When leasing commercial property, heads of terms are routinely treated as a formality – a short document agreed in principle before solicitors are instructed and ‘the real work’ begins. Because they are stamped ‘subject to contract’, the assumption is that they carry little legal or commercial weight.
That assumption is mistaken. Poorly drafted heads of terms are one of the most common causes of delay, dispute and failed transactions in commercial property and business deals. Understanding how heads of terms actually function, and where the risks lie, is essential for any business entering a commercial transaction.
What Do Heads of Terms Actually Do?
Heads of terms set the commercial framework for a transaction. They define the deal structure, anchor the expectations of both parties, and directly influence how solicitors draft the legal documents that follow.
While most provisions are expressed to be non-binding, heads of terms typically:
- establish the core commercial terms: price, rent, term, timing
- set expectations that are difficult and costly to revisit once the document has been circulated
- are shared with agents, funders, boards and investors creating commercial and reputational reliance
- influence negotiating leverage throughout the rest of the transaction
Once heads of terms have been agreed and relied upon, attempting to revisit them can be commercially damaging, even where the document is expressly non-binding.
It is also important to understand that a blanket ‘subject to contract’ label does not make every clause non-binding. Certain provisions including confidentiality obligations, exclusivity or lock-out arrangements may be legally binding regardless of how the document is labelled.
Common Problems That Arise From Poorly Drafted Heads of Terms
In practice, the issues that generate the most delay and cost are rarely technical legal points. They arise from commercial ambiguity agreed at heads of terms stage that was never properly resolved.
Typical examples include:
- Price and payment mechanics: headline consideration that does not reflect the agreed commercial intent or rent assumptions that do not account for review or incentive provisions.
- Repairing and condition obligations: insufficient detail that leaves room for significant dispute once surveyors and solicitors begin work.
- Security and guarantees: rent deposits, personal guarantees and security requirements that are raised late in the process after professional costs have been incurred and time pressure has mounted.
- Unrealistic timescales: completion dates agreed under agent or commercial pressure that cannot realistically be achieved once legal and survey work begins.
These issues do not disappear by being left unaddressed. They resurface later when positions have hardened, costs have been incurred and leverage has diminished. At that stage, concessions are harder to resist and the risk of the transaction collapsing is materially higher.
Which Clauses in Heads of Terms Are Legally Binding?
This is an area where businesses are frequently caught out.
The following types of clauses are commonly included in heads of terms and are typically intended to be legally binding, regardless of the ‘subject to contract’ label:
- Exclusivity or lock-out provisions preventing either party from dealing with third parties for a defined period
- Confidentiality obligations restricting disclosure of the terms of the proposed transaction
- Cost-sharing arrangements specifying who bears transaction costs if the deal does not proceed
- Break fee or abort provisions providing financial consequences if one party withdraws
Failing to identify and properly draft these clauses at heads of terms stage can create unintended legal exposure or fail to provide the protection that was intended.
Why Legal Input at Heads of Terms Stage Is Worth It
Involving a solicitor at heads of terms stage is not about slowing deals down or over-lawyering straightforward transactions. It is about identifying deal-breakers early, before positions have hardened and ensuring that what has been commercially agreed can actually be delivered legally.
A focused legal review of heads of terms can:
- surface structural issues that would otherwise emerge mid-transaction
- test whether the commercial intent translates into achievable legal obligations
- prevent weeks of avoidable negotiation later in the process
- protect the client’s position on binding clauses, particularly exclusivity and confidentiality
- reduce the risk of transactions stalling, renegotiating or collapsing at a late stage
This is particularly important in commercial property transactions, where repairing risk, security requirements and exit provisions can materially affect value.
What Well-Drafted Heads of Terms Should Achieve
Good heads of terms are clear but not over-prescriptive. They should:
- capture the commercial deal with sufficient precision to avoid ambiguity
- leave appropriate flexibility for proper legal due diligence
- reflect a realistic understanding of risk, timing and cost on both sides
- identify which provisions are intended to be binding
Treated as a strategic document rather than an administrative step, well-drafted heads of terms reduce transaction friction resulting in smoother negotiations, shorter timelines and fewer surprises.
Frequently Asked Questions: Heads of Terms in England & Wales
Are heads of terms legally binding in England and Wales?
Most of the substantive commercial terms in heads of terms such as price, rent and the term are not legally binding in England and Wales, as they are typically expressed to be ‘subject to contract’. However, certain provisions, such as exclusivity clauses, confidentiality obligations and cost-sharing arrangements, may be legally binding even in documents labelled ‘subject to contract’. Legal advice should be sought to identify and properly draft these provisions.
When should I instruct a solicitor on a commercial property transaction?
Ideally before heads of terms are agreed. At that stage, a solicitor can identify structural issues, advise on provisions that are or should be legally binding, and ensure the commercial intent can be delivered in the legal documents. Waiting until after heads of terms are signed significantly reduces options and leverage.
Can heads of terms be renegotiated after they are agreed?
Yes, but it carries commercial and reputational risk. Once heads of terms have been circulated and relied upon by agents, funders or boards, revisiting them can undermine trust and jeopardise the transaction. It is significantly better to agree comprehensive, commercially realistic heads of terms at the outset than to attempt to renegotiate later.
NJB Legal provides early-stage legal advice on heads of terms for commercial property transactions across Cheshire, the North West and England & Wales. An early conversation costs very little but can save significant time, cost and commercial frustration down the line. Get in touch to discuss your transaction.