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Bridging Finance

Auction Bridging Finance

Buying at auction means committing to a binding contract with a fixed deadline the moment the hammer falls. Lining up finance beforehand puts you in control.

Written by Matt Stevens, Mortgage & Protection Adviser, The Mortgage Genie

The short answer

When you buy at a traditional auction, exchange happens immediately and completion follows on a deadline set by the contract and special conditions — not something a lender or broker can extend. Arranging bridging finance, or at least understanding what's likely to be available, before you bid means you're not caught out if a mortgage won't be ready in time. We can help you prepare so you can bid with confidence.

Our service: Bridging enquiries are assessed internally by our team to understand your requirements and the appropriate route. Where referral to a partner adviser is needed, we will explain who they are, what information will be shared and any referral payment, and obtain your permission before sharing your details.

When auction bridging is appropriate

Auction bridging tends to suit properties that a mainstream mortgage lender wouldn't currently lend against — for example because the property needs structural works, lacks a working kitchen or bathroom, or has a short lease — or simply where the auction completion deadline is too tight for a standard mortgage application to complete in time.

Traditional vs Modern Method auctions: what it means for funding

In a traditional auction, exchange of contracts happens the moment the hammer falls (or the online bid is accepted), with a legally binding commitment to complete by the deadline in the contract. In a Modern Method of Auction (sometimes called conditional auction), you pay a reservation fee and typically have a longer period to exchange and complete, which may allow more time to arrange a standard mortgage rather than bridging.

It's important to understand which method applies to the specific lot, as it changes both your timeline and the fees you'll pay — Modern Method reservation fees are separate from, and in addition to, the purchase price.

Your deadline is set by the contract

Traditional auctions often allow around 20 working days or 28 calendar days from exchange to completion, but the exact period is whatever the contract and special conditions say — always check the legal pack rather than assuming a standard figure. Missing the deadline can mean losing your deposit and being liable for the seller's costs, so this is not a timeline to treat loosely.

Deposit and completion obligations

You'll typically need to pay a deposit on the day of the auction (commonly a percentage of the purchase price, set by the auctioneer) with the balance due on completion. These obligations are contractual and apply whether or not your finance is ready, so it's important to have funding either arranged or realistically close before you bid.

Is the property mortgageable?

Not every property is lendable against in its current state. Checking this before you bid — rather than after you've won the lot — avoids finding out too late that funding isn't available on the terms you expected.

Valuation timing

A lender will usually need to value the property before issuing a formal offer. Because auction deadlines are fixed, valuation needs to be arranged and completed quickly after exchange — this is one of the main reasons pre-auction preparation matters so much.

What a decision in principle can and can't do

A decision in principle gives an indication that a lender is likely to lend, based on information you've provided, but it is not a guaranteed offer and doesn't remove the need for valuation and full underwriting. Treat it as useful preparation, not a certainty.

Exit strategy

If you're using bridging finance to complete the auction purchase, you'll need a clear plan for repaying it afterwards — typically refinancing onto a standard mortgage once any works are done, or selling the property. Lenders will want to understand this before agreeing to lend.

Documents to prepare

  • Proof of identity, address and source of deposit funds
  • The legal pack for the specific lot, reviewed where possible before bidding
  • Evidence of your exit strategy
  • Details of any other properties offered as security

Costs and risks

Risk

If you win the bid but can't complete in time, you risk losing your deposit and being liable for the seller's additional costs, and the property could be resold. Bridging and other secured finance also carries the risk of repossession if the loan isn't repaid as agreed.

Costs include the auctioneer's and legal fees, the reservation fee under Modern Method sales, and the usual bridging costs of interest, arrangement fees, valuation and legal work on the lending side.

How our advice is paid for

Initial advice is free. If you go ahead, any fee will be explained and agreed with you in writing before chargeable work begins. A lender or finance provider may also pay commission.

We will assess your requirements and explain the finance routes that may be available. Where specialist support or an introduction is required, we will explain who will handle the case and any associated costs or commission.

Bridging enquiries are assessed internally by our team to understand your requirements and the appropriate route. Where referral to a partner adviser is needed, we will explain who they are, what information will be shared and any referral payment, and obtain your permission before sharing your details.

Frequently asked questions

Yes — getting an indication of what's likely to be available before the auction, based on the specific lot where possible, helps you bid with more confidence and avoid missing the completion deadline.

You risk losing your deposit and being liable for the seller's costs. The deadline is set by the contract and special conditions, not by us or any lender, so it cannot be extended informally.

No. Modern Method typically gives a longer period between exchange and completion and involves a separate reservation fee, which may make a standard mortgage feasible where a traditional auction's tighter deadline would not.

You generally can't get a full valuation on a specific lot until after exchange, but researching comparable sales and reviewing the legal pack beforehand helps you bid with a realistic view of value and risk.

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Bridging enquiries are assessed internally by our team to understand your requirements and the appropriate route. Where referral to a partner adviser is needed, we will explain who they are, what information will be shared and any referral payment, and obtain your permission before sharing your details.

The Financial Conduct Authority does not regulate some forms of buy-to-let, commercial or bridging finance. Whether a particular loan is regulated depends on the borrower, the security, its use and any applicable exclusions. The adviser handling your case will explain the position for your proposed borrowing.

Your property may be repossessed if you do not keep up repayments on a mortgage or any other debt secured on it.

The Mortgage Genie is an Appointed Representative of First Complete Ltd, trading as Primis Mortgage Network, which is authorised and regulated by the Financial Conduct Authority. This page is general information, not personal advice.