Start with a mortgage that fits the property and your plans
“Cheapest” sounds like a single product at the top of a list. In practice, eligibility, fees and what you expect to do with the property can change which mortgage costs you least. These checks help you prepare a useful comparison.
How do you find a lower-cost buy-to-let mortgage?
Compare mortgages you could actually use for the same property, loan and period. Start with accurate purchase or remortgage figures, check what the lender will accept, then compare the payments, product and advice fees, deal-end balance and restrictions on a consistent basis. The lowest advertised interest rate is not necessarily the least expensive route for your plans.
There is no universal “cheapest” buy-to-let deal. Products can change or be withdrawn, and a lender must assess the application and property. Our buy-to-let rates page explains the cost comparison in detail. This guide focuses on what to prepare and which decisions may change the result.
Five checks that can prevent a costly mistake
Set the loan and keep a cash reserve
Work out the deposit or equity, proposed loan and other purchase or refinancing costs. A lower loan-to-value can open different product bands, but a bigger deposit does not guarantee a cheaper overall mortgage. Avoid using every available pound if that would leave no room for voids, repairs or fees. Our buy-to-let deposit guide covers the wider cash requirement.
Use a realistic rent and accurate property details
Give the adviser the address, property type, intended tenancy and a supportable rental estimate. A lender may use its own valuation and rental stress test. Raising the asking rent on paper will not establish eligibility; nor is the stress-test payment the same as your actual mortgage payment. Check the criteria guide if the rent or property type is unusual.
Check your credit record for mistakes
Review the information held by credit-reference agencies and correct genuine errors before applying. Tell your adviser about missed payments, defaults or other issues so the search can reflect the facts. A particular score does not guarantee a product or rate; lenders assess credit history in different ways. If this is relevant to you, see the buy-to-let and adverse credit guide.
Match the deal to your likely timing
Think about a sale, refurbishment, further borrowing or refinancing before choosing a long initial deal. An early repayment charge, overpayment limit or offer expiry can outweigh a small rate difference. If you are already a landlord, compare any existing-lender switch with a suitable remortgage and include your current deal-end date and charges. The remortgage guide sets out that separate decision.
Request figures for the same comparison period
Ask for illustrations showing the loan, repayment method, product fee, other charges and payment schedule. Check whether a fee is paid upfront or added to the balance. Compare the balance remaining at the end of the period you expect to keep the deal. A lender’s annual percentage rate of charge (APRC) is useful on its stated whole-term assumptions, but it may not answer a shorter-term question on its own.
What can make a low-priced offer unsuitable?
Fees and loan size
A fixed product fee can be significant relative to a smaller loan. A percentage fee grows as borrowing rises. Compare the total, including whether an added fee itself attracts interest.
Rate certainty and flexibility
A fixed rate can make the interest-rate part of payments predictable for its period. A tracker or discounted rate can move under its terms. Neither type is automatically cheaper; check the risks and restrictions that matter to your plan.
Interest-only and repayment
An interest-only monthly payment does not reduce the capital owed. A repayment mortgage usually has a higher monthly payment at the same rate and term but reduces the balance over time. The lower payment is not the same as lower long-term cost.
Property and ownership fit
A personal buy-to-let product may not fit company borrowing, an HMO or another specialist letting arrangement. A low advertised rate has no value if the lender will not accept the case or property.
Illustrative situation, not a lender decision: A landlord who expects to sell soon may put more weight on an early repayment charge than someone planning to hold a property for years. The comparison must use the actual offer terms, possible exit date and costs; neither person can be assigned a “best” deal from this example alone.
What can Count Ready compare for you?
Count Ready can take the property, rent, loan, ownership, credit and timing into account before discussing suitable routes and their costs. Its published Terms of Business say the initial evaluation has no fee, later processing and offer fees may apply, and lender commission may be received. They also say the lender range does not include deals available only by going directly to a lender. Ask for the fee and scope that apply to your case before instructing chargeable work.
A broker cannot promise the market’s absolute lowest cost, an exclusive product, lender acceptance or a saving greater than their fee. Compare any direct lender option you are considering on the same basis. You can read more about the firm on the About Count Ready page and check its details through the Financial Services Register. The regulatory treatment of a buy-to-let application depends on its circumstances.
For a useful first conversation, bring an approximate property value or purchase price, loan needed, expected rent, whether you will borrow personally or through a company, and any deadline or existing mortgage charge. Do not send identity documents, account numbers or bank statements through the initial callback message.
Questions about cheaper buy-to-let mortgages
Will a larger deposit always lower my buy-to-let rate?
No. A lower loan-to-value can change the products available, but rates and total costs also depend on the lender, property, rent, applicant and fee structure. Keep a realistic cash reserve and compare actual eligible offers.
Can a broker guarantee the cheapest deal?
No. Product availability and eligibility change, and no broker covers every direct-only product. Ask about lender access, advice fees and the full cost of the options being compared. A lender makes the final lending decision.
Should I wait for buy-to-let rates to fall?
Future rates cannot be predicted reliably. Compare the cost and risk of acting now with waiting, taking account of your purchase deadline or current deal end, possible rate changes, and any early repayment charge. An adviser can explain current options without promising the direction of rates.
Will improving my credit score secure a better rate?
Not automatically. Correcting errors and understanding your credit history can help you present an accurate application, but lenders assess the full case using their own criteria. Avoid making repeated applications simply to test advertised prices.
Is the lowest monthly payment the cheapest mortgage?
Not necessarily. Interest-only and longer repayment terms can lower monthly payments while leaving more capital outstanding or increasing total interest. Include fees, restrictions and the balance at the point you expect to review the mortgage.
Ask what could be suitable and what it may cost
Tell Count Ready whether you are buying or remortgaging, with approximate value, loan, rent and any deadline. The first discussion can establish which facts and documents are needed for a meaningful comparison.
Your property may be repossessed if you do not keep up repayments on your mortgage.