In plain English

A mortgage used to purchase a property that will be rented out rather than occupied by the borrower. Lenders assess the deal on projected rental income alongside the borrower's personal income.

What Buy-to-Let Mortgage means in practice

A buy-to-let mortgage funds a property you intend to let rather than live in. The lender is underwriting two things at once: the property's ability to generate rent, and your ability to cover the instalment during void periods when it generates none.

Because the bank carries more risk than on an owner-occupied home, buy-to-let deals typically require a larger deposit and carry a slightly higher margin. Rental income usually supports the case rather than replacing the income test.

How it works in the UAE

In the UAE an investment or second property is capped at 60% financing for expatriates and 65% for UAE nationals, so the deposit starts at 40% and 35% respectively. Lenders will normally want to see a tenancy contract or a credible rental valuation, and many discount the stated rent before feeding it into the affordability calculation.

A worked example

An expatriate buying a AED 1,200,000 apartment to let can borrow up to 60% — AED 720,000 — and must fund AED 480,000 from their own resources, before adding the 4% Dubai Land Department fee of AED 48,000 and the other transaction costs.