Mortgages for Buy-to-Let

We arrange buy-to-let mortgages for landlords.

First property, portfolio, limited company, HMO, MUFB or holiday let, we know the lenders and the criteria that actually work.

For a deeper dive into any of these areas, browse our buy-to-let guides.

What type of Buy-to-Let Mortgage are you looking for?

Mortgages for HMO Landlords

Mortgages for Limited Company Landlords

Mortgages for Holiday Let Owners

Mortgages for Landlords

A landlord-focused overview of buy-to-let mortgages, including how rental income is assessed and the main mortgage structures landlords may use.

A buy-to-let mortgage is still secured against the property, but the assessment approach is often different from a standard residential mortgage.

Common differences include:

Rental income is central: lenders focus on whether expected rent is likely to cover mortgage costs.
Affordability is stress-tested: many lenders use conservative assumptions to check the mortgage remains serviceable if circumstances change.
Deposit and loan-to-value (LTV) can be influential: the size of your deposit may affect the range of products available.
The mortgage structure matters: repayment vs interest-only, and the long-term plan for the loan, can influence suitability.

Every lender has its own approach, but buy-to-let decisions commonly consider a blend of rental and borrower factors.

Rental income potential

Lenders typically look at the rent the property could reasonably generate. Evidence may include comparable rental values, property details, and the type of tenancy.

Stress-tested coverage

Even where rent appears sufficient, lenders may test affordability using more cautious assumptions, such as lower rent and/or higher interest rates, to reduce the risk of future shortfalls.

Your wider financial position

Although rental income is key, personal financial circumstances can still be relevant. This may include existing commitments, income profile, and overall debt, particularly where lenders want additional reassurance.

Deposit / LTV

A lower LTV can reduce lender risk and may improve access to certain products.

Credit history

Credit performance can affect what’s available and how lenders view the overall risk.

Property factors

Property type, location, and sometimes condition can influence how lenders view rental prospects and risk.

A competitive rate doesn’t always mean the best overall outcome. Landlords often compare deals using a wider lens.

Things to consider include:

Total cost over the initial period (not just the rate)
Fees (such as arrangement and valuation costs)
Early repayment charges (ERCs) if you might refinance or sell within the initial period
Repayment structure (repayment vs interest-only)
How affordability is calculated, including the lender’s rental assumptions and stress testing

Over time, interest rates, rental income, and lender criteria can change. A buy-to-let mortgage that suited the start of your plan may not always remain the best fit.

Landlords often review their position when:

an initial fixed or discounted period ends
they want to restructure repayments or release equity
their portfolio grows and affordability needs to be reassessed
they want to align the mortgage with a revised investment strategy

Rental yield is a way of estimating the return a property may generate through rent and can help you assess whether an investment stacks up.

You can calculate yield using:

Gross yield: annual rent divided by property value (before costs)
Net yield: annual rent minus certain costs, then divided by property value

Lenders may look at rental income in different ways, but having a clear yield calculation can help you sanity-check whether the investment is likely to meet affordability expectations.

Specialist buy-to-let scenarios landlords may consider

Depending on the property and the rental strategy, you may encounter specialist routes. Each has dedicated pages with more detail.

House of Multiple Occupancy (HMO)

An HMO is typically shared by multiple households. Because the rental model and management approach can differ from standard tenancies, lenders may treat affordability and risk differently. Local authority rules and requirements can be important when considering an HMO.

Buying through a limited company (SPV)

For landlords with larger portfolios, some choose to invest through a limited company special purpose vehicle (SPV). This can change how the investment is structured and how lenders assess the application.

Holiday lets

Holiday let properties are rented to guests for short periods rather than being let on a long-term basis. This can affect how lenders view rental income stability and risk. See our dedicated holiday let mortgages page for more information.

Other investment property types

Beyond standard buy-to-let, there are other investment property routes that may be relevant depending on your strategy:

Overseas BTL: Buying property outside the UK for rental purposes, with more specialised lending options
Commercial BTL: Financing commercial premises (offices, shops, warehouses) leased to businesses, assessed differently from residential BTL
Buy-to-sell: Purchasing a property with the intention of renovating and selling rather than holding as a rental