Auction Finance: Bridging Loans for UK SMBs
Auction finance is a short-term bridging loan drawn within the 28-day completion deadline imposed by most UK property auction houses. It lets businesses secure commercial lots, land, or mixed-use property at auction without having long-term mortgage funding in place on the day of the hammer fall.
How auction finance works
Auction finance is a bridging loan structured specifically to meet the tight completion timelines that UK property auctions impose, typically 28 days from the auction date, though some houses allow up to 56 days. On the day of the auction you pay a 10% deposit from your own funds; the bridging lender then funds the remaining 90% before the legal completion deadline.
Most specialist bridging lenders can issue a decision in principle within 24 hours and release funds within 7 to 14 working days, provided solicitors and valuers move promptly. Because the timescale is fixed and contractual, lenders treat it as a priority completion case, which concentrates everyone's attention on moving quickly.
Regulated vs unregulated auction bridging
Whether your auction bridging loan is regulated by the FCA depends on the property type and occupancy, not on the fact it is for an auction purchase. If any part of the security property is, or will be, occupied by the borrower or a close family member as their main residence, the FCA's Mortgage Credit Directive rules apply and the loan must be arranged through an FCA-authorised firm.
For limited companies, LLPs, and partnerships purchasing purely commercial property, mixed-use blocks, or investment residential lots, the loan is almost always unregulated. Unregulated bridging carries no statutory cooling-off period and lenders have more pricing flexibility, though borrowers have correspondingly less regulatory protection. Always confirm the regulatory status of any bridging facility before signing heads of terms.
Typical rates, fees, and costs
Auction bridging rates for commercial borrowers currently sit in the range of 0.75% to 1.35% per month, depending on loan-to-value, property type, and borrower strength. At the BoE base rate of 3.75%, some first-charge, low-LTV deals on clean income-producing assets can be priced closer to the lower end of that range.
Beyond the monthly interest, expect an arrangement fee of 1% to 2% of the gross loan, a valuation fee paid upfront, and legal fees for both your solicitor and the lender's. Exit fees are not universal but do appear in some products, typically 1% of the loan redeemed. Build a full cost schedule before bidding so you know your true acquisition cost per lot.
Loan-to-value limits and acceptable security
Most UK auction bridging lenders will advance up to 70% to 75% LTV on commercial property and up to 70% on vacant or semi-derelict sites where planning has not yet been secured. Lenders can stretch to 80% LTV on residential investment lots with strong exit routes, though pricing rises accordingly.
Acceptable security includes retail units, industrial sheds, office buildings, mixed-use blocks, HMOs, and development land with or without planning permission. Lenders are generally more cautious about specialist assets such as petrol stations, care homes, or agricultural land, which may require a specialist valuer and attract a lower maximum LTV. A clear exit strategy, whether that is refinance to a commercial mortgage or a confirmed sale, is mandatory for all auction bridging facilities.
The exit strategy: why lenders focus on it
The exit strategy is the mechanism by which the bridging loan is repaid, and every lender will scrutinise it before issuing any offer. The two most common exits for commercial borrowers are refinancing to a term commercial mortgage once the property is let or renovated, and selling the asset within the bridge term.
For a refinance exit to be credible, a lender will want evidence that the property will meet the DSCR requirements of a term lender, usually 1.25 times interest cover at the projected rental income. For a sale exit, a marketing appraisal or estate agent letter helps, but lenders are increasingly cautious about relying on an illiquid secondary market. Dual exit strategies, where a borrower can demonstrate both options, reduce the lender's risk and often improve the rate offered.
Pre-auction preparation for SMB borrowers
Completing your financing preparation before auction day is essential because you commit legally the moment the hammer falls and there is no room to renegotiate funding terms afterwards. The most effective approach is to obtain a decision in principle from a bridging lender, or through a specialist broker, before you attend or proxy-bid.
Your preparation pack should include: the auction catalogue entry or legal pack for the specific lot, three months of business bank statements, the latest filed accounts from Companies House, details of any existing charges on the security property, and a brief written exit strategy. Having solicitors on standby to review title documents on the day is equally important. Lenders will instruct their own valuer post-auction, but they need to know you have identified the lot and reviewed the legal pack already.
Common reasons auction bridging is declined
Auction bridging applications are declined for a predictable set of reasons, and understanding them in advance materially reduces the risk of a failed completion, which would mean forfeiting your 10% deposit. The most frequent decline triggers are: an unconvincing or unsupported exit strategy, a property with significant structural defects flagged by the lender's valuer, LTV above the lender's maximum after the valuation comes in below purchase price, and adverse credit in the borrowing entity or its directors.
Environmental issues such as contaminated land or Japanese knotweed, and title defects discovered in the legal pack, are also common blockers. Working with a broker who pre-screens lenders against your specific lot reduces the risk of wasting valuation fees on a lender who would never proceed. If you are declined after the hammer falls, seek specialist post-decline bridging advice immediately given the time pressure involved.
| Property Type | Typical Max LTV | Monthly Rate Range | Typical Arrangement Fee | Max Term |
|---|---|---|---|---|
| Commercial (let or vacant) | 70% | 0.85% to 1.20% | 1.5% | 12 months |
| Mixed-use block | 70% | 0.90% to 1.25% | 1.5% | 18 months |
| Residential investment / HMO | 75% | 0.75% to 1.10% | 1.0% to 2.0% | 18 months |
| Development land (with planning) | 65% | 1.00% to 1.35% | 2.0% | 12 months |
| Development land (no planning) | 55% | 1.10% to 1.35% | 2.0% | 12 months |
| Semi-derelict / uninhabitable | 65% GDV | 1.10% to 1.35% | 2.0% | 18 months |
Step-by-step
- Obtain the auction legal pack for your target lot at least 5 working days before the sale date.
- Instruct a solicitor to review the legal pack and flag title issues before you bid.
- Approach a specialist bridging broker and obtain a decision in principle, providing business bank statements, filed accounts, and your exit strategy.
- Confirm your 10% deposit funds are liquid and available on auction day.
- Attend or proxy-bid with confidence, knowing your funding is pre-screened against the specific lot.
- Instruct both your solicitor and the lender's valuer the morning after the hammer falls to maximise the time available before the 28-day deadline.
- Complete the bridging draw, then execute your exit strategy, whether refinance or sale, within the agreed term.
Example
A four-partner property LLP attended a regional commercial auction and secured a vacant retail unit for £340,000. They had obtained a bridging decision in principle at 70% LTV the week before, so the lender instructed a valuer on day one post-auction. The loan of £238,000 completed on day 19. Six months later the unit was let and refinanced to a five-year commercial mortgage, repaying the bridge in full.
Frequently asked questions
How quickly can auction bridging funds be released in practice?
Most specialist auction bridging lenders can release funds in 7 to 14 working days once a valuation is completed and solicitors have reported on title. Having your legal and financial documents prepared before auction day is the single biggest factor in hitting the 28-day deadline. Delays almost always originate with slow solicitor responses or unexpected title queries, not the lender.
Can a limited company with a CCJ use auction bridging finance?
Some specialist bridging lenders will consider a limited company with a satisfied CCJ, particularly if the CCJ is older than 12 months and the loan is at a conservative LTV below 65%. An unsatisfied CCJ is a harder barrier and most mainstream bridging lenders will decline. Working through a broker with access to the specialist adverse-credit bridging panel improves your options considerably.
What happens if the bridging loan cannot be arranged before the 28-day deadline?
If you cannot complete within the deadline set in the auction contract, you will lose your 10% deposit and the vendor can re-list or pursue you for additional losses. There is no grace period as a right. In some cases a vendor will agree a short extension for an additional daily fee, but this is entirely at their discretion. This is why pre-auction funding preparation is not optional.
Is auction bridging available for properties bought at online auctions?
Yes. Most specialist bridging lenders treat online auction purchases the same as traditional gavel auctions provided the legal completion obligation and timeline are equivalent. Modern conditional auction formats, which allow up to 56 days for exchange and completion, are often more bridging-friendly because they allow slightly longer for valuations and legal work. Confirm the auction format and completion timeline with the auction house before bidding.
Are there VAT considerations when buying a commercial property at auction?
Yes. If the vendor has opted to tax the property, VAT at 20% will be charged on the purchase price on top of the hammer price, which can create a significant short-term cash requirement. VAT must typically be paid on completion but is recoverable from HMRC on your next VAT return if your business is VAT-registered and uses the property for taxable purposes. Some businesses use a short-term VAT loan to bridge that cash flow gap rather than drawing more on the bridging facility itself.
By Oliver Mackman, Director, Best Business Loans Ltd. Last reviewed 2026-06-21.