How Your Family Can Help You Buy a Home
Reviewed by Neil AinsworthLast updated: November 28, 2025 4:04 pm
Image credit: Ketut Subiyanto @Pexels
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Acquiring a home is a significant milestone, but the financial hurdles can often seem insurmountable, especially for first-time buyers. Rising property prices and tighter mortgage criteria can make the dream of home ownership feel out of reach. However, there are several ways family members can help overcome these barriers. This article explores practical routes for family support to make buying a home more achievable.
Gifted Deposits: A Generous Boost
One of the most straightforward ways for a family to assist is through gifting funds. A gifted deposit involves a family member providing funds to cover all or part of the deposit required to secure a mortgage. This not only helps in meeting the often hefty deposit requirements but can also improve the mortgage options and rates available to the buyer. As of 2025, many lenders accept deposits as low as 5% of the purchase price, but the average first-time buyer deposit remains around 20% nationally, so a substantial gift can significantly reduce the initial outlay.
Recent studies indicate that around a third of first-time buyers in the UK rely on family help or gifted deposits. This money must be a gift, not a loan, to ensure the buyer doesn’t face additional financial strain from repayments, which lenders critically assess when evaluating mortgage affordability.
Documentation is Key
When utilising a gifted deposit, it is essential to document that the funds are indeed a gift. This usually involves the benefactor signing a letter that declares the money is not a loan, carries no beneficial interest in the property and is not expected to be repaid. Lenders and conveyancers will also require proof of identity and the source of funds to meet anti-money laundering requirements.
Additional Considerations for Gifted Deposits
While gifted deposits are beneficial, certain additional aspects need consideration:
- Tax Implications: Depending on the amount, the gift may be subject to inheritance tax if the donor does not live for seven years after making it (these are potentially exempt transfers). Each donor has a £3,000 annual exemption (which can be carried forward for one year), plus small gifts and normal expenditure out of income exemptions. Cash gifts are not subject to income tax or capital gains tax. Keep clear records and take advice on larger gifts.
- Lender Restrictions: Some lenders have specific restrictions on gifted deposits, such as accepting gifts only from close family, requiring a minimum personal contribution from the buyer, or requiring the donor to provide bank statements. It’s essential to check with individual lenders early to ensure compliance with their policies.
Given rising property prices and the difficulty in securing mortgages on favourable terms, gifted deposits remain a vital strategy for many aspiring homeowners. Ensuring the process is handled correctly, with all necessary documentation and legal advice, is key to making the most of this support.
The Bank of Mum and Dad: Lending a Hand
Another common method is for parents to take a more direct role in the financing process by acting as guarantors or via a joint borrower, sole proprietor (JBSP) mortgage. This approach can increase the amount a buyer is eligible to borrow by taking the parents’ income and credit history into account. It can be particularly helpful when the buyer’s income alone is not sufficient to secure the required mortgage.
Implications of being a guarantor or using JBSP
While these routes can open the door to larger loans, they also place legal and financial responsibilities on the parents. If the primary borrower fails to make mortgage payments, guarantors or joint borrowers are liable, and their credit files can be affected. It may also reduce their ability to borrow in future and, depending on lender policy, the mortgage term may run into or beyond their intended retirement age.
Benefits and Risks of Parental Co-signing
Using a guarantor or JBSP arrangement can significantly enhance a buyer’s borrowing capacity. By combining the income and credit history of the parents with that of the buyer, lenders may offer more competitive options or a longer term. Typical new fixed mortgage rates in 2025 have been in the region of 4%–6% (subject to change), and stronger affordability can help secure deals at the keener end of that range.
However, the risks associated with this arrangement are considerable. If the buyer defaults on the mortgage, the parents are responsible for covering the debt. This might not only strain familial relationships but also jeopardise the parents’ financial future, including their retirement plans. Families should discuss these scenarios in detail and consider professional advice. Note that with JBSP, the parents are not on the property deeds, so first-time buyer stamp duty relief can still apply to the purchaser; with actual joint ownership, that relief is lost, and tax consequences differ.
Steps to Take When Considering Co-signing
- Assessment of Financial Impact: Evaluate how acting as a guarantor or joint borrower will affect both the buyer’s and parents’ finances, including stress-testing for interest rate rises, illness, or job loss.
- Legal Advice: Seek legal counsel and regulated mortgage advice to understand all implications (including how JBSP differs from guarantor products) and ensure all parties are fully informed about their obligations.
- Long-term Planning: Consider how changes in circumstances, such as retirement dates, future borrowing needs, or caring responsibilities, might affect the ability to meet mortgage payments.
The decision to act as a guarantor or joint borrower should not be taken lightly. It requires thorough financial and legal consideration to ensure it benefits all parties without causing undue strain.
Family Offset Mortgages: Shared Benefits
A family offset mortgage is a relatively less-known but highly effective method. It allows family members to use their savings to offset the buyer’s mortgage balance, reducing the interest charged and making the payments more affordable. This doesn’t just benefit the buyer but also allows the family members to retain access to their savings, although these won’t earn interest while they are offsetting the mortgage.
Enhanced Affordability
By linking their savings to the home buyer’s mortgage, family members effectively reduce the amount on which interest is calculated. For example, if a buyer has a mortgage of £300,000 and the family offsets £50,000, interest is only charged on the remaining £250,000. This can lead to significant savings over the life of the mortgage. The buyer benefits from lower monthly payments, which can make home ownership more accessible and sustainable.
Flexibility for the Future
This method provides flexibility, as family members can withdraw funds if needed in the future, assuming they are willing to adjust the financial advantage it offers to the home buyer. This flexibility is particularly appealing because it does not lock the family into financial support indefinitely.
Considerations for Family Offset Mortgages
- Impact on Savings: While the savings are offset against the mortgage, they do not earn interest, which could affect their long-term value.
- Withdrawal Conditions: Family members should clearly understand the terms of withdrawal. Withdrawing savings can increase the mortgage cost for the buyer, potentially at critical times.
- Mortgage Terms: Not all lenders offer family offset mortgages, and terms can vary significantly. It’s crucial to compare different options to find the most beneficial arrangement.
Steps to Taking Out a Family Offset Mortgage
- Assessment of Financial Health: Both the home buyer and the family members should evaluate their financial stability and how using savings to offset a mortgage will impact their finances.
- Consulting with Mortgage Advisors: Professional advice is essential to understand all legal and financial implications and ensure this approach aligns with both the buyer’s and the family’s long-term financial goals.
- Formal Agreement: It’s advisable to formalise the arrangement with legal documentation that outlines the terms of the offset, including any conditions for withdrawing savings.
By carefully considering these factors and planning effectively, a family offset mortgage can provide a valuable means to support a loved one in purchasing a home while maintaining financial flexibility and security for all parties involved.
Family Offset Mortgages: Shared Benefits
A family offset mortgage is a relatively less-known but effective method. It allows family members to use their savings to offset the buyer’s mortgage balance, reducing the interest charged and making payments more affordable. Some lenders offer alternatives such as springboard or family deposit arrangements where savings are placed in a linked account as security. Family members usually retain access to their savings, although funds may earn little or no interest and, in some products, may be locked for a fixed period.
Enhanced Affordability
By linking their savings to the home buyer’s mortgage, family members effectively reduce the amount on which interest is calculated. For example, if a buyer has a mortgage of £300,000 and the family offsets £50,000, interest is only charged on the remaining £250,000. This can lead to significant savings over the life of the mortgage. The buyer benefits from lower monthly payments, which can make home ownership more accessible and sustainable.
Flexibility for the Future
This method provides flexibility as family members can, subject to product terms, withdraw the funds if they need them in the future, accepting that doing so will reduce the benefit to the home buyer. Some springboard-style products require the savings to remain for a set period (for example, five years) provided the borrower keeps up repayments.
Considerations for Family Offset Mortgages
- Impact on Savings: While the savings are offset against the mortgage, they may not earn interest (or may earn a lower rate), which affects their real value over time.
- Withdrawal Conditions: Family members should clearly understand the terms of withdrawal or lock-in. Withdrawing savings can increase the mortgage cost for the buyer and, in some cases, may attract fees or require lender consent.
- Mortgage Terms: Not all lenders offer family offset or security deposit products, and terms can vary significantly. It’s crucial to compare fees, rates and conditions to find the most suitable arrangement.
Steps to Taking Out a Family Offset Mortgage
- Assessment of Financial Health: Both the home buyer and the family members should evaluate their financial stability and how using savings to offset or secure a mortgage will impact their finances.
- Consulting with Mortgage Advisors: Professional, regulated mortgage advice is essential to understand all legal and financial implications and to ensure that this approach aligns with both the buyer’s and the family’s goals.
- Formal Agreement: It’s advisable to formalise the arrangement – often via the lender’s documentation and, if appropriate, a separate legal agreement – setting out responsibilities and any conditions related to the withdrawal of savings.
By carefully considering these factors and planning effectively, a family offset mortgage can provide a valuable means to support a loved one in purchasing a home while maintaining financial flexibility and security for all parties involved.
Joint Property Ownership: Sharing the Investment
Joint ownership is an option in which family members not only help finance the home but also become co-owners of the property. This arrangement can serve as both an investment strategy and a means to assist the primary buyer. It involves all parties sharing the costs and the benefits, including any rise (or fall) in property value. This approach remains available, but it carries important tax and legal implications.
Legal Considerations
Given the complexities involved in joint ownership—such as the division of expenses, profits and responsibilities—legal advice is highly recommended before entering into such an agreement. Ensure everyone has a clear understanding of how decisions will be made and recorded. Consider a declaration of trust, and decide whether to hold as joint tenants or tenants in common, as each has different implications for ownership rights and succession. Also agree how property costs, such as maintenance, taxes and insurance, will be divided.
Financial Benefits and Risks
The financial benefits of joint property ownership can be substantial. By pooling resources, family members may access better properties in more desirable locations than the buyer could afford alone, and any future growth in value would be shared according to the agreed shares. Equally, if prices fall, all co-owners share the downside.
Be mindful of tax and mortgage consequences. If a co-owner already owns another property, the purchase will usually attract the 3% additional property stamp duty land tax (SDLT) surcharge, and first-time buyer relief will not be available. A parent co-owner may also face capital gains tax on their share when the property is sold if it has not been their only or primary residence. All named borrowers are jointly and severally liable for the mortgage, so one party’s financial difficulties can affect everyone.
Steps to Take Before Entering Joint Ownership
- Discuss Financial Commitments: Have an open discussion about each party’s financial situation and commitment level. This discussion should cover how mortgage repayments, maintenance costs, and unexpected expenses will be handled, and what will happen if someone cannot pay.
- Legal Structuring: Decide on the legal structure of the ownership. Whether it’s joint tenants or tenants in common, consider a declaration of trust to record contributions and shares, and take advice on wills and succession.
- Exit Strategy: Agree on an exit strategy before purchasing the property. This includes how one party can sell their share, the valuation method, the timescales, and whether others have a first refusal.
By carefully considering these factors and planning effectively, joint property ownership can provide a valuable means to support a loved one in purchasing a home while also serving as a sound investment strategy. However, it requires a thorough understanding and careful management to ensure that it benefits all parties involved without causing undue financial strain.
A Financial Adviser Can Help
Given the complexities of navigating mortgage options and understanding the best ways a family can assist in purchasing a home, consulting with a mortgage adviser is advisable. A professional can provide tailored advice that considers the buyer’s financial circumstances and future goals. They can also help in assessing the implications of various family-assisted purchasing strategies, ensuring that all legal and economic bases are covered.
At FinancialAdvisers.co.uk, we understand the importance of making informed decisions when buying a home. We connect you with FCA authorised financial advisers in your area who are equipped to guide you through the process of securing family assistance for purchasing a home. Their expertise can prove invaluable in making your dream of home ownership a reality.
