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Introduction

Exchange of contracts and completion are the final stages of a commercial property purchase. Until exchange takes place, the transaction remains subject to contract and either party may withdraw.

Understanding what happens at this stage helps buyers manage risk and prepare for ownership or occupation.

Exchange of Contracts

Exchange of contracts is the point at which the transaction becomes legally binding.

At exchange:

  • The buyer and seller commit to the transaction
  • The purchase price and key terms are fixed
  • A completion date is agreed
  • A deposit may be paid

Once contracts are exchanged, withdrawal can result in financial penalties.

1. Conditions before exchange

Before exchange, buyers will typically need to ensure:

  • Finance is formally approved
  • Searches and enquiries are satisfactory
  • Surveys have been reviewed
  • Any conditions in the Heads of Terms are met

Exchange should not occur until all material issues are resolved.

2. Completion

Completion is the stage at which:

  • The balance of funds is transferred
  • Legal title passes to the buyer
  • Keys and access are handed over

Completion may occur on the same day as exchange or on a later agreed date.

3. Post-completion matters

After completion, several administrative steps follow, including:

  • Payment and submission of SDLT returns
  • Registration at the Land Registry
  • Notification to insurers and managing agents
  • Transfer of utilities and services

These steps are usually handled by solicitors but require buyer cooperation.

4. Occupation and handover

For owner-occupiers, completion marks the start of occupation.

For investment property, buyers should ensure:

  • Lease documentation is correct
  • Rent collection arrangements are in place
  • Managing agents are instructed where required

Early preparation helps ensure a smooth transition.

5. Managing risk at the final stage

The period between exchange and completion carries risk, particularly where there is a gap between the two.

Buyers should:

  • Arrange insurance from exchange
  • Confirm funding availability
  • Maintain clear communication with all parties

Professional advice is essential at this stage.

Bringing the Process Together

Buying commercial property involves:

  • Planning and research
  • Financial and legal due diligence
  • Structured negotiation
  • Clear documentation

Approached correctly, the process provides certainty and control for both owner-occupiers and investors.