This blog explains what really matters when you're weighing up your first mortgage and why getting it right from the start can make a massive difference to your finances.
Comparing mortgages for the first time can feel a bit like opening a menu in a restaurant where you don't recognise half the dishes. The prices are right there in front of you, but without knowing what you're actually ordering, choosing is mostly guesswork.
The good news is that once you know what to look for, the picture becomes a lot clearer. Here's what really matters when you're weighing up your first-time buyer mortgage and why getting it right from the start can make a massive difference to your finances for years to come.
It's not just about the interest rate
The interest rate is the number that tends to dominate the conversation. It's prominent on every comparison website, lender's homepage and mortgage calculator.
As a first-time buyer, it matters. But it rarely tells the whole story.
Most mortgage deals come with an introductory rate that lasts for a fixed period, typically between two and five years. After that, if you don't remortgage, you'll move onto the lender's Standard Variable Rate, which is almost always higher, sometimes significantly so. That means a mortgage that looks competitive today could become expensive if you're not paying attention when your deal ends.
It's also worth thinking about what type of rate you're comparing. A fixed rate stays the same for the duration of your deal, regardless of what happens to the Bank of England base rate. A tracker follows that base rate up and down. Both have their merits depending on your circumstances and your outlook. More on that shortly.
The key takeaway here is that the headline rate is a starting point, not a verdict. Two mortgages with identical rates can have very different overall costs once you factor in fees, terms and what happens when the introductory period ends.
The true cost of a mortgage
One of the most common mistakes first-time buyers make is comparing rates without comparing the full cost of the deal. Arrangement fees, booking fees, valuation fees and legal costs can vary considerably between lenders, and they add up quickly.
Some mortgages advertise no upfront fees, which can feel like an obvious win. But fee-free deals often carry a higher rate to compensate, meaning you're paying either way, just differently. So, the question to ask is which approach will cost you less over the full term of the deal?
In some cases, you can also add your fees to your loan rather than paying them up front, which might look convenient at first glance, but means you'll pay interest on them for the life of the mortgage.
So, when you're comparing deals, look at the total amount repayable, not just the monthly payment or the rate. That single figure will give you a truer picture of what each mortgage will actually cost you.
Fixed vs tracker: choosing the right mortgage type
For most first-time buyers, the choice comes down to two types of mortgage, either a fixed rate or a tracker.
A fixed rate does what it says. Your interest rate, and therefore your monthly payment, stays the same for the length of your deal. That predictability is valuable, particularly when you're adjusting to the full costs of owning your own home for the first time. You can budget with confidence, knowing exactly what's going out each month.
A tracker mortgage moves in line with the Bank of England base rate, plus a set margin. When the base rate falls, your payments go down. When it rises, so do they. It can suit some borrowers, particularly those with enough financial flexibility to absorb a rate rise, but it introduces an element of uncertainty that not everyone is comfortable with.
Neither option is inherently better. It all depends on your financial situation, how long you plan to stay in the property, and, honestly, how much peace of mind matters to you.
Why the size of your deposit matters
Loan-to-value (LTV) is the ratio of your mortgage to the value of the property. If you're buying a £300,000 home with a £30,000 deposit, your LTV would be 90%. If your deposit is £60,000, it would drop to 80%.
That difference can matter more than you might realise. The lower your LTV, the less risk you represent to a lender, and lenders reward that with better rates and a greater choice of products. So, saving a little longer to reduce your LTV from 90% to 85% can open up cheaper options.
It also affects your eligibility. Some lenders won't lend above certain LTV thresholds, particularly on certain property types or for borrowers with any complexity in their financial picture. Knowing where you sit and what moving that number would take is a useful thing to understand before you start applying.
Affordability: what lenders look for
Lenders don't just look at your salary when they assess how much you can borrow. They look at the whole picture, including your regular outgoings, existing credit commitments, childcare costs, subscriptions and anything else that affects your disposable income. They'll also stress-test your application to check whether you could still afford the repayments if interest rates rose.
This is why preparation matters as a first-time buyer. In the months before you apply, it's worth reviewing your bank statements through a lender's eyes. Reducing unnecessary outgoings, paying down your credit card balance and avoiding new credit applications can all strengthen your position. So can understanding how lenders in different parts of the market calculate affordability, because they don't all use the same criteria.
Knowing your numbers before you approach a lender puts you in a much stronger position. It also means fewer surprises later in the process, when they're the last thing you need.
Your mortgage term
Stretching your mortgage over a longer term, such as 30 or 35 years instead of 25, reduces your monthly payment. For some first-time buyers, that breathing room can help massively.
But you need to understand the trade-off. The longer your term, the more interest you pay in total, often by a substantial margin. A lower monthly payment today can mean you'll pay tens of thousands of pounds more over the life of the mortgage.
That's not a reason to avoid a longer term if it makes your mortgage more viable. But it is a reason to revisit the term as your circumstances improve.
Why use a mortgage broker?
Everything above is worth knowing. But applying it all, across dozens of lenders and hundreds of products, while dealing with everything else that goes with buying your first home, is a significant undertaking.
That's where FG & Cook can help. As a whole-of-market broker, we have access to a wider range of mortgage products, some of which aren't available directly to the public, and we know which lenders are most likely to view your application favourably, based on your income, deposit, credit history and the property you're interested in.
Jason Cook, our chief broker, and his team have more than 50 years' combined mortgage experience. Our lender relationships and depth of knowledge mean we can find you the right first-time buyer mortgage and be with you every step of the way, from your first conversation to completion.
So, if you'd like to talk through your options with one of our experienced mortgage advisers, we're here to help you buy your first home with confidence. Get in touch with us today to book your consultation.