Can Doctors Ignore an Advance Directive in England

The Short Answer

If your ADRT is valid and applicable to the clinical situation, doctors in England are legally bound to follow it.

But "valid and applicable" is where the real-world complications begin. Hospital teams do not override ADRTs by openly defying them. They find reasons to argue the document does not apply to the specific situation in front of them.

The Three Grounds for Not Following an ADRT

Under the Mental Capacity Act 2005, clinicians can decline to follow an ADRT if they can establish any of these:

The ADRT has been withdrawn. The maker revoked it — either formally in writing or informally through verbal statements or conduct. For example, if you made an ADRT refusing chemotherapy but later voluntarily started a chemotherapy course, a clinician could argue the ADRT was implicitly withdrawn by inconsistent behaviour.

A subsequent LPA overrides it. If you registered a Health and Welfare LPA after making your ADRT, and that LPA grants the attorney authority over life-sustaining treatment, the LPA takes precedence. The attorney can consent to treatments your earlier ADRT refused.

The ADRT is not applicable. This is the most commonly invoked ground and the one most vulnerable to clinical interpretation. If the document uses vague terminology — "if I have no quality of life," "if I am severely brain damaged," "if there is no hope of recovery" — the treating clinician can argue these terms do not clearly describe the patient's current clinical presentation.

How Vague Language Creates the Override

A ward consultant facing a family conflict and an ambiguous ADRT has every professional incentive to err toward treatment. The legal consequences of treating a patient who did not want treatment are theoretical and delayed. The consequences of withholding treatment from a patient who might have wanted it are immediate and potentially career-ending.

When an ADRT says "I refuse ventilation if I develop severe dementia," a clinician can ask: What does "severe" mean? Is moderate-to-severe sufficient? Does the patient's current presentation — perhaps early-stage vascular dementia with fluctuating awareness — meet the threshold? If there is any clinical ambiguity, the default is treatment.

The fix is specificity. Instead of "severe dementia," define a clearly stated, clinically assessable functional threshold. Instead of "no quality of life," define the functional criteria: "unable to recognise close family members and unable to communicate basic needs verbally or through gesture."

The Emergency Override

Under Section 26(2) of the Mental Capacity Act, if there is genuine doubt about whether an ADRT is valid or applicable, clinicians must provide life-sustaining treatment and treatment to prevent a serious deterioration in the patient's condition while the issue is resolved. The standard resolution pathway is a referral to the hospital trust's legal department or an emergency application to the Court of Protection.

This means any ambiguity in your document defaults to treatment. Clinicians are not taking a risk by treating; they are taking a risk by withholding.

What Makes an ADRT Practically Override-Proof

• Name specific treatments using clinical terminology, not lay descriptions
• Define clinical triggers using clear clinical criteria
• Include the signed, witnessed statement that the refusal applies "even if my life is at risk as a result" for life-sustaining refusals
• Confirm the document has not been superseded by a later LPA
• File copies with your GP, your hospital consultant, and your named LPA attorneys
• Review annually and make a new ADRT if your wishes or circumstances change

The England ADRT Guide includes a clinical phrasing registry with precise drafting templates for each major treatment refusal — designed specifically to close the interpretive gaps that allow clinical override.

See more England guides →