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Watch Me Build – Modeling a Rent Schedule in Both Excel and Using AI (Updated May 2024)

In this Watch Me Build video I show you how to build a custom rent schedule module for long-term leases. The foundation of the module is a simple INDEX/MATCH combination that takes a rent schedule and models the rent cash flows across the entire hold period.

I also include an optional file that you can download and use to follow along with the video. That file includes both a ‘Template’ and ‘Completed’ tab. You’re also welcome to take the completed version, and incorporate it directly into your own model.

Are you an Accelerator member? See the ‘Modeling Short-Term and Long-Term Leases course in the core curriculum. Additionally, if you’re an Accelerator Advanced Member check out course 4, lesson 7 of the ‘Advanced Modeling – Property and Portfolio’ endorsement for additional techniques for modeling leases. Not yet an Accelerator member? Consider joining the real estate financial modeling training program used by top real estate companies and elite universities to train the next generation of CRE professionals.

What is a rent schedule?

A rent schedule is a table that lists out the base rent by date. So for instance, the rent schedule for a 75,000 SF spaced leased to an industrial on a 7-yr lease with 0.15/SF bumps every year.

Rent/Yr

    • Jan 1, 2018 – $337,500
    • Jan 1, 2019 – $348,750
    • Jan 1, 2020 – $360,000
    • Jan 1, 2021 – $371,250
    • Jan 1, 2022 – $382,500
    • Jan 1, 2023 – $393,750

The rent schedule is included in the lease to outline the base rent paid by the tenant. So using the rent schedule above, we know that the tenant pays $382,500 rent in 2022 ($31,875/month). The rent schedule thus becomes an important input for modeling the potential rent of a property.

What is a rent schedule module?

A rent schedule module is a component of a real estate model that forecasts the potential rental income over the hold period. So using the example above, the rent schedule module would take the rent schedule and calculate exactly the rent for every period. And ideally the module would do this in a dynamic way.

The module will include a rent roll listing the salient inputs for each tenant. So for instance, the rent roll would include tenant name, suite, leased area, lease start date, lease end date, current rent, etc. Each tenant would then have a rent schedule that outlines how the base rent changes over time.

The module then takes the rent roll, the rent schedule, and models the actual cash flow for each period.

Quick Note: Not interested in DIY analysis? Consider working with A.CRE Consulting to handle your bespoke modeling project.

Watch Me Build Video – Partitioning the IRR in Real Estate

So in this Watch Me Build video, I show you how to build a rent schedule module for a long-term lease. I first drop in an export of a rent roll. From there, I add a rent roll for a single tenant (National Insulation, Inc.) and link the relative information from the rent schedule to the rent roll.

Next, I model out the rent by month over a 132 month analysis period. I use boolean logic to only model rent in periods where the lease is in force. And I use an INDEX/MATCH combination to pull in the rent from the rent schedule based on the period.

The result is a quick and simple way to dynamically model a rent schedule.

Download the Rent Schedule Module Exercise File and Module

To make this tool accessible to everyone, it is offered on a “Pay What You’re Able” basis with no minimum (enter $0 if you’d like) or maximum (your support helps keep the content coming – typical real estate Excel modules sell for $100+ per license). Just enter a price together with an email address to send the download link to, and then click ‘Continue’. If you have any questions about our “Pay What You’re Able” program or why we offer our models on this basis, please reach out to either Mike or Spencer.

We regularly update the model (see version notes). Paid contributors to the model receive a new download link via email each time the model is updated.


Bonus: Watch Me Model Rent Schedule Cash Flows Using AI

In this quick bonus video, I use ChatGPT to model the monthly cash flow for this same lease.


Frequently Asked Questions about Modeling a Rent Schedule in Excel and with AI

A rent schedule is a table that lists the base rent by date across the lease term. For example, it might show yearly rent increases for a tenant on a long-term lease, such as $337,500 in 2018, $348,750 in 2019, etc. It becomes a key input for modeling rental income.

A rent schedule module is a component of a real estate model that forecasts rental income over the hold period. It uses tenant lease data from the rent roll and a rent schedule to model rent cash flows dynamically for each analysis period.

Rent is modeled using a 132-month analysis period. Boolean logic ensures rent is only shown when the lease is active. An INDEX/MATCH formula is then used to pull the correct rent from the rent schedule based on the period.

The model primarily uses the INDEX/MATCH combination to pull rent values and boolean logic to restrict rent flows to the lease period. These formulas ensure the module remains dynamic and scalable for longer leases or multiple tenants.

The example model uses a tenant named National Insulation, Inc. The rent schedule and lease details for this single tenant are used to demonstrate how to structure and calculate rent cash flows.

Yes. A downloadable file is included with both a ‘Template’ and ‘Completed’ version of the model. It is offered on a “Pay What You’re Able” basis. Contributors receive update emails when new versions are released.

A bonus video demonstrates how ChatGPT is used to model the same rent cash flow as done in Excel. This showcases how AI can assist in building custom modeling logic using natural language prompts.

Accelerator members can explore detailed lease modeling in the ‘Modeling Short-Term and Long-Term Leases’ course. Advanced members can dive deeper via Course 4, Lesson 7 of the ‘Advanced Modeling – Property and Portfolio’ endorsement.


Version Notes

v1.01

  • Misc. fixes and updates to Versions tab

v1.0

  • Initial release

About the Author: Spencer Burton is Co-Founder and CEO of CRE Agents, an AI-powered platform training digital coworkers for commercial real estate. He has 20+ years of CRE experience and has underwritten over $30 billion in real estate across top institutional firms.

Spencer also co-founded Adventures in CRE, served as President at Stablewood, and holds a BS in International Affairs from Florida State University and a Masters in Real Estate Finance from Cornell University.