Plain Language #9

Welcome back to another edition of NAI G2 Commercial’s ongoing series on commercial real estate (CRE) terms and definitions. In this blog post, we will be exploring two typical clauses or provisions for the maintenance or improvement of spaces – who pays, and what falls under which category.

If you haven’t already, check out the earlier blogs in the series. Follow the links to read the first, second, and third such blog posts, or find the entire series within the news and insights section.

Common Area Maintenance

Sometimes you will see a clause in a lease agreement regarding common area maintenance (CAM) for commercial businesses. This is typically an extra percentage or fixed amount added to rental owing and charged to a tenant in order to allow for the upkeep of shared spaces (beyond leased or usable area) and is most common in buildings like shopping centers and office blocks.

In a building with multiple tenants, this is a joint expense often divided pro-rata. Typical uses of this include maintaining the bathrooms, parking lots, the lighting and other fixtures in a lobby, or landscaping the gardens, even covering snow removal of walkways. It can also include security and certain insurance policies or applicable permits, as well as an administration fee for maintenance services.

If this clause is in effect, the landlord or their agent ought to account for such expenses when necessary, and the provision of receipts or to allow for auditing of those expenses may be negotiated into the contract by occupants.

Improvement Allowances

A tenant improvement (TI) allowance is typically an incentive for new tenants taking up the occupation of a space. Other terms that function as synonyms include “TA, TIA, fit-out, or build-out allowance”. Landlords or their agents will offer a specific amount (in credit or funds) to cover some of the costs of making required or requested improvements that an occupier wants and needs.

Often, a TI will be worked out as a dollar amount per square foot or meter basis and will vary based on the state of the building as well as the strength of that particular market. This and variations thereof (such as rental discounts or full shopfitting) are most commonly decided between parties prior to occupation.

Again, allowing for whatever your specific agreement is, a TI is normally spent on “hard fittings” like ceilings, floors, plumbing, electrical, doors, and conference room build-outs, rather than ‘soft’ fittings like furniture or window coverings.


Having an agent who is knowledgeable about all the intricoes of commercial real estate is key to a successful transaction.

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