Buying your first home is exciting, but the months before you apply for a mortgage matter more than many people realise. Lenders do not simply look at your income — they look at the whole picture of how you handle money. The good news is that most of what makes you an attractive borrower is within your control.

Here is a practical plan for getting your finances mortgage-ready, whether you hope to buy in six months or twelve.

Start With Your Credit File

Before you do anything else, find out what lenders will see. You can request a statutory report from each of the main credit reference agencies, and many offer free ongoing access to your file. Check every entry carefully — addresses, balances, missed payments and any accounts you do not recognise. Mistakes are more common than you might think, particularly where an old address has been linked to someone else's debts. Raising a dispute is free, but it takes time, so start early.

A few habits that help:

• Register to vote at your current address; it is one of the simplest signals of stability.
• Avoid making lots of credit applications in a short period, as each one leaves a mark.
• Keep balances low relative to your limits — using under about 30 per cent of your available credit looks calmer to lenders.
• Leave older accounts open where they are in good order, as a longer history usually works in your favour.
• Watch for anything unusual. A payday loan or a run of buy now, pay later plans can weigh on an application even if you paid on time.

Clear Small Debts and Steady Your Accounts

You do not need to be debt-free to get a mortgage, but the shape of your borrowing matters. Clearing a small credit card or catalogue balance does two things: it reduces the amount lenders treat as committed spending, and it shows you can clear what you owe.

Prioritise expensive debt first — store cards, overdrafts and anything charging a high rate. If you live in your overdraft, aim to be out of it for at least three months before applying, because lenders look at recent bank statements rather than your best intentions. Keep rent, direct debits and bill payments running without any returned payments; a single missed payment in the last twelve months can affect the outcome.

Build a Deposit and Show a Saving Pattern

Most first-time buyers put down between 5 and 10 per cent, though a larger deposit usually means a better rate. What matters just as much as the total is how you got there. Regular, consistent saving — even modest amounts — tells a lender you can handle a monthly mortgage payment.

• Set up a standing order to a separate savings account on payday, so the money leaves before you can spend it.
• Keep that account in your own name and avoid dipping into it for day-to-day spending.
• If family are helping, ask them to confirm it as a gifted deposit in writing and be ready to explain the source of funds.
• Avoid large, unexplained cash deposits in the months before you apply, as anti-money-laundering checks mean they will be questioned.

Build a Budget That Reflects Real Life

Lenders assess affordability, not just income multiples. They will look at your committed outgoings and test whether you could still pay if rates rose, so your budget needs to be honest.

Work out what you actually spend each month, including the things people forget: commuting, childcare, insurance, subscriptions, car costs and the occasional night out. Then look at what a mortgage payment would realistically be on top. A useful rule of thumb is that your total housing costs should sit comfortably within a third of your net income, leaving room for the unexpected.

If the numbers look tight, you have options: wait and save more, look at a slightly lower price bracket, or clear a monthly commitment such as a car finance agreement before applying. Reducing a regular outgoing often increases what you can borrow by more than you would expect.

Plan for the Costs Beyond the Deposit

The deposit is rarely the whole bill. Budget for legal fees, a valuation and possibly a survey, a mortgage product fee and removal costs. In England and Northern Ireland, stamp duty may apply depending on the price and your circumstances, while Scotland and Wales have their own property taxes. Buildings insurance will also be required from the day you complete.

Having a few thousand pounds set aside for these extras means you are not stretching yourself to the last pound — exactly the position lenders prefer to see.

Get Organised, Then Seek Advice Early

Gather your documents in advance: identification, proof of address, three to six months of bank statements, payslips or accounts if you are self-employed, and evidence of your deposit. An agreement in principle, based on a soft search, lets you check what a lender might offer without harming your credit file — but keep it to one or two, and treat it as an indication rather than a guarantee.

An independent mortgage adviser can review your circumstances, spot problems before they become declined applications, and explain which lenders are likely to view your situation favourably. Good preparation is rarely dramatic. It is simply a matter of tidying up the details, saving steadily and being able to show that your finances are under control — and that is precisely what makes a lender comfortable saying yes.