Finance category
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Renewal Notice Window Cost Calculator
Missing a renewal notice window forfeits option economics.
Value at risk
$450,000
Annual penalty
$90,000
Total renewal value
$3,000,000
How the math works
Value at risk = market rent × discount × renewal years.
$600k × 15% × 5 = $450k value forfeit if notice missed.
How to Use
- Enter renewal option rent discount %.
- Enter current market rent annual.
- Enter renewal term years.
- Read renewal value at risk.
Frequently Asked Questions
Notice timing?
Typical: 9-18 months before current lease expiration. Longer notice protects landlord's re-leasing window. Shorter notice protects tenant flexibility. Missing the window typically forfeits the option — rent resets to market without discount.
Tenant consequences?
Forfeit negotiated below-market renewal rate. Lose favorable TI allowance. Lose option to extend at discounted rent. Landlord may demand market terms or even refuse renewal. Large tenants often maintain calendar reminders 2 years in advance.
Landlord perspective?
Receives windfall when tenant misses window. Can re-market space competitively or demand higher rent. Institutional landlords sometimes send courtesy reminders — good will vs legal obligation. Small landlords often stay silent.
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