Paternity testing can provide clarity in situations involving parentage, family relationships and legal matters. However, because DNA testing involves sensitive personal and genetic information, strict legal and ethical standards apply in the UK. At NorthGene™, we are committed to providing accurate, confidential and fully compliant paternity testing services while ensuring all testing is carried out with appropriate consent and in accordance with UK legislation. Understanding who can consent to a paternity test is an important part of the process.
The Human Tissue Act 2004
The Human Tissue Act 2004 is one of the key pieces of legislation governing DNA testing in the UK. Under this law, it is unlawful to analyse another person’s DNA without appropriate consent. This legislation exists to protect personal privacy and ensure genetic information is handled responsibly and ethically.
For this reason, reputable and accredited DNA testing providers such as NorthGene™ follow strict consent and identity verification procedures before processing any DNA samples.
Who can consent to a paternity test?
Consent for adults:
Any adult participating in a paternity test must provide informed, explicit consent before a DNA sample can be taken and analysed. This means the individual understands what the test involves, signs their own consent and agrees to participate willingly.
Submitting a DNA sample from another adult without their knowledge or permission is illegal under the Human Tissue Act 2004.
Consent for children:
When a child under the age of 16 is involved in a paternity test, consent must be provided by an individual with parental responsibility. This requirement is designed to protect the child’s welfare and ensure testing decisions are made appropriately and lawfully.
Young people aged 16 and over are generally considered capable of providing consent for their own DNA testing.
What is parental responsibility?
Parental responsibility refers to the legal rights and responsibilities a person has for a child. In most cases a child’s mother automatically has parental responsibility and a father may also have parental responsibility if:
- He is married to the mother at the time of the child’s birth
- He is named on the birth certificate
- He has obtained parental responsibility through a legal agreement or court order
If you have any uncertainty about parental responsibility, legal advice may be appropriate before proceeding with DNA testing.
Can someone secretly get a paternity test?
Can a father secretly get a paternity test?
If a child’s DNA is being tested, consent must be provided by someone with parental responsibility. A father with parental responsibility can usually provide consent for a child to participate in paternity testing, although disagreements between parents may sometimes require legal advice or court involvement.
However, collecting or submitting another person’s DNA sample without appropriate consent can raise serious legal and ethical concerns.
Can I get a paternity test without the father knowing?
No. It is illegal to perform a DNA test on an adult without their explicit, informed consent.
Can you do a DNA test without the mother knowing?
Yes. A father can arrange a DNA paternity test without the mother’s knowledge, provided he has documented parental responsibility for the child. In many cases, this means the father is named on the child’s birth certificate, although parental responsibility can also be established in other ways. As the mother’s DNA is not being tested, her consent is not required. However, open communication and transparency are encouraged wherever possible to help avoid disputes and ensure the child’s best interests remain the priority.
Can a mother refuse a paternity test?
Yes. A mother has the right to refuse to provide her own DNA sample as part of the testing process, although including the mother’s sample can sometimes help strengthen and clarify the analysis.
Additionally, if the mother has sole parental responsibility for the child, she may refuse consent for the child to participate in DNA testing.
Where a father also has parental responsibility and wishes to proceed with testing, he is able to provide consent on behalf of the child. However, disagreements between parents can sometimes become part of wider family court proceedings. In some cases, legal advice or a court order may be required before testing can proceed.
Court ordered paternity testing
In certain situations, family court may order a DNA paternity test to help resolve a dispute. This can include cases involving:
- Child maintenance
- Parental rights and responsibilities
- Child arrangement orders
- Inheritance disputes
Legal DNA tests require a strict chain of custody process to verify the identity of all participants and ensure results are legally admissible.
At NorthGene™, all legal DNA testing is carried out within our UKAS accredited laboratory under strict Ministry of Justice approved procedures. Our experienced team follows rigorous sample handling and identification protocols to ensure accurate and legally admissible results.
You can learn more about the legal requirements of a DNA test in our blog.
Confidentiality and privacy
At NorthGene™, all DNA samples, personal information and test results are handled securely and confidentially by our experienced laboratory team. We maintain the highest standards of data protection throughout the testing process.
Results are only shared with the authorised email addresses listed on the consent documentation, and all personal information is stored and processed in accordance with UK GDPR regulations.
Key considerations
Understanding consent requirements is an essential part of the paternity testing process. Whether testing is being carried out for personal reassurance or legal proceedings, it is important that all DNA samples are collected and analysed lawfully, ethically and with appropriate consent.
By choosing an accredited and experienced DNA testing provider, you can be confident that testing is conducted responsibly, professionally and in accordance with UK legislation.
At NorthGene™, our experienced team provides confidential, accurate and fully compliant DNA testing services, supporting clients through both peace-of-mind and legal paternity testing cases.
If you have any questions about paternity testing or consent, our friendly team is here to help – simply get in touch today – or learn more about our paternity testing services here.




