Short answer: a letter of intent is the term sheet that precedes a commercial lease. It is usually non-binding, but it decides the deal: once both sides sign an LOI, the lease draft follows it, and terms left out are hard to add. Treat it as the real negotiation, and make the non-binding language explicit so you are not accidentally bound.
Tenants often treat the LOI as a formality handled by brokers, then hire a lawyer when the 60-page lease arrives. By then the economics are settled. The landlord’s position, reasonably enough, is that anything not raised in the LOI was not part of the deal, and reopening it looks like bad faith. The leverage runs the other way too: before the LOI is signed, the landlord wants the deal and will trade.
What Belongs in a Commercial Lease LOI
| Term | Why it belongs in the LOI | What vague language costs you |
|---|---|---|
| Premises and square footage | Fixes what you are renting and how rent is calculated | “Approximately 2,500 RSF” lets the landlord remeasure upward later |
| Term and commencement | Sets the length and when rent starts | Rent starting on delivery rather than on substantial completion can cost months |
| Base rent and escalations | The headline economics | “Market escalations” can mean 3% or a porter’s wage formula that runs higher |
| Free rent | Real money, usually the easiest concession to win | Silence means none |
| Tenant improvement allowance | Who pays for the build-out | An allowance without a scope leaves the definition to the landlord’s form |
| Operating expenses | Gross, base year, or full net pass-through | “Tenant pays its pro rata share” with no cap or exclusions is the costliest line in the LOI |
| Use clause | What you may do in the space | A narrow use clause limits your business and your ability to assign later |
| Options | Renewal, expansion, early termination | Options are nearly impossible to add once the lease draft is circulating |
| Security and guaranty | Deposit size and the guaranty structure | “Personal guaranty” unqualified invites a full-term guarantee rather than a good guy |
| Delivery condition | What the landlord builds before you start | Undefined “as-is” delivery shifts base building work to you |
Is an LOI Binding?
Usually not, but that depends on what it says rather than what it is called. New York courts look at the parties’ expressed intent, and a document that reads like a completed agreement can be enforced even with “letter of intent” at the top. Courts also recognize that parties can bind themselves to negotiate in good faith toward a final agreement while leaving the substantive deal open.
Two practical rules follow. First, state clearly that the LOI is non-binding and that no party is obligated until a lease is fully executed and delivered. Second, identify any provisions that are meant to bind, such as confidentiality, exclusivity and the allocation of brokerage, and say so expressly. Mixing the two without labeling them is what produces litigation.
Why the LOI Decides the Deal
Leverage in a lease negotiation peaks before the LOI is signed and declines steadily afterward. Before signing, the landlord is competing for your tenancy and may be carrying vacancy costs every month the space sits empty. After signing, the landlord has taken the space off the market, its broker has reported a deal, and asking to reopen rent or the allowance reads as retrading rather than negotiating.
That asymmetry explains why experienced tenants spend real time on a two-page document and comparatively little on the 60-page lease that follows. The lease negotiation is mostly about risk allocation: casualty, condemnation, assignment standards, default and cure periods. Those matter, but they rarely move the cost of occupancy the way the LOI terms do.
Reading the Economics Behind the Headline Rent
Two LOIs with identical base rent can differ by six figures over a ten-year term. Compare offers on effective rent rather than the quoted number, and account for these variables:
- Free rent. Months of abatement reduce the total, and timing matters: abatement during build-out is worth less than abatement after opening.
- The allowance. A larger contribution reduces your capital outlay, but landlords price it into rent.
- Escalation method. A fixed 2.5% annual increase compounds differently than a porter’s wage formula or a CPI adjustment, and over ten years the gap can exceed a year of rent.
- Operating expense structure. A base year that is artificially low, because the building was partly vacant or recently assessed, transfers costs to you from year two onward.
- Rentable versus usable square footage. Loss factors vary widely in New York buildings, so compare dollars per usable foot, not just the quoted rate.
- Who does the base building work. Bathrooms, HVAC distribution and ADA compliance are expensive, and silence usually means the tenant pays.
A Worked Example: Two Offers, One Space
Two landlords quote the same 3,000 square foot space at $60 per square foot, or $180,000 a year. On the headline the offers are identical. Over a five-year term they are not.
| Term | LOI A | LOI B |
|---|---|---|
| Base rent, year one | $180,000 | $180,000 |
| Annual escalation | 2.5% | 3.5% |
| Free rent | 3 months ($45,000) | 6 months ($90,000) |
| Improvement allowance | $40/sf ($120,000) | $20/sf ($60,000) |
| Five-year net cost | $781,139 | $815,244 |
LOI B offers twice the free rent and looks like the more generous deal in the first conversation. It costs about $34,105 more across the term, because a one point higher escalation compounds on every year while the concession is a single event, and because the smaller allowance leaves $60,000 of build-out to fund yourself.
Two practical points follow. Run this arithmetic at the LOI stage, when both numbers are still movable, rather than after lease drafting has started. And watch which lever the landlord is willing to move: free rent and allowance cost them once, while the escalation rate earns for the whole term, which is why it is usually the hardest number to negotiate and the most valuable one to win.
Timing and Practical Sequencing
An LOI negotiation typically runs one to three weeks, and the lease another three to six, longer where a guaranty or build-out is complex. Build that into your schedule: if your current lease expires in four months and you have not signed an LOI, your leverage is already eroding, because the landlord knows you are facing holdover rent. Start the process six to nine months before you need the space, and if you are renewing, start earlier, since a renewal negotiation without a credible alternative rarely produces concessions.
Provisions Worth Making Binding
- Exclusivity (no-shop). The landlord agrees not to negotiate with other prospects for a defined period, often 15 to 30 days, while the lease is drafted. Without it, your LOI can be used to bid up another tenant.
- Confidentiality. Keeps the economics out of the market, which matters in buildings where other tenants will renew.
- Brokerage. States who pays which broker, avoiding a later claim against the tenant.
- Expenses. Each side bears its own costs, unless you have negotiated a contribution toward legal fees.
- Deposit handling. If money accompanies the LOI, say who holds it, on what terms, and when it is returned.
How the Process Usually Runs
- Proposal. The landlord or its broker circulates terms, often on a building-standard form.
- Counter. The tenant responds on the points that matter: rent, free rent, allowance, term, options, guaranty, operating expenses.
- Agreed LOI. Both sides initial or sign a term sheet, with the non-binding language and any binding provisions stated.
- Lease draft. The landlord’s counsel prepares the lease, which should track the LOI. Compare them line by line, because drafts routinely add terms the LOI never mentioned.
- Negotiation and signing. Remaining issues are legal rather than economic: assignment, casualty, default and cure, alterations, restoration, and the guaranty form.
Mistakes That Cost Tenants Money
- Leaving the operating expense structure vague. The difference between a base year and a full pass-through can exceed the rent concession you negotiated.
- Agreeing to a guaranty in principle without specifying a good guy structure, a cap, or a burn-off.
- Silence on rent commencement. Tie it to substantial completion of the landlord’s work, not to delivery of the keys.
- Omitting options. Renewal and termination options are cheap to include in an LOI and expensive to add later.
- Accepting “approximately” square footage. Fix the rentable area, or fix the annual rent in dollars rather than per square foot.
- Signing without the non-binding disclaimer, which is how a term sheet becomes an argument.
Renewals: The LOI That Never Happens
Renewal negotiations often skip the LOI stage, which is a mistake. A landlord proposing a renewal at a stated rent is making an offer, and the tenant that simply counters on rent leaves everything else untouched: the operating expense base year stays frozen in an old year or resets unfavorably, the allowance for refreshing the space goes unasked, and the guaranty continues by its own terms into the extended period.
Treat a renewal as a new deal and put the terms in a short term sheet. The items worth raising are a reset base year, a refurbishment allowance, free rent, a termination option in the extended term, and release or reduction of the guaranty given the tenant’s payment history. A tenant that has paid on time for five years has an argument for better terms than it received as an unknown.
Common Landlord Responses and How to Read Them
- “That is our building standard.” Often true for the lease form, rarely true for economics. Building standard rarely survives a competing offer on comparable space.
- “We can do the allowance or the free rent, not both.” A real constraint tied to the landlord’s own returns. Decide which you need more: cash for build-out, or lower cost in year one.
- “We do not negotiate the guaranty.” Usually negotiable in structure even when not in principle. A cap or a burn-off is easier to win than elimination.
- “We need to sign this week.” Sometimes genuine, often a device. If the space has been vacant for months, the urgency is not the landlord’s.
For Landlords
A well-drafted LOI speeds the deal and reduces renegotiation. State the non-binding nature clearly, make exclusivity mutual in duration, require delivery of financial statements and the proposed guarantor’s information before the exclusivity clock starts, and set an outside date after which the LOI expires if no lease is signed. Where the tenant asks for an allowance, condition it in the LOI on the same terms the lease will impose: completion, lien waivers and no default.
From LOI to Lease
When the draft arrives, compare it against the LOI point by point. The items most often changed in the draft are the operating expense definitions, the guaranty form, restoration obligations, the assignment and subletting standard, and the delivery condition. Anything in the lease that contradicts the LOI should be flagged immediately, while the deal still has momentum. For the provisions that most often surprise tenants after signing, see our guides to CAM charges and triple net structures.
Negotiating a term sheet? Bringing our commercial lease attorneys in at the LOI stage costs less than fixing the lease later, because that is when the economics are still open.
Frequently Asked Questions
Is a letter of intent for a commercial lease binding?
Usually not, but it depends on the language. New York courts look at the parties’ expressed intent, so an LOI should state clearly that it is non-binding and that no obligation arises until a lease is signed, while identifying any provisions meant to bind, such as confidentiality, exclusivity and brokerage.
What should a commercial lease LOI include?
Premises and square footage, term and commencement, base rent and escalations, free rent, tenant improvement allowance, operating expense structure, use clause, options, security deposit and guaranty, and delivery condition.
Why does the LOI matter if it is not binding?
Because the lease draft follows it. Terms omitted from the LOI are difficult to add later, and your leverage is highest before the landlord stops negotiating with other prospects.
What is a no-shop clause?
A binding provision in which the landlord agrees not to negotiate with other prospective tenants for a set period while the lease is prepared, commonly 15 to 30 days.
Should a lawyer review the LOI?
Yes. Review at the LOI stage is far cheaper than renegotiating the lease, and the economics, guaranty structure and options are all decided there.
Reviewing a Term Sheet?
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