Buying a house is a major financial commitment, and one of the first questions many buyers ask is: how much deposit do you need for a house? The answer depends on where you are buying, the type of mortgage you want, your income and credit history, and the lender’s requirements.

For many buyers, the deposit is one of the biggest financial hurdles when purchasing a property. Understanding how much you may need, how the deposit affects your mortgage, and what other costs you should budget for can make the home-buying process much easier to plan.

What Is a House Deposit?

A house deposit is the amount of money you contribute towards the purchase price of a property from your own funds. The remaining amount is typically covered by a mortgage.

For example, if you are buying a house for £300,000 and have a £30,000 deposit, your deposit represents 10% of the purchase price. You would potentially need a mortgage of £270,000, assuming there are no other adjustments.

The deposit is usually paid as part of the property purchase process, and the amount you need can vary considerably between mortgage products and lenders.

How Much Deposit Do You Usually Need?

There is no single deposit amount that applies to every buyer. In the UK, some mortgage products may be available with a deposit of around 5% of the property price, while buyers with larger deposits may have access to a wider choice of mortgages and potentially lower mortgage rates.

For example:

These figures are examples rather than guarantees. The actual deposit required will depend on the mortgage available to you and the lender's criteria.

Is a 5% Deposit Enough to Buy a House?

A 5% deposit can be enough for some buyers, particularly first-time buyers who may struggle to save a larger amount.

However, putting down a smaller deposit means you will generally need to borrow a larger proportion of the property's value. This is known as a higher loan-to-value (LTV) ratio.

For example, a £15,000 deposit on a £300,000 property represents 5%, leaving a £285,000 mortgage. This means the mortgage has an LTV of 95%.

A larger deposit can reduce the amount you need to borrow and may give you access to more competitive mortgage products.

Is a 10% Deposit Better?

A 10% deposit is a common target for home buyers because it gives you a lower LTV than a 5% deposit.

Suppose you are buying a £300,000 house. With a 10% deposit, you would put down £30,000 and potentially borrow £270,000.

Compared with a 5% deposit, you would need to borrow £15,000 less. Depending on the mortgage rate and term, this could reduce your monthly payments and the amount of interest paid over the life of the mortgage.

However, saving an extra 5% is not always the best decision if it leaves you without enough money for other home-buying expenses or an emergency fund.

Do You Need a 20% Deposit?

No, you do not necessarily need a 20% deposit to buy a house.

A 20% deposit can be attractive because it means you only need a mortgage covering 80% of the property's value. This can potentially provide access to a broader range of mortgage deals and lower interest rates.

However, waiting until you have a 20% deposit may not be practical for everyone. House prices, rent and other living costs can make saving a large deposit difficult.

The right deposit is therefore not simply the largest amount you can save. It is the amount that allows you to buy a suitable property while keeping your overall finances manageable.

How Does Your Deposit Affect Your Mortgage?

Your deposit can have a significant impact on your mortgage.

Generally, the larger your deposit, the smaller your mortgage needs to be. A larger deposit can also reduce your LTV ratio, which may improve your access to mortgage deals.

For instance, imagine two buyers purchasing the same £300,000 property:

• Buyer A has a £15,000 deposit and needs a £285,000 mortgage.

• Buyer B has a £30,000 deposit and needs a £270,000 mortgage.

• Buyer C has a £60,000 deposit and needs a £240,000 mortgage.

The three buyers are purchasing the same property, but their mortgage requirements are very different.

Don't Forget the Other Costs of Buying a House

Saving for the deposit is important, but it should not be the only amount you budget for.

Depending on your circumstances, buying a house may also involve costs such as:

• Mortgage arrangement or product fees

• Solicitor or conveyancing fees

• Property survey costs

• Valuation fees

• Stamp Duty Land Tax, where applicable

• Moving costs

• Buildings insurance

• Mortgage broker fees, if applicable

• Initial repairs, furniture or renovations

This means you should avoid putting every penny you have into the deposit.

Having some savings left after completing the purchase can provide a valuable financial safety net.

Can Someone Help You With Your House Deposit?

Some buyers receive financial assistance from parents or other family members. This can potentially make it easier to reach the deposit required for a mortgage.

However, lenders may have specific requirements when money is gifted or provided by another person. They may ask for documentation confirming where the money came from and whether it is genuinely a gift rather than a loan.

If you are planning to use gifted money towards your deposit, it is sensible to check the lender's requirements before applying for a mortgage.

How Long Does It Take to Save a House Deposit?

The time required to save a deposit depends on your income, expenses, property prices and savings rate.

For example, if your target property is £300,000 and you want a 10% deposit, you would need £30,000. Saving £500 per month would take five years to reach £30,000 before considering interest or changes in your savings balance.

Some buyers may be able to save more by reducing expenses, increasing their income, using a suitable savings account or taking advantage of government-supported savings schemes where eligible.

Setting a specific target can make the process more manageable. Instead of simply aiming to "save for a house", you can calculate the approximate property price, deposit percentage and monthly savings goal you need.

What Deposit Should You Aim For?

There is no universally correct deposit for every buyer.

A 5% deposit may help you enter the property market sooner, while a 10% or larger deposit could reduce your mortgage requirements and potentially improve the mortgage options available to you.

The important thing is to consider the whole financial picture. You should look at your expected mortgage payments, household expenses, additional purchase costs and emergency savings rather than focusing solely on the deposit percentage.

How Much Deposit Do You Need for a House?

So, how much deposit do you need for a house? In some cases, a buyer may be able to purchase a property with a deposit of around 5%, but the amount you need depends on the mortgage product, lender and your individual financial circumstances.

For a £300,000 house, a 5% deposit would be £15,000, a 10% deposit would be £30,000, and a 20% deposit would be £60,000. The larger your deposit, the less you generally need to borrow, although you should also make sure you have enough savings to cover the other costs of buying a home.

Before deciding how much to put down, compare your mortgage options and work out what monthly payment you can realistically afford. A well-planned deposit can help you move towards home ownership without putting unnecessary pressure on your finances.