How to Read Your NHS Dental Contract: A Financial Review for Practice Principals

Why Your NHS Contract Needs a Regular Financial Review

Your NHS dental contract is the single most important financial document in your practice. It sets the UDA target you must deliver, the value per UDA you will be paid, and the terms under which your commissioner can reduce or claw back funding. Many principals sign their contract once and never look at it again, only to discover too late that a clause they overlooked has cost them thousands.

A structured review of your contract terms should happen at least once a year, ideally before you submit your annual activity return. This is not about legal nitpicking. It is about understanding exactly what you have agreed to deliver, what you are entitled to be paid, and what happens if either side falls short. A proper nhs contract review can identify misapplied UDA values, ambiguous variation clauses, and financial risks that are sitting in plain sight.

This guide is written for practice principals, not for associates or locums. If you are an associate, your focus should be on your associate agreement and your self-assessment tax position. But if you hold the contract, this is for you.

Understanding Your UDA Schedule

The core of any NHS dental contract is the UDA schedule. This is the table that sets out how many units of dental activity (UDAs) you are contracted to deliver each year, and the value per UDA. The total contract value is the UDA target multiplied by the UDA rate, plus any additional payments for things like patient charge income retention or seniority (if applicable).

UDA values vary by region and by individual contract. In England, the average is around £25 to £35 per UDA, but individual contracts can range from £15 to £45 or more depending on the area, the contract type, and historical negotiations. If you are in Wales, Northern Ireland, or Scotland, the contract structure is different. Wales uses a different unit system, Northern Ireland has its own contract, and Scotland operates under the Statement of Dental Remuneration (SDR) with item-of-service fees rather than UDAs.

When reviewing your UDA schedule, check three things:

• Is the UDA target achievable? Compare your actual delivery over the past two years against the target. If you are consistently under-delivering, the target may be too high, or your practice capacity may have changed. A persistent shortfall can trigger a contract review by the commissioner.
• Is the UDA rate correct? Commissioners sometimes apply the wrong rate, especially after a contract transfer or a change in the contract holder. Check your contract schedule against the most recent commissioner correspondence.
• Are there any in-year variations? Some contracts include clauses that allow the commissioner to adjust UDA values or targets mid-year. If you have signed a variation letter without fully understanding the impact, you may have accepted a worse deal.

If you are unsure about your UDA value, our NHS UDA value calculator can help you check whether your contract is paying what you think it is.

Clawback, Underperformance, and Remedial Notices

Every NHS dental contract includes a clawback provision. This means that if you fail to deliver your full UDA target by the end of the contract year (31 March), the commissioner can recover the funding for the undelivered UDAs. The standard clawback rate is 100% of the UDA value for the shortfall, though some commissioners operate a tolerance threshold (typically 2-4% of the target) before clawback applies.

The financial impact of clawback can be severe. A practice with a 10,000 UDA contract at £30 per UDA that delivers only 9,500 UDAs faces a clawback of £15,000. That is a direct hit to profit. If the shortfall is large enough, the commissioner may also issue a remedial notice, which can lead to contract termination if not addressed within a specified period.

When reviewing your contract, look for the clawback clause and note:

• The exact percentage or amount that can be clawed back.
• Whether there is a tolerance threshold.
• The process for agreeing a revised target if circumstances change (for example, if a key associate leaves mid-year).
• Whether the commissioner has discretion to waive clawback in exceptional circumstances (such as long-term sickness or maternity leave).

If you have received a clawback notice that you believe is incorrect, you have the right to challenge it. The contract should set out the dispute resolution process. If it does not, contact your commissioner in writing and request a formal review. Keep a paper trail.

Variation Clauses and Commissioner Discretion

NHS dental contracts are not static. Commissioners can propose variations to your contract terms, and you have the right to accept or reject them. However, many variation letters are presented as routine administrative updates, and principals sign them without reading the small print.

Common variations include:

• Changes to the UDA target or value.
• Changes to the patient charge retention arrangement.
• Changes to the contract duration (for example, moving from a rolling annual contract to a fixed-term contract).
• Changes to the list of services you are required to provide (for example, adding orthodontic or sedation services).

Before signing any variation, ask yourself: does this change improve or worsen my financial position? If you are unsure, take the letter to your accountant or a dental-specialist solicitor before signing. Once signed, the variation is binding.

Commissioners also have discretionary powers. They can, for example, agree to a temporary reduction in your UDA target if you can demonstrate a genuine reason (such as a practice refurbishment or a key clinician leaving). But they are not obliged to do so. The more you understand your contract terms, the better positioned you are to negotiate.

Patient Charge Income and Retention

Under the NHS dental contract, you collect patient charges (band 1, 2, and 3 fees) from patients who are not exempt. You then retain a portion of those charges, and the remainder is deducted from your contract value. The retention percentage is typically around 20-25% of the charges collected, but this varies by contract.

The financial significance of patient charge income is often underestimated. A practice with a high proportion of charge-paying patients can generate significant additional income from this source. But if your contract terms are unclear on how retention is calculated, you may be losing money.

When reviewing your contract, check:

• The exact retention percentage or formula.
• Whether the retention is calculated on gross charges collected or net of any deductions.
• Whether you are required to submit regular returns of patient charge income, and what happens if you fail to do so.
• Whether the commissioner has the right to adjust the retention percentage without your consent.

If you are not tracking your patient charge income separately from your contract value, start doing so. It is a material part of your practice revenue.

Contract Duration, Termination, and Exit Clauses

Most NHS dental contracts are rolling annual contracts, meaning they renew automatically each year unless either party gives notice. But some contracts are fixed-term, with a defined end date. If you have a fixed-term contract, you need to know when it expires and what the renewal process looks like.

Termination clauses are equally important. The commissioner can terminate the contract for a range of reasons, including persistent underperformance, failure to comply with the terms of service, or a change in the contract holder's circumstances (such as a principal leaving the performers list). The notice period for termination is typically 3 to 6 months, but can be shorter in cases of serious breach.

If you are planning to sell your practice, the contract's exit clauses matter. Some contracts include a "change of control" clause that requires the commissioner's approval before the contract can be transferred to a new owner. If the commissioner refuses consent, the sale may fall through. Reviewing these clauses early in the sale process can save you time and legal fees.

For more on how your contract affects practice value, see our goodwill valuation and sale playbook.

How to Prepare for a Contract Review Meeting with Your Commissioner

If you have identified issues in your contract, or if you simply want to understand it better, request a meeting with your commissioner. This is not an adversarial process. Commissioners are responsible for ensuring that contracts are delivered, and most are willing to discuss concerns if approached professionally.

Before the meeting:

• Gather your data: UDA delivery for the past three years, patient charge income, and any correspondence about variations or clawback.
• Write down your questions in advance. Be specific. "Can you confirm the UDA rate applied to my contract?" is better than "Can you check my contract?"
• Bring your accountant or a dental-specialist advisor if the issues are complex. Commissioners respect professional representation.
• Take notes during the meeting and confirm any agreements in writing afterwards.

A good contract review meeting can resolve misunderstandings, clarify terms, and sometimes even lead to a better deal. But it only works if you have done your homework first.

Common Mistakes Principals Make When Reviewing Their Contract

Even experienced principals make errors when reviewing their NHS contract. Here are the most common ones we see:

• Assuming the contract is standard. It is not. Every contract is individually negotiated, and the terms can vary significantly between practices in the same region.
• Focusing only on the UDA value. The UDA rate matters, but so do the clawback terms, patient charge retention, variation clauses, and termination provisions. A high UDA rate is worthless if the contract can be terminated on short notice.
• Not keeping a copy of the signed contract. You would be surprised how many principals cannot find their original contract when they need it. Keep a digital and paper copy in a safe place.
• Ignoring correspondence from the commissioner. Every letter, email, or variation notice is part of your contractual record. If you do not respond, you may be deemed to have accepted the change.
• Not involving an accountant. A dental-specialist accountant can spot financial risks that a principal might miss. The cost of a review is small compared to the potential cost of a missed clawback or a misapplied UDA rate.

When to Seek Professional Help

If your contract is complex, if you are in dispute with your commissioner, or if you are preparing to buy or sell a practice, professional advice is essential. An accountant who specialises in dental practices can review your contract terms, model the financial impact of different scenarios, and advise on negotiation strategy.

At Dental Finance Partners, we help principals with practice accounting and contract review as part of our broader service. We also offer a free practice health check that includes a high-level review of your contract terms.

If you are a practice buyer, our financial due diligence guide covers how to assess a target practice's NHS contract before you commit to a purchase.

Final Thoughts

Your NHS dental contract is not a set-and-forget document. It is a living agreement that affects your practice income, your risk profile, and your long-term financial planning. A structured nhs contract review once a year, combined with a good working relationship with your commissioner, can prevent costly surprises and help you run a more profitable practice.

If you have not reviewed your contract in the last 12 months, put it on your to-do list for this quarter. And if you need help, speak to a dental-specialist accountant who understands the financial side of NHS dentistry.