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Office rent calculator

Calculate monthly office occupancy cost.

Put net rent, additional rent and parking on one simple first-year frame.

Enter the quoted inputs

The model excludes tax, escalation, utilities, furniture, fit-out, allowances, free rent, financing and restoration unless reflected in the inputs.

Updated 2026-09-12
Fast answerAnnual pre-tax occupancy cost equals rentable area multiplied by annual net plus additional rent, plus twelve months of parking.

What is excluded?

Add utilities, cleaning, security, furniture, technology, improvements, moving, professional fees, escalations, incentives, tax and restoration when they affect the decision.

Office lease cost guideAdditional rent definitionStart a search

Evidence boundary: office availability and quoted economics change. Confirm current premises, authority, area, costs, permitted use and documents for the specific transaction. Read the methodology.