The main difference between a commercial mortgage and a residential mortgage is the type of property being financed. Residential mortgages are used to buy homes, while commercial mortgages are used to finance property used for business purposes or commercial investment.
Although both types of loans are secured against property, the way lenders assess applications, structure loans and evaluate risk can differ significantly.
Understanding these differences can help borrowers determine which type of mortgage is appropriate for their situation.
What Is a Residential Mortgage?
A residential mortgage is used to purchase or refinance a property that is primarily used as a home.
These mortgages are typically used for:
- Houses
- Flats or apartments
- Residential buy-to-let properties
- Holiday homes
Residential mortgages usually follow standard lending criteria. Lenders focus mainly on the borrower’s personal income, credit history and affordability when deciding how much can be borrowed.
Many residential mortgage applications are processed using automated affordability models.
What Is a Commercial Mortgage?
A commercial mortgage is a loan secured against property used for business purposes or to generate commercial income.
These mortgages are commonly used to finance properties such as:
- Offices
- Retail units and shops
- Industrial units and warehouses
- Hotels or guest houses
- Mixed-use or semi-commercial buildings
Commercial mortgages may be used by business owners purchasing premises for their company or by property investors buying income-producing assets.
Unlike residential lending, commercial mortgage applications are usually assessed manually by lenders.
Some properties sit between residential and commercial categories. Understanding what makes a mortgage commercial can help borrowers determine which type of finance may be required.
Key Differences Between Commercial and Residential Mortgages
While both loans are secured against property, several important differences affect how they work.
How Applications Are Assessed
Residential mortgages are primarily assessed based on the borrower’s income and credit profile.
Commercial mortgages are assessed individually, with lenders considering the borrower, the property and the income generated by the property.
Deposit Requirements
Residential mortgages may allow relatively small deposits depending on the borrower’s circumstances.
Commercial mortgages generally require larger deposits, often 20% to 40% of the property value, reflecting the additional complexity and risk involved.
Interest Rates
Commercial mortgage rates are often higher than residential mortgage rates because commercial property lending can involve greater risk and more detailed underwriting.
However, rates vary significantly depending on the property type, borrower profile and lender.
Loan Structure
Residential mortgages tend to follow standard structures and repayment terms.
Commercial mortgages can be more flexible, with lenders offering different repayment structures, loan terms and underwriting approaches depending on the transaction.
Semi-Commercial Properties
Some properties fall between residential and commercial categories.
Semi-commercial properties combine residential and commercial elements within the same building.
Examples include:
- A shop with a flat above
- Mixed-use buildings with offices and apartments
- Retail premises with residential accommodation
These properties often require specialist lenders who understand mixed-use property finance.
Choosing the Right Type of Mortgage
The type of mortgage required depends on how the property will be used.
Residential mortgages are typically used for properties that function primarily as homes, while commercial mortgages are required where the property is used for business purposes or generates commercial income.
Because commercial lending criteria vary between lenders, borrowers often seek specialist advice before arranging finance.
Related Guides
- What makes a mortgage commercial?
- What can you use a commercial mortgage for?
- Who can get a commercial mortgage?
Looking for Advice on Commercial Property Finance?
Commercial mortgages can vary significantly depending on the property type, borrower profile and lender criteria.
Explore our Best Commercial Mortgage Brokers in the UK guide to compare experienced advisers who specialise in arranging commercial property finance.
