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BTL Insight gives you information and tools to check the numbers. It is not financial advice, and it is not a substitute for a qualified adviser.
Last updated: 18 June 2026
The tools and content on btlinsight.co.uk are provided for general information only. They are designed to help you understand buy to let numbers before you spend money on surveys, legal work or a mortgage application. Please read this page so you know what the site is, and what it is not.
Nothing on this site is financial advice or a personal recommendation. The calculators cannot see your full financial picture, your credit history, or your wider plans, so their results cannot tell you what you should do. They are a starting point for your own thinking and for a conversation with a professional, not a decision in themselves.
BTL Insight is an information service. It is not a mortgage broker, it is not regulated to give advice, and it does not sell, arrange or recommend any mortgage or financial product. There is nothing to buy here and no product comparison that steers you toward a particular lender.
The figures the tools produce are estimates based on the information you enter and on typical lender criteria. Lenders use different interest cover ratios, stress rates and fees, and those criteria change often, so a real lender's decision and figures may differ from what a tool shows. Tax rules, stamp duty bands and interest rates also change over time. Always confirm any figure with the lender and a qualified adviser before you rely on it.
Any decision you make after using the site is your own. To the extent the law allows, BTL Insight accepts no liability for loss or damage arising from use of the tools or content, or from any action taken or not taken based on them. Buy to let involves financial risk, including the risk that property values fall, that a property sits empty, or that mortgage costs rise.
For a recommendation that fits your circumstances, speak to a qualified mortgage adviser, accountant or solicitor as appropriate. They can confirm the numbers, account for your full position, and recommend a product or structure that suits you.
Where the site links to other websites, such as HMRC, Revenue Scotland or the Bank of England, those sites are not under our control and we are not responsible for their content. Links are provided for convenience and do not imply endorsement.
Important: BTL Insight provides information and tools, not financial advice. The results are estimates to help you understand your options. They do not account for your full circumstances and are not a recommendation. Always confirm the figures with a qualified mortgage adviser and the lender before you make a decision.