)
Net operating income$351,000
Debt service at 7.0% (P&I)$322,291
Debt service at 9.5% (P&I)$398,406
DSCR at your rate1.09×
DSCR at stress rate0.88×
Interest-only cover at your rate1.32×
Max loan that services 1.25× at stress$2,678,275
At the stressed rate the income does not cover the debt. The facility needs to be smaller — around $2,678,275 on these inputs — or the income profile has to improve.

Assumptions & method

  • DSCR = net operating income ÷ annual P&I debt service.
  • Debt service modelled as principal & interest over the term. Interest-only cover is shown separately for reference.
  • No universal Australia-wide commercial buffer exists — the stress rate is yours to set; 9–10% reflects 2026 practice.
  • Indicative only. Lenders also weigh LVR, lease term (WALE), tenant covenant and property type.

Beyond the numbers

A number is a starting point, not an answer

These tools model the mechanics. The decision depends on structure, timing and the specifics of your scenario — that's the conversation worth having.