By Boiler Quotes Editorial Team · Updated 24 July 2026
Can You Get a New Boiler on Finance?
Yes. A new boiler is one of the most common home purchases people spread over time, and finance is widely available. It usually comes from one of three places: the installer, through a lender they work with; the boiler manufacturer, as some run their own offers; or a third-party lender such as a bank or a specialist home-improvement finance provider.
Whichever route you take, a boiler finance agreement is a regulated credit product. That means the lender should be authorised by the Financial Conduct Authority, you are entitled to clear information about the interest rate and the total you will repay, and you get a short cooling-off period after you sign.
The Main Ways to Pay Monthly
Not every "pay monthly" offer is the same. These are the options you are most likely to be offered for a new boiler.
| Option | Typical term | The idea | Watch for |
|---|---|---|---|
| Interest-free (0% APR) | 1 to 3 years | Spread the cost with nothing added, if you keep to the plan. | Shorter terms mean higher monthly payments, and a deposit is often required. |
| Buy now, pay later (deferred) | Settle within 6 to 12 months | No payments for a set period, then pay in full before interest applies. | Miss the deadline and interest is often backdated to day one. |
| Interest-bearing pay monthly | 2 to 10 years | A lower monthly cost by spreading over longer, with interest added. | The longer the term, the more interest you pay overall. |
| Personal loan | 1 to 7 years | Borrow from your own bank and pay the installer in cash. | Your rate depends on your credit, so compare it against installer finance. |
A cash purchase, or a 0% plan you clear inside the interest-free window, are the only ways to pay nothing for the borrowing. Everything else has a cost, and that cost is the number to compare.
What "0% Finance" Really Means
Interest-free finance is genuinely free borrowing, but a few conditions are worth understanding before you rely on it.
- The term is short. Most 0% boiler deals run over one to three years, so the monthly payment is higher than an interest-bearing plan spread over five or ten.
- A deposit is common. Many 0% offers ask for 10 to 50 percent upfront, with the balance spread interest-free.
- You still need to pass a credit check. A 0% deal is still lending, and approval is not guaranteed.
- The headline price should match the cash price. If the 0% version quietly costs more, the interest has been baked into the price rather than removed.
What a Boiler on Finance Actually Costs
The monthly figure is designed to feel affordable, so it is the wrong number to judge a deal by. The number that matters is the total amount repayable: the cash price plus every pound of interest over the full term.
As an illustration only, here is how the term changes the total on a £2,500 boiler:
| Plan | Rough monthly | Rough total repaid |
|---|---|---|
| £2,500 over 2 years at 0% | about £104 | £2,500 |
| £2,500 over 5 years at 9.9% APR | about £53 | about £3,180 |
| £2,500 over 10 years at 9.9% APR | about £33 | about £3,960 |
These figures are illustrative, not a quote, and real rates depend on the lender and your circumstances. The pattern always holds, though: a lower monthly payment over a longer term means more interest paid in total. Spreading a £2,500 boiler over ten years can add well over a thousand pounds to what you hand over.
Finance vs Paying Upfront
If you can pay in cash without emptying your savings, it is usually the cheapest option, and some installers offer a small discount for payment on completion because they avoid the finance fees. It is always worth asking what the price would be for cash.
Finance earns its place when the alternative is worse: waiting until a failing boiler dies completely and paying emergency prices in the middle of winter, or putting the cost on a credit card at a higher rate. Spreading a planned replacement at 0%, or at a rate lower than your other borrowing, can be a sensible way to manage an unavoidable expense.
Grants, and Where Finance Fits
Before you borrow, it is worth checking whether you qualify for help. Government-backed schemes exist, though most are aimed at low-income households or at low-carbon systems such as heat pumps rather than a straight gas boiler swap. Our guide to boiler grants in the UK explains who tends to qualify and how to check without being sold to. If a grant does not apply to you, which is the realistic starting point for most homeowners, finance is the usual way to spread the cost.
What to Check Before You Sign
- The APR and the total repayable, not just the monthly payment.
- Whether there is a deposit, and how much.
- The length of the term, and whether you can overpay or settle early without a penalty.
- Who the lender is, and that they are authorised by the Financial Conduct Authority.
- What happens if you miss a payment, especially on deferred deals where interest can be backdated.
- That the cash price and the finance price match, so you are not paying hidden interest behind a 0% badge.
This is general information rather than financial advice. If you are unsure whether borrowing is right for you, free and impartial guidance is available from MoneyHelper.
Is a New Boiler on Finance Worth It?
For many households it is, provided the sums are done honestly. A boiler is not a purchase you can put off indefinitely, and spreading a planned replacement, at 0% or at a fair rate, beats a cold house and an emergency call-out. The mistake to avoid is choosing the longest term for the lowest monthly payment without noticing how much interest that adds over the years.
Whichever way you pay, the price of the boiler itself is where the biggest savings are, so it pays to compare quotes first. See what your job should cost in our new boiler cost guide, then get real prices below.
Compare free, no-obligation quotes from up to 3 Gas Safe registered installers using the form below. Many offer finance options, so you can weigh up both the price and the way you pay.
