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Commercial lease glossary

Understand the term, then understand what it changes in the decision. Definitions are educational starting points; the proposal and executed lease control the actual transaction.

THE WORKING VOCABULARY

Definitions that lead to better questions.

Commercial lease labels can vary by document and market. Use these entries to structure intake and modelling, then confirm the actual language with the appropriate adviser.

A

Cost

Additional rent

Amounts payable in addition to base rent under the lease. They may include operating-cost, tax, insurance or other recoveries, depending on the document.

Incentive

Allowance draw

A request for payment of part of a tenant improvement contribution, normally supported by the evidence and conditions identified in the lease or work letter.

Document

Assignment

A transfer of a tenant's leasehold interest to another party, subject to the lease, landlord consent requirements and applicable law. The label alone does not establish a release.

Document

Availability evidence

A traceable record supporting a candidate premises availability state, including the supplying party, source type, observation date, location of the evidence and whether the source is authorized to make the availability statement.

G

Cost

Gross profit

Revenue remaining after subtracting cost of goods sold under the business's accounting definition, before other operating costs, financing and tax.

Cost

Gross lease

A structure in which more property costs are included in the stated rent, sometimes with base-year or expense-stop adjustments.

Cost

Gross-up

A lease mechanism that may adjust certain variable operating costs to a stated occupancy level for allocation purposes.

Cost

GST/HST

Federal goods and services tax or harmonized sales tax. Commercial real-property leases are generally taxable supplies when the supplier is required or chooses to register, subject to the facts.

N

Cost

Natural breakpoint

An arithmetic percentage-rent breakpoint calculated by dividing annual base rent by the stated percentage-rent rate, subject to the actual lease terms.

Cost

Net effective base rent

A normalized base-rent measure after defined rent abatements and incentives, usually expressed per square foot over the term.

Cost

Net lease

A structure in which the tenant pays base rent plus some or most defined property expenses.

Timing

Notice window

The entered period during which a notice or option exercise may be delivered under the controlling documents, potentially including both an earliest permitted date and a final deadline.

O

Cost

Occupancy budget

A controlled planning limit for recurring premises cost, defined by an annual or monthly amount and the cost categories included in that amount.

Cost

Occupancy cost ratio

A defined annual occupancy-cost numerator divided by a defined annual sales or revenue denominator, expressed as a percentage.

Cost

Operating-cost reconciliation

The comparison of estimated operating-cost payments with the landlord's calculated actual recoveries for a period.

Document

Option to renew

A contractual right that may allow the tenant to extend the term if stated conditions and notice requirements are satisfied.

Cost

Occupancy concentration

The share of a defined portfolio's entered rentable area or current annual occupancy cost associated with a province, property type, business unit, landlord or other disclosed segment.

Document

Obligation register

A controlled inventory that connects material lease and related operating requirements to their authority, responsible party, accountable owner, schedule, evidence state and exception history.

B

Cost

Base rent

The core rent for the premises before separately charged recoveries and other occupancy costs. It may be stated per square foot, per month or per year.

Cost

Base year

An expense reference period used in some gross or modified-gross leases. The tenant may pay its share of increases above that reference amount.

Operations

Business disruption

An interruption, slowdown or service impact caused by construction, phased occupancy, systems migration or a physical move, expressed only through a supportable business-impact assumption.

C

Cost

CAM

Common area maintenance, a label often used for shared-property operating costs. The exact included expenses depend on the lease.

Document

Change order

A documented modification to construction scope, price, schedule or another contract requirement, which may add cost, provide a credit or reallocate responsibility.

Timing

Commencement date

A date from which a lease term or particular obligation begins. Possession, fixturing, lease commencement and rent commencement may be different dates.

Cost

Construction holdback

An amount retained from construction payments under a contract or applicable provincial law, subject to project roles, statutory rules, lien periods and release conditions.

Cost

Controllable operating costs

A negotiated category of operating expenses that may be subject to an increase limit. The definition and exclusions determine what the cap actually covers.

Operations

Candidate property

A building or premises record retained for comparison against a controlled tenant requirement, whether its current availability is confirmed, coming soon, unknown, unavailable or withdrawn.

Timing

Critical-date register

A source-controlled schedule of lease deadlines, notice windows, planning checkpoints, responsibilities, status and completion evidence tied to exact governing-document references.

Document

Control owner

The internal person or function accountable for monitoring an obligation, assembling or reviewing evidence, escalating exceptions and maintaining the record, whether or not that person is the contractual performing party.

Document

Control exception

An entered state indicating that a requirement, date, evidence item, outcome or responsibility needs accountable review, correction, escalation or a documented decision.

D

Operations

Decommissioning

The controlled shutdown, removal or disposal of furniture, equipment, technology, inventory and services when premises are vacated or materially reconfigured.

Cost

Discount rate

The annual rate used to translate future cash flows into present value for comparison purposes.

Cost

Double occupancy

A transition period in which the tenant carries cost at both the current and new premises while construction, commissioning, moving or surrender work is completed.

Document

Deemed receipt

A contractual or legal rule that may specify when a notice is treated as received after a stated delivery method, subject to the complete document, facts and applicable law.

Document

Delivery evidence

Records retained to support how and when a notice package was transmitted and received, such as the final notice, authorization, courier receipt, tracking history, acknowledgment and file note.

E

Cost

Effective rent

A normalized rent or cost measure that reflects a defined set of payments and incentives over the term. Different practitioners may use different inclusions.

Cost

Escalation

A scheduled change in rent or another charge. It may be a percentage increase, fixed-dollar step or custom schedule.

Timing

Expiry ladder

A portfolio view that groups entered lease expiries by calendar year or planning interval, usually retaining expired or holdover records and later expiries as separate categories.

Document

Evidence coverage

A disclosed control measure showing whether an obligation that requires proof has an expected evidence type, stable reference, collection or issue date and verification state, with expiry where relevant.

F

Timing

Fixturing period

A period before opening or rent commencement when the tenant may access the premises for construction, installation or setup, subject to the document.

Operations

Fit test

A scaled review that places an operating program, furniture, equipment, circulation and other requirements into an actual premises plan to test practical accommodation.

Incentive

Free rent

A period of reduced or abated rent. The abatement may apply only to base rent or to a broader set of recurring charges.

H

Document

Holdover

Occupancy after the lease term ends without a replacement agreement, governed by the lease and applicable law.

L

Incentive

Landlord work

Work the landlord agrees to perform or deliver, which may be separate from a tenant improvement allowance.

Document

Lease surrender

A documented agreement ending or modifying the landlord-tenant relationship before scheduled expiry on negotiated terms, which may include payments, condition work and surviving liability.

Timing

Lease expiry

The date the lease term ends, subject to the executed lease, amendments and any valid extension or renewal.

Area

Load factor

A factor used in some measurement systems to allocate certain shared areas in calculating rentable area from occupant or usable area.

Document

Lease portfolio

A controlled inventory of leased, committed, holdover and relevant closed locations linked to their governing documents, dates, areas, current costs, owners, strategies and evidence state.

Document

Lease obligation

A requirement allocated by the controlling lease documents to a party, such as delivering insurance evidence, maintaining equipment, providing information, operating to a stated standard or completing restoration work.

M

Cost

Modified gross lease

A negotiated structure in which some property costs are included in rent and others are paid or recovered separately.

Document

Market survey

A dated, source-controlled comparison of commercial property candidates against one tenant requirement, showing availability states, preliminary economics, operating fit, missing evidence, tours and decision status.

P

Operations

Peak attendance

The supportable high-demand number or percentage of people expected to use a workplace at the same time, which may differ materially from total headcount.

Cost

Percentage rent

Rent calculated from a defined percentage of sales or revenue, often above an agreed breakpoint, and most common in retail leasing.

Timing

Possession date

The date the tenant is entitled or expected to receive access or control of the premises under the deal documents.

Cost

Present value

The current value of scheduled future cash flows using a stated discount rate.

Cost

Proportionate share

The tenant's allocated share of defined property expenses, often related to rentable area but subject to the lease calculation.

R

Document

Recapture right

A negotiated landlord right that may allow the landlord to terminate or reclaim all or part of the premises after receiving a transfer or sublease request.

Timing

Rent commencement

The date on which a stated rent obligation begins, which may differ by rent category and from lease commencement or possession.

Area

Rentable area

The area used to calculate rent under the stated measurement basis. It may include allocated shared areas in addition to occupant or usable area.

Operations

Restoration

Work the tenant may be required to perform when altering or surrendering the premises, depending on the lease.

S

Cost

Security deposit

Cash, letter of credit or other security delivered in connection with lease obligations, subject to the document.

Area

Space program

A structured schedule of workpoints, rooms, operating zones, support functions, quantities and area assumptions that translates business activity into a planning requirement.

Document

Sublease

An arrangement under which the existing tenant grants occupancy rights to another party while usually remaining bound to the landlord under the head lease.

Document

Source freshness

A disclosed age or review state for property, availability or asking-cost evidence measured from its observation date to the market survey's stated as-of date.

T

Incentive

Tenant improvement allowance

A landlord contribution toward eligible tenant improvement costs, usually subject to defined conditions and payment mechanics.

Document

Tenant requirement

A controlled record of a business's property type, area range, geography, budget, timing, physical criteria, status and confidentiality for a commercial space search.

Timing

Term

The committed duration of the lease, excluding or including extension periods as the document provides.

U

Area

Usable area

An area intended to represent space usable or occupied by the tenant under a stated measurement method. It may be lower than rentable area.

W

Timing

Weighted average lease expiry (WALE)

The weighted average of entered remaining lease term across a defined portfolio population, calculated as of a stated date using rentable area, current annual cost or another disclosed weighting basis.

APPLY THE DEFINITIONS

Turn lease language into a cash-flow model.

Enter the supportable terms, keep unknowns visible and compare proposals on one economic basis.

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