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Author: Bradley Mason
Date Last Modified: 17 March, 2026
Categories: Building Surveys

When taking on a commercial property lease, tenants often focus on rent, lease length, and location. However, one crucial step is frequently overlooked, commissioning a building survey.

Although a building survey is not a legal requirement, it plays a vital role in helping tenants understand the condition of a commercial property and avoid unexpected repair and maintenance costs during the lease term.

Why Is a Building Survey Important for Commercial Tenants?

Commercial leases often place significant repairing obligations on tenants. Without a professional building survey, tenants may unknowingly accept responsibility for defects that already exist, leading to costly repairs later on.

A building survey provides a detailed assessment of the property’s structure, fabric, and condition, allowing tenants to make informed decisions before committing to a lease.

Types of Commercial Leases and Repairing Responsibilities

Full Repairing and Insuring (FRI) Leases

Under a full repairing and insuring (FRI) lease, the tenant is usually responsible for repairing and maintaining the entire building. This can include:

  • Structural elements
  • Roofs
  • External walls
  • Services and drainage

Even if the building is in poor condition at the start of the lease, the tenant may still be required to put the property into full repair and keep it that way throughout the lease term. In these circumstances, a commercial building survey is essential, as it identifies existing defects that could result in significant future costs.

Internal Repairing and Insuring (IRI) Leases

An internal repairing and insuring (IRI) lease generally limits the tenant’s obligations to the internal parts of the property, such as:

  • Internal finishes
  • Mechanical and electrical systems
  • Suspended ceilings

While this type of lease can reduce exposure to risk, it does not eliminate it. Internal elements can still be expensive to repair or replace if they are in poor condition. A building survey helps tenants clearly understand the condition of these components before the lease is agreed.

How a Building Survey Benefits Commercial Tenants

A building survey for commercial tenants helps to:

  • Identify defects present before the lease is signed
  • Clarify which repairs fall under the tenant’s responsibility
  • Assess potential future maintenance and repair costs
  • Support informed budgeting and business planning

Survey findings can be used during lease negotiations. Tenants may be able to request landlord repairs, agree on a schedule of condition, or negotiate lease terms or rent to reflect the property’s condition.

Reducing Risk Before Taking a Commercial Lease

Repairing obligations can vary significantly depending on the type of lease being offered. Without a clear understanding of both the lease terms and the building’s condition, commercial tenants risk taking on substantial and unexpected financial liabilities.

Commissioning a commercial property building survey before entering into a lease provides clarity, reduces risk, and helps ensure there are no costly surprises once the lease has begun.

If you are a commercial tenant and would like to speak to us about how we can help you.

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