March 9th, 2025

Commercial Lease Agreements Explained

Colleagues in an office reviewing commercial lease options

What Is a Commercial Lease?

A commercial lease is a legally binding contract that allows your business to occupy a property for commercial use in exchange for rent and other agreed expenses. Unlike short‑term, flexible licences to occupy, leases provide more formal rights and typically involve longer commitments.

For most SMEs, commercial office leases commonly run for 2–5 years, although longer terms may suit businesses seeking stability and predictable long‑term costs.

 

Main Types of Commercial Lease Agreements for SMEs

  1. Full Repairing and Insuring (FRI) Lease

An FRI lease places responsibility for repairs, maintenance, and often the building’s structure on the tenant. You will also contribute to the building’s insurance costs.

Pros:

  • More control over the space
  • Potentially lower rental rates

Cons:

  • Higher exposure to costly repairs or maintenance issues

FRI leases are more typical in standalone units or long‑term commercial premises.

  1. Internal Repairing Lease

With an internal repairing lease, the tenant maintains only the interior of the space, while the landlord retains responsibility for the roof, structure, and external areas.

This arrangement appeals to many SMEs because it limits the risk of unexpected, high‑value repairs.

Ideal for:

  • Growing SMEs seeking predictable costs
  • Businesses wanting flexibility without full structural responsibility.
  1. Licence to Occupy: Short‑Term Flexibility

A licence to occupy is a short‑term, more flexible alternative to a lease. It allows the tenant to use a space without long‑term obligations or the extensive legal structure of a lease.

Benefits for SMEs:

  • Shorter commitments
  • Easier to upsize or downsize
  • Faster, simpler documentation

Trade‑offs:

  • Less long‑term security
  • Limited ability to fit out or customise the space

Licences are ideal for SMEs in periods of transition or fast growth.

 

Other Key Features to Check in a Commercial Lease

When reviewing a lease or licence, SMEs should pay close attention to:

  1. Lease Term & Break Clauses

Break clauses offer flexibility by allowing tenants to exit early under certain conditions.

  1. Rent Review Mechanisms

Rent may be reviewed at fixed intervals based on market value or inflation. Understanding the review method helps you plan ahead.

  1. Service Charges

These charges relate to shared amenities, such as reception areas, lifts, cleaning, landscaping, and security. Understanding what’s included prevents surprise costs later.

These elements often impact your budget just as much as the headline rental rate.

 

How Weir Bank Group Supports SMEs

At Weir Bank Group, we help small and medium‑sized businesses navigate commercial leases with confidence. Our team simplifies complex lease structures, explains obligations in clear plain language, and helps you evaluate how a property aligns with your growth plans.

Whether you’re signing your first commercial lease or expanding into a larger space, we ensure you have the knowledge, clarity, and support to make the right decision for your business.

With the right guidance, commercial property becomes an asset—not a risk, matching your model, cash flow and they way you want your business to operate

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We would be delighted to discuss your property needs.

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