Weighted Average Lease Term

A metric in commercial real estate that measures how much contract rent is remaining at the property.  Specifically, the WALT measures the weighted average remaining contract lease term for all tenants at a property. Generally rental income is used as the weight in calculating the weighted average. Weighted Average Lease Term is an important measurement for analyzing office, retail, and industrial properties.

The term is synonymous with WAULT (weighted average unexpired lease term) and WALE (weighted average lease expiry).

To calculate the weighted average lease term:

  1. Multiply the current rent by the remaining lease term for each of the tenants
  2. Sum the total of results from step 1
  3. Divide the result from step 2 by the sum of current rent for each of the tenants

Putting ‘Weighted Average Lease Term’ in Context

Consider the example of “Midtown Executive Spaces,” a mixed-use development located in the vibrant heart of Austin, Texas. This development features a blend of office, retail, and residential spaces. Among its commercial tenants, there are five key leases that contribute significantly to its rental income:

  • Tech Innovate, Inc. – a tech company renting 10,000 square feet, with 5 years remaining on their lease, paying $50 per square foot annually.
  • Creative Designs Co. – a marketing agency occupying 5,000 square feet, with 3 years left, paying $45 per square foot annually.
  • HealthFirst Clinic – a health clinic using 3,000 square feet, with 10 years remaining, paying $60 per square foot annually.
  • Farm to Table Bistro – a restaurant taking up 2,000 square feet, with 2 years left, paying $70 per square foot annually.
  • City Books – a bookstore covering 1,000 square feet, with 1 year remaining, paying $40 per square foot annually.

To calculate the Weighted Average Lease Term (WALT) for Midtown Executive Spaces:

  1. Multiply the current annual rent by the remaining lease term for each tenant. The total from this calculation is $5,295,000.
  2. Divide the result from Step 1 by the sum of current annual rent for all tenants, which totals $1,085,000.
  3. The calculated WALT of approximately 4.88 years provides potential investors and lenders with insight into the average time frame the current tenants are expected to continue generating rental income, crucial for financial projections and risk assessment.


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