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Start with the real deposit figure, not a round number

Most buyers focus on the deposit percentage and forget the extra costs. A 10% deposit on a £220,000 home is £22,000, but you will also need money for legal fees, a survey, mortgage product fees, removals, and possibly stamp duty or land transaction tax. As a rule of thumb, add 3% to 5% of the purchase price for these costs. On that £220,000 home, that is another £6,600 to £11,000. Your true target might be £28,600 to £33,000, not £22,000.

Work out your own target using a realistic purchase price for your area. Then divide it by the number of months you have. Saving £30,000 over 36 months means £833 a month. Over 48 months, it is £625. Writing the figure down makes it feel possible rather than vague.

Build a budget that protects both rent and savings

Start with your take-home pay. List fixed costs: rent, council tax, energy, water, broadband, mobile, insurance, transport, and minimum debt repayments. Then decide your monthly deposit saving. What is left covers food, toiletries, social life, clothes, and gifts. If the numbers do not work, change the timeline or the target rather than abandoning the plan.

A 50/30/20 split — 50% needs, 30% wants, 20% savings — is a useful guide, but rent can easily take 40% in many UK cities. In that case, aim for 15% savings and 45% wants, or trim one big category. The goal is not a perfect budget. It is a monthly plan you can repeat without dread.

Open a separate savings account and automate it

Keep deposit money away from your current account. A separate easy-access or notice account makes it harder to spend by accident. If you are buying your first home, consider a Lifetime ISA. You can save up to £4,000 each tax year and the government adds a 25% bonus, up to £1,000 a year. You must be 18 to 39 to open one, the money must be in the account for at least 12 months before you buy, and the property must cost £450,000 or less. Withdrawing for anything else usually means a 25% penalty, so only use a Lifetime ISA for money you are confident you will not need.

Set up a standing order for the day after payday. Even £50 a month builds momentum. Increase it by £10 whenever your rent, bills, or income change. Name the account something clear, such as “House deposit — do not touch”. If you are saving with a partner, both of you can use a Lifetime ISA and combine your bonuses.

Cut the big costs without making life miserable

Small cuts help, but the biggest wins usually come from rent, energy, food, and transport. At rent renewal, ask whether the landlord will freeze the rent in exchange for a longer tenancy, and compare local rents before you sign. If moving is realistic, a cheaper area or a house share can free up hundreds each month. For energy, lower your boiler flow temperature, draught-proof doors and windows, wash at 30 degrees, and avoid the tumble dryer when possible. For food, plan meals, buy own-brand staples, batch cook, and use leftovers for lunch. For transport, compare a season ticket, car sharing, cycling, or walking against daily fares.

Cancel unused subscriptions and check recurring payments. A £30 monthly saving is £360 a year, or £1,800 over five years — a meaningful chunk of a deposit.

Review your progress every month

Choose one date each month and spend 20 minutes on a review. Check your deposit balance, any interest or Lifetime ISA bonus, and your spending. Compare the balance with your target. If you are behind, pick one action: trim a category, sell unused items, take on extra hours, or extend the timeline by a few months. If you are ahead, celebrate cheaply and keep the routine. Review your rent, bills, and income too, because a pay rise or a bill increase should change your saving figure.

Keep going when life gets expensive

Before you lock every spare pound into a deposit, keep a small emergency buffer of £500 to £1,000. It stops a car repair or vet bill from derailing your plans. If you must pause saving, pause formally: set a restart date, keep the account open, and do not feel guilty. Use windfalls — a tax refund, bonus, birthday money, or money from sold items — to top up the deposit. Consistent saving, even £200 a month, beats waiting for the perfect moment. You are not just saving money; you are building the habit that will make you a calm, prepared homeowner.