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Commercial bridging guide

Commercial bridging loan vs commercial mortgage: which fits your deal?

The choice of commercial bridging loan vs commercial mortgage comes down to time: a bridge is short-term finance secured on commercial property for months, while a commercial mortgage is long-term finance repaid over years from rent or trading profit. Both are secured on the property, but they are built for different jobs.

8 min readReviewed October 2026 by Matt Lenzie
Bridging calculator

In this guide we put the two side by side, explain when each fits, and show how many borrowers use both: a bridge to buy or improve the property, then a commercial mortgage to hold it. We arrange bridging finance through a wide panel of lenders and work alongside our commercial mortgage colleagues when a refinance follows.

Key takeaways
  • A bridge is short-term and lends on property value and exit; a commercial mortgage is long-term and lends on income.
  • Bridging suits auctions, vacant or tired property, land and planning plays; mortgages suit stable, let or trading property.
  • On cost, the commercial bridging loan vs commercial mortgage comparison favours the mortgage, but bridging can be the only option when time or condition rule a mortgage out.
  • Many borrowers bridge first, then refinance onto a commercial mortgage once the property is let or improved.
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What is the difference between a commercial bridging loan vs commercial mortgage?

A commercial mortgage is designed for a stable property and a stable borrower. The lender looks at the rent from tenants, or the profit of the business in occupation, and asks whether that income can pay the loan over many years.

A commercial bridging loan is designed for change. The property may be vacant, need work, be bought at auction, or be waiting for planning permission. The lender looks mainly at the property's value and at how the loan will be repaid at the end, which is usually a sale or a refinance onto a mortgage.

So when you weigh a commercial bridging loan vs commercial mortgage, the question is rarely which product is better in general. It is which one suits the property and your plan right now.

Side-by-side: bridging finance and a commercial mortgage

FeatureCommercial bridging loanCommercial mortgage
PurposeShort-term: purchase, works, planning, timing gapsLong-term holding of stable property
Term1 to 24 months, commonly 6 to 18Commonly several years and longer
RepaymentInterest-only, one lump sum at exitUsually capital and interest monthly
Lender focusProperty value and exit strategyRental income or trading profit
Property conditionVacant, tired or mid-change acceptedUsually let or trading, in good repair
Typical LTVCommonly up to 70% to 75% on a first chargeSet by both value and income cover
SpeedCan complete in two to four weeks where valuation and legals move quicklyUsually several weeks to months
PricingMonthly interest, higher overall costAnnual rate, lower overall cost
FeesArrangement fee typically 1% to 2%, plus valuation and legalArrangement, valuation and legal fees
Early repaymentUsually allowed, sometimes with minimum interestEarly repayment charges are common

Use our bridge vs mortgage calculator to compare the cost of each over your own timeline.

When does short-term commercial finance fit?

Bridging is usually the right tool when a commercial mortgage lender cannot, or will not, act in the time or on the property you have.

In each case, the bridge is temporary. The lender needs to see that a mortgage or sale will follow.

Have a deal in front of you?Send us the property and the numbers. We will tell you quickly whether it is fundable.

When is a commercial mortgage the better choice?

If the property is let on reasonable leases, or your business has trading accounts and is buying premises without time pressure, a commercial mortgage is usually cheaper and simpler over the long run.

Long-term lenders often charge early repayment fees, so if you may sell within a year or two, check those terms carefully. Our sister commercial mortgage team can help on the long-term side.

How lenders assess each type of loan

Underwriting is where the commercial bridging loan vs commercial mortgage gap is widest. It is different, which is why a case declined by one type of lender can be accepted by the other.

Bridging lender

Commercial mortgage lender

Our bridging application checklist lists what a bridging lender typically asks for.

Bridge then refinance: using both

The most common pattern we see is a bridge followed by a commercial mortgage. The bridge solves the short-term problem; the mortgage is the exit.

Illustrative example (round numbers, not a quote): an investor buys a vacant industrial unit at auction for £800,000. No term lender will lend on it while it is empty, and the deadline is 28 days.

  1. A bridging lender advances around 70% of value, £560,000, with interest retained.
  2. The investor completes on time and spends four months finding a tenant.
  3. Once a lease is signed, a commercial mortgage lender assesses the rent and refinances.
  4. The mortgage repays the bridge, and the investor holds the let unit long term.

Start talking to the term lender early. Our commercial bridge to let page covers this route, and our exit strategies guide explains the evidence each lender wants.

Is a bridging loan better than a mortgage on cost?

On cost alone, no. Bridging is priced per month and carries fees, so for the same loan held for the same period it is more expensive. But the comparison is only fair if both products are available. If a mortgage lender will not lend on the property, or not in time, the real comparison is between bridging and losing the deal.

To keep bridging cost under control:

Bridging on commercial or investment property for business purposes is unregulated and we arrange it directly. If the security includes a home you or an immediate family member live in, the loan may be a regulated mortgage contract, and we introduce it to a firm directly authorised by the Financial Conduct Authority.

Unregulated commercial and investment bridging is arranged directly. Any case where the security includes a home you or an immediate family member occupies, including a flat above commercial premises, may be regulated and is introduced to a firm directly authorised by the Financial Conduct Authority. We are not directly authorised by the Financial Conduct Authority ourselves. Your property may be repossessed if you do not keep up repayments on a mortgage or any other debt secured on it.

Good questions, clear answers

Bridging vs commercial mortgage: questions answered

Ask about your situation
Is a bridging loan better than a mortgage?

Neither is better in every case. A commercial mortgage is cheaper for holding a stable, let or trading property over years. A bridging loan is better when you need speed, the property is vacant or needs work, or a mortgage lender will not lend yet. Many borrowers use a bridge first, then refinance onto a mortgage.

What does Martin Lewis say about bridging loans?

We do not quote individual commentators. The general consumer view is that bridging is a costly short-term tool and should be used only with a clear plan to repay it. That applies to commercial borrowers too: compare total cost with a mortgage and make sure your exit is evidenced.

What are the downsides of a bridging loan?

Higher cost than a mortgage, monthly pricing that punishes delays, up-front valuation and legal fees, and exit risk if a sale or refinance takes longer than planned. Lenders take a charge over the property and often personal guarantees from company directors.

How much would a 200k bridging loan cost?

It depends on the monthly rate, fees and how long you keep it. As an illustration, a 1% to 2% arrangement fee on £200,000 is £2,000 to £4,000, plus monthly interest, valuation and legal fees and any exit fee. Our bridging cost calculator lets you model your own figures.

Can I switch from a bridge to a commercial mortgage early?

Usually yes. Most commercial bridges can be repaid at any time, although some have a minimum interest period. Once the property is let or the works are finished, you can refinance as soon as a term lender is ready, which reduces your total bridging cost.

Can a business use bridging to buy its own premises?

Yes. A business can bridge to complete quickly, then refinance onto an owner-occupier commercial mortgage once accounts and underwriting are ready. If the premises include a flat the owner or family will live in, the loan may be regulated, and we introduce it to an FCA-authorised firm.

What's your next move?

Tell us about the property and the loan you need. We come back with indicative terms and tell you plainly if any part of it is regulated.