The Bank of Mum and Dad refers to parents giving financial support to adult children, usually to help fund a property purchase as a gift, a loan, or an equity stake. Without a clear legal structure, these arrangements can create real risks, including disputes over repayment, complications if a child divorces, and unintended inheritance tax exposure. This article explains the main legal structures available, how each one can protect the family, and what documentation each arrangement needs.
Key takeaways
- Set out loan terms in a formal written agreement before any money changes hands.
- A gifted deposit permanently reduces the parent’s estate and removes any future claim over the property.
- A charge registered at HM Land Registry protects a parental loan if the property is sold.
- A deed of trust records each party’s exact ownership share and helps prevent costly disputes later.
- A cohabitation agreement protects parental funds when a child buys with a partner.
- Gifted deposits fall outside inheritance tax only if the donor survives seven years from transfer.
- Capital gains tax may apply if parents hold a beneficial interest when the property is sold.
Why Family Property Loans Need More Than a Handshake
Put the loan terms in writing before any money changes hands. Verbal agreements carry no legal weight if circumstances change, and with family property loans, they often do. Illness, divorce, or bankruptcy can create competing claims on the same funds. If nothing was recorded, parents may have little recourse.
A formal loan agreement should set out the principal, whether interest applies, the repayment schedule, and what happens if the borrower cannot repay. Without that record, an insolvency practitioner may treat the funds as a gift rather than a debt. That can place parents at the back of the unsecured creditors queue. An undocumented contribution can also be absorbed into general equity if the property sells before the loan is cleared.
Mortgage lenders scrutinise family contributions closely, so any loan must be disclosed accurately on the application. Misrepresenting a loan as a gift can constitute a material misstatement and carry serious consequences, including potential criminal liability. First-time buyers can find detailed guidance on the legal structures at Property Help.
Gifted Deposits vs Family Loans: Choosing the Right Structure
| Feature | Gifted deposit | Family loan |
|---|---|---|
| Repayment obligation | No repayment obligation | Repayment expected under agreed terms |
| Parental claim on property | Gift letter confirms funds are not repayable, removing future claim | Claim can remain in place and be secured by a registered charge |
| Tax and estate effect | Reduces the parent's estate and may face inheritance tax scrutiny if the donor dies within seven years | Better suited where the money represents a meaningful share of retirement savings |
| Best fit | Simpler where parents do not need the money back and the sum sits within annual gift allowances | Stronger protection for larger sums or uneven contributions |
A gifted deposit creates no repayment obligation, but it permanently reduces the parent’s estate and may attract inheritance tax scrutiny if the donor dies within seven years. Lenders also require a signed gift letter confirming the funds are not repayable. That removes any future parental claim over the property.
A family loan keeps that claim in place. When it is registered as a charge on the property through HM Land Registry, it secures repayment when the home is sold or remortgaged, even if the relationship breaks down. This structure suits larger sums or purchases where one buyer contributes significantly more than the other.
If parents have no realistic need for the money back and the sum sits within annual gift allowances, a gifted deposit is simpler. If the funds represent a meaningful share of retirement savings, a formal loan with a registered charge gives much stronger protection.
Legal Documents Every Family Should Have in Place
Signing a loan agreement without supporting documents creates gaps that can become costly in a dispute. Three instruments give the arrangement legal durability: a deed of trust, a charge registered at HM Land Registry, and a declaration of beneficial interests.
A deed of trust records each party’s ownership share with precision. If parents contribute £40,000 toward a £200,000 purchase, the deed captures those proportions. Without it, equity follows the legal title. That means the registered owner takes everything if the relationship breaks down.
Registering a legal charge at HM Land Registry turns the loan into a secured debt. It prevents sale or remortgage until that charge is satisfied. This step protects parental funds from dissolution in a divorce settlement or creditor insolvency.
A declaration of beneficial interests sets out the events that trigger repayment, such as sale, refinance, or relationship breakdown. A Law Society-regulated solicitor should draft each document independently for both parties. This satisfies standard lender requirements and guards against later claims of undue influence.
Protecting Parents When Their Child Co-Owns a Property
When a child buys a property with a partner, parents can lose their contribution if the relationship ends. A cohabitation agreement should set out how each person’s equity will be handled on separation, including any parental funds recorded in the deed of trust. Without that agreement, family courts can treat the property as jointly held, regardless of who paid what.
Registering a charge at HM Land Registry gives parents a formal equitable interest that can survive a relationship breakdown. A solicitor can structure the charge so the parental contribution is repaid before any remaining equity is divided between the couple.
Marriage changes the position, so these arrangements need review if the child marries. Matrimonial courts in England and Wales treat the family home as a shared asset and may override earlier agreements unless both spouses took independent legal advice when signing. Updating the deed of trust and cohabitation agreement at that stage helps preserve the protection already in place.
Tax Implications Families Must Address Before Transferring Money
A tax error can turn a well-intentioned transfer into an unexpected liability. The two areas that most often apply are inheritance tax and capital gains tax.
A gifted deposit falls outside inheritance tax if the donor survives seven years from the transfer date. Gifts made within that window count as potentially exempt transfers under HMRC’s inheritance tax rules. The taxable proportion reduces on a sliding scale after year three. Keep a record of the date and amount of every transfer, as executors will need it if the donor dies within the period.
Capital gains tax rarely applies to cash gifts. It can arise, though, when a parent transfers equity in an existing property. HMRC treats that as a disposal at market value, even between family members. A tax adviser can confirm whether a charge applies before completion.
Income tax becomes relevant when a family loan charges interest. The receiving parent must declare that interest on a self-assessment return. Many families set interest at zero to avoid this, and the loan agreement should state that explicitly.
Families weighing the long-term case for property should read is property a good investment in 2026 before committing funds. Those already planning a purchase may also find that budget-friendly ways to increase property value can help maximise the return on what parents contribute.
Frequently Asked Questions
What legal structure can parents use when helping a first-time buyer with a property deposit?
A deed of gift and a deed of loan are the two most common structures. A deed of gift records the money as a non-repayable gift, which removes any future claim on the property. A deed of loan sets out the repayment terms and protects the parents’ contribution if the buyer later separates from a partner.
How does a declaration of trust protect parents and first-time buyers when contributing to a home purchase?
A declaration of trust records each party’s exact financial contribution and ownership share at the point of purchase. If the property is later sold, refinanced, or one party leaves the arrangement, the document provides clear legal evidence of what each person is owed. It removes ambiguity and helps reduce the risk of disputes between parents and children.
What is the difference between a gifted deposit, a loan and a joint ownership arrangement?
A gifted deposit transfers money outright, with no repayment expected. A loan creates a legal debt that the child must repay, ideally documented by a deed. Joint ownership gives parents a share of the property itself, so they keep a legal interest until they are formally removed from the title.
Can parents protect their contribution if the first-time buyer later sells the property or separates from a partner?
The level of protection depends on the legal structure put in place before completion. A deed of trust that records the parents’ share ensures their contribution is returned first on any sale. If the buyer has a partner, a cohabitation agreement or declaration of trust adds another layer of protection against future separation claims.
What tax, mortgage and legal issues should families check before using the Bank of Mum and Dad to buy a first home?
Gifts above £3,000 per person per year may count toward inheritance tax if the donor dies within seven years. Lenders treat parental loans differently from gifts, and that can affect the child’s borrowing capacity. A solicitor should record the arrangement formally, while a financial adviser should review stamp duty land tax implications before contracts exchange.