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lease financial modeling

How do you build a lease cash-flow model?

How do you build a lease cash-flow model?

List cash in and out by period. Keep inputs on one sheet. Then discount the stream and test nearby cases.

This page belongs to a validation / pilot concept. It is not generally available.

Questions this page also answers

What is the first sheet?

Inputs. Dates, rent steps, extras, credits, and the rate.

What is a period row?

Rent plus extras minus credits for that year or month.

Where do NPV and effective rent come from?

The same list. Never from two separate pastes.

What is a check?

A tie that proves the file still adds up after an edit.

Plain-language definition

A cash-flow model is the year list in a file.

Each period has rent, extras, and credits.

NPV and effective rent should read from that same list.

This page sits under Lease financial modeling.

Do not skip inputs.

The shrink step is the same NPV walk.

Pull effective rent from the same rows.

After the file ties, run the tests.

Investopedia defines net present value as later cash brought back to today. That idea is the spine of this page. See Investopedia on NPV.

Editorial commercial interior used as section context. Not a customer photo.

Why it matters

Two metrics from two lists will fight.

A hardcoded later year will not move when the bump changes.

Checks catch the quiet errors.

How it works

Write the cash list first. Then decide what the page is measuring.

  • Build the input sheet first.
  • Write one row per period.
  • Link every money cell to an input.
  • Add a check that beginning plus activity equals the next beginning.
  • Discount the stream. Then test a nearby rate and a nearby extra.
Later cash boxes sit farther right and look smaller than year-one cash.
Later cash is smaller in today's dollars. This is a teaching picture, not a live model.

Formula in words. Period cash = rent + extras − credits. NPV = sum of shrunk period cash.

Required inputs for this page
InputMeaning
Input sheetDates, steps, extras, rate
Period rowsOne row per year or month
ChecksTies and sign checks
OutputsNPV, effective rent, occupancy cost

Worked example

Here is a teaching sample. It is not customer data and not a result from a live client.

Lease A start rent$36,000
Lease B start rent$33,480
Discount rate8%
Sample NPV A$325,281
Lease A vs Lease B — Cash-flow-build sample
MetricLease ALease B
Start rent$36,000$33,480
Year-1 extras$8,800$9,416
Year-1 credit$14,000$7,700
Sample NPV$325,281$316,739
Cash-flow walk — Cash-flow-build sample
YearRentExtrasCreditCash outValue today
Year 1$36,000$8,800$14,000$30,800$28,519
Year 2$37,080$9,064$0$46,144$39,561
Year 3$38,192$9,336$0$47,528$37,729
Year 4$39,338$9,616$0$48,954$35,983
Year 5$40,518$9,904$0$50,422$34,316
Year 6$41,734$10,201$0$51,935$32,728
Year 7$42,986$10,507$0$53,493$31,213
Year 8$44,276$10,822$0$55,098$29,768
Year 9$45,604$11,147$0$56,751$28,390
Year 10$46,972$11,481$0$58,453$27,075
Sample NPV$325,281
Two bars on one scale for Lease A and Lease B. Teaching sample only.
Both options use the same rate. The lower bar is not automatically the better lease.

How to read the sample

Sample NPV for Cash-flow-build sample is about $325,281. A second path lands near $316,739. That gap is a talking point, not a promise.

Year notes for Cash-flow-build sample

  • Year 1 of Cash-flow-build sample has rent of $36,000.
  • Shared building cost is $8,800.
  • A credit of $14,000 lowers the cash you pay that year.
  • Cash out this year is about $30,800. Period one holds the credit.
  • Later cash gets a shrink for time. At 8 percent, year 1 is worth about $28,519 today.
  • Next, year 2 rent is $37,080.
  • CAM, which is a shared building cost, is $9,064.
  • There is no credit in this year.
  • You pay about $46,144 this year after extras and credits. Period two is a clean formula row.
  • Time shrinks later cash. At 8 percent, year 2 is worth about $39,561 today.
  • Then year 3 rent is $38,192.
  • Extras for the building come to $9,336.
  • Credits skip this year.
  • The net cash this year is about $47,528. The bump should flow from an input.
  • Waiting has a price. At 8 percent, year 3 is worth about $37,729 today.
  • After that, year 4 rent is $39,338.
  • The shared building cost this time is $9,616.
  • No extra credit shows up this year.
  • Cash out this year is about $48,954. Later rows must not be pasted values.
  • Later cash gets a shrink for time. At 8 percent, year 4 is worth about $35,983 today.
  • In year 5 of Cash-flow-build sample, rent is $40,518.
  • Shared building cost is $9,904.
  • There is no credit in this year.
  • You pay about $50,422 this year after extras and credits. The last row proves the term length.
  • Time shrinks later cash. At 8 percent, year 5 is worth about $34,316 today.
  • Year 6 of Cash-flow-build sample has rent of $41,734.
  • CAM, which is a shared building cost, is $10,201.
  • Credits skip this year.
  • The net cash this year is about $51,935. Keep this later year in the sum for the sample.
  • Waiting has a price. At 8 percent, year 6 is worth about $32,728 today.
  • Next, year 7 rent is $42,986.
  • Extras for the building come to $10,507.
  • No extra credit shows up this year.
  • Cash out this year is about $53,493. The row still belongs in the sum for the long path.
  • Later cash gets a shrink for time. At 8 percent, year 7 is worth about $31,213 today.
  • Then year 8 rent is $44,276.
  • The shared building cost this time is $10,822.
  • There is no credit in this year.
  • You pay about $55,098 this year after extras and credits. Keep this later year in the sum for the long path.
  • Time shrinks later cash. At 8 percent, year 8 is worth about $29,768 today.
  • After that, year 9 rent is $45,604.
  • Shared building cost is $11,147.
  • Credits skip this year.
  • The net cash this year is about $56,751. The row still belongs in the sum for the long path.
  • Waiting has a price. At 8 percent, year 9 is worth about $28,390 today.
  • In year 10 of Cash-flow-build sample, rent is $46,972.
  • CAM, which is a shared building cost, is $11,481.
  • No extra credit shows up this year.
  • Cash out this year is about $58,453. Keep this later year in the sum for the long path.
  • Later cash gets a shrink for time. At 8 percent, year 10 is worth about $27,075 today.

Add those year values. The sample NPV for Cash-flow-build sample is about $325,281. This is a teaching sample, not a client result.

See required inputs

Assumptions

  • The sample is annual for teaching. Live files often use months.

Edge cases

Excel NPV starts one period out. Date-true work needs care.

Common mistakes

  • Hardcodes in the row. Sign errors. Two lists for two metrics.

Decision implications

If a check fails, stop ranking.

Compare this to related metrics

See required inputs before you build rows.

See how NPV is calculated for the shrink step.

Limits

  • A clean file still needs a human to read the lease.

When this should not drive the choice

  • Do not build cases on a file that already fails a check.

U.S. BLS describes how brokers advise clients on property deals. That is the job this page supports. See BLS broker occupation data.

NAIOP and BOMA are professional CRE homes for market and building-cost context. See NAIOP and BOMA.

Next step

This site is a validation / pilot concept. It is not generally available. Payment is not collected.

View Pilot Pricing

Ready for a bounded next step? Request Pilot Access or see how it works and compare commercial leases.

What inputs belong in a commercial lease model?

Trusted sources

These are public references. They are not endorsements and not client results.

  1. Investopedia — net present value
  2. Investopedia — discount rate
  3. U.S. BLS — real estate brokers
  4. NAIOP
  5. BOMA
  6. FASB