Bridging finance

Auction finance for commercial property

Auction finance is short-term funding arranged to complete the purchase of a property bought at auction, almost always structured as a bridging loan because of

Matt Lenzie
Written and reviewed by Matt Lenzie Founder & Principal Broker · 25 years arranging warehouse and industrial finance

Auction finance is short-term funding arranged to complete the purchase of a property bought at auction, almost always structured as a bridging loan because of the speed it demands. When the hammer falls at a property auction the buyer is contractually committed, and completion usually has to happen within twenty-eight days, far faster than any standard mortgage can deliver. We arrange auction finance as an introducer rather than a lender, and on the warehouse and industrial lots we see most often, having funding ready before the auction is the difference between winning a unit and losing the deposit.

This guide explains how auction finance works, how quickly it can be arranged, what it costs, who typically uses it and how the loan is repaid once the purchase completes. We cover the timeline from registering to bid through to completion, the role of the legal pack, and why a clear exit such as a refinance onto a commercial mortgage is essential. It is written for investors and business owners eyeing industrial and commercial lots, where the right finance, arranged in advance, lets you bid with confidence and complete on time.

How does auction finance work?

Auction finance works by putting fast, property-secured funding in place so you can meet the auction completion deadline. In practice it is a bridging loan: a lender takes a charge over the property you are buying and releases the funds quickly, typically within the twenty-eight day window that follows a successful bid. The loan covers the bulk of the purchase price, you contribute the balance plus the fees, and the whole arrangement is built to complete inside the timeframe a standard mortgage could never hit.

The sensible order of events is to arrange the finance before you bid, not after. A buyer registers with the auction house, reviews the lot, and gets an agreement in principle from a lender so they know how much they can borrow and on what terms. They then bid up to a limit set by that funding. When the hammer falls the buyer pays the auction deposit on the day, signs the contract, and the lender moves to complete the loan within the remaining period so the balance is paid on the completion date.

Because the lender is funding against a deadline, the case has to be clean and the exit clear. The borrower needs the deposit ready, the legal pack reviewed in advance, and a credible plan to repay the loan, usually a refinance onto a commercial mortgage or a sale. We line up the lender and the exit before the auction so that, on the day, bidding is simply a matter of acting within funding you already have agreed, rather than scrambling for money after committing to buy.

What is the 28-day completion deadline and the legal pack?

At most UK auctions the contract exchanges the moment the hammer falls, and completion is required within a fixed period, traditionally twenty-eight days, though some auctions set twenty days and the modern method can allow longer. From that moment the buyer is legally bound to complete and the auction deposit, usually around ten percent, is committed. Miss the completion date and the buyer can lose that deposit and face further liability, which is precisely why finance has to be ready to move fast.

Every lot comes with a legal pack, prepared by the seller's solicitor, containing the title documents, searches, special conditions of sale, any tenancy or lease details and other key information. Reviewing the legal pack before you bid is essential, because it reveals anything that could affect value or the ability to finance the lot, such as a short lease, a restrictive covenant or an unusual title. A lender will want to see that the pack has been checked, and a problem found after the hammer falls is far harder and costlier to deal with.

The compressed timetable is what makes auction finance a specialist task rather than an ordinary purchase. Solicitors work quickly, the valuation is commissioned without delay, and the lender prioritises completing within the deadline. Getting the legal pack reviewed and the funding agreed in principle before the auction removes most of the risk, because the work that normally slows a purchase is done in advance, leaving only the completion mechanics to handle inside the twenty-eight days.

How quickly can auction finance be arranged?

Auction finance is built for speed, and where the case is clean it can complete comfortably inside the twenty-eight day deadline. An agreement in principle can often be issued within a day or two, giving you a borrowing limit to bid against, and once you have won the lot the lender moves straight to valuation, legal work and completion. On a straightforward industrial unit with a clear legal pack and a ready exit, the funds can be in place well within the window.

What governs the speed is preparation rather than the lender alone. The fastest completions happen when the deposit is ready, the legal pack has been reviewed before the auction, the valuation can be booked quickly and the exit is already mapped. Where any of those is missing, the timetable tightens, and a problem surfacing in the legal pack after the hammer falls is the most common cause of a deadline coming under pressure. This is why we do the groundwork before you bid.

It also helps to choose a lender that handles auction work routinely, because such lenders expect the compressed timetable and have valuers and solicitors geared to it. As an introducer we place auction cases with lenders set up to move at that pace, rather than with one that treats every loan as a leisurely process. The combination of a prepared borrower and a lender used to auctions is what reliably gets the funding completed inside the deadline.

What does auction finance cost?

Because auction finance is a bridging loan, it is priced like one. The interest is charged monthly, commonly somewhere between around 0.6 and 1.2 percent per month depending on the loan to value, the property and the borrower, which is more expensive than a long-term mortgage but is the cost of the speed the deadline demands. The interest can be serviced monthly, rolled up and added to the balance, or retained from the advance, depending on what suits your cash flow over the short period the loan runs.

On top of the monthly interest sit the usual bridging fees. There is an arrangement fee, commonly one to two percent of the loan, a valuation fee for the surveyor, legal costs for both your side and the lender's, and sometimes an exit fee when the loan is repaid. You also need the auction deposit on the day and the balance of your own contribution at completion, since the loan funds a percentage of the value rather than the whole price. We set out the full cost before you bid so your maximum bid reflects the true all-in figure.

Because the cost is driven by how long the loan runs, the exit timing matters as much as the rate. Auction finance is usually held only for the few months it takes to refinance onto a commercial mortgage or to sell, so the interest bill stays modest if the exit lands on time. We model the cost at the realistic exit date and at a cautious worst case, so the price of the speed is clear and you do not let an otherwise good lot turn expensive through a slow exit.

Who typically uses auction finance and for what property?

Auction finance is used most by property investors and business owners who buy at auction precisely because it is fast and competitive. Investors picking up industrial units, commercial buildings or mixed-use lots to add to a portfolio rely on it to complete inside the deadline, then refinance onto a longer-term commercial mortgage once they own the asset. Developers and traders who buy to refurbish and sell on use it to secure the property and fund light works before the exit.

Owner-occupiers buying premises for their own business also use auction finance, where a suitable warehouse or unit comes up at auction and a standard mortgage simply cannot complete in time. In each case the appeal is the same: auctions often offer property below open-market prices or with vacant possession, and the buyer who has finance ready can act decisively while others who need a slow mortgage cannot bid at all. For an investment buyer adding to a portfolio, that head start is often the difference between winning the lot and missing it, and the finance turns the deadline from an obstacle into an advantage.

The property types suited to auction finance are broad, covering warehouses, industrial units, shops, offices, mixed-use buildings and land, including lots that a mainstream lender would decline because they need work. Because the loan is short term and secured on the asset, it can fund property that is not yet mortgageable, with the works done before a term loan refinances it. We match the borrower and the lot to a lender comfortable with that type of property, so the funding fits both the deadline and the asset.

FAQ

Auction finance: common questions

How does auction finance work?

Auction finance works as a short-term bridging loan that completes an auction purchase inside the deadline, usually twenty-eight days. You arrange an agreement in principle before the auction so you know your borrowing limit, bid up to that limit, and pay the auction deposit on the day. The lender then takes a charge over the property and releases the funds to complete on time, with you contributing the balance plus fees. The loan is later repaid through an exit such as a refinance onto a commercial mortgage or a sale, replacing the short-term money with cheaper long-term finance.

What is the 10 minute rule at auction?

The reference people most often mean is the auction completion timetable rather than a literal ten minutes: at most UK auctions the contract exchanges the instant the hammer falls and completion must follow within a fixed period, traditionally twenty-eight days, with the buyer paying a deposit of around ten percent on the day. The buyer is legally committed from that moment, so missing the completion deadline can mean losing the deposit and facing further liability. That short window is why fast auction finance, arranged in principle before bidding, is the usual way to complete on time.

Can I borrow money for an auction property?

Yes. Auction finance, structured as a bridging loan, is designed exactly for this, funding a percentage of the property value so you can complete inside the auction deadline. You arrange it in principle before bidding, contribute the deposit and your share of the cost, and the lender completes the loan within the twenty-eight day window. The loan is then repaid through an exit such as refinancing onto a commercial mortgage or selling the property, and it can fund lots a mainstream lender would decline because they need work.

Who typically uses auction finance?

Auction finance is used mainly by property investors and business owners buying industrial units, commercial buildings, mixed-use lots or land at auction, where the twenty-eight day deadline rules out a standard mortgage. Investors use it to secure assets and then refinance onto a longer-term commercial mortgage, developers and traders use it to buy and refurbish before selling, and owner-occupiers use it when premises for their own business come up at auction. The common thread is a buyer who needs to complete quickly and has a clear exit to repay the loan.

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