Can you buy a house at auction with a mortgage?

In England and Wales, buying an auction house is mainly a timing problem: the contract is usually made immediately, the deposit is payable straight away, and completion follows quickly. The legal rules below are for England and Wales unless a sentence names another jurisdiction.

How does buying a house at auction work?

Buying a house at auction in England and Wales usually means the winning bidder is contractually committed when the auction contract is made, but the common claim that this is because the Sale of Goods Act 1979 says a sale is complete at the fall of the hammer is wrong for land: the land-sale auction exception is Law of Property (Miscellaneous Provisions) Act 1989 s.2(5)(b), covering “a contract made in the course of a public auction;”. Under RICS-style auction conditions, the deposit is normally “10% of the PRICE”, completion is “20 BUSINESS DAYS after the CONTRACT DATE” if no other date is set, and the conditions themselves say “The Sale Conditions apply only to property in England and Wales”. If the buyer fails to complete, those conditions say the buyer must indemnify the seller for default losses. In Scotland, land contracts still require signed writing, including “a contract or unilateral obligation for the creation, transfer, variation or extinction of a real right in land”.

Can you buy a house at auction with a mortgage?

You can buy a house at auction with a mortgage, because no rule in England and Wales requires completion money to be cash, but a traditional auction’s 28-day completion timetable often rules out an ordinary mortgage in practice. The practical problem is timing: HomeOwners Alliance says, “You'll only have 28 days to get the money to complete your purchase if you're buying a house at a traditional auction,” while one bridging-finance guide states, “A standard residential mortgage takes 6-8 weeks to arrange.” The safest way to buy an auction property with a mortgage is to have the lender, valuation, survey and legal pack review lined up before bidding, and to bid only if the lender is comfortable with the property condition, title and deadline. Where the standard mortgage cannot complete fast enough, buyers often use bridging finance first and remortgage later, but that adds cost and risk rather than changing the legal position.

What happens if nobody bids on a house at auction?

If nobody bids enough to meet the reserve price on a house at auction, the property is normally withdrawn unsold, not forced to sell for the highest inadequate bid. The RICS auction conditions state the point directly: “If no bid equals or exceeds that reserve price, the LOT will be withdrawn from the AUCTION.” That is different from a property sold without reserve in England, Wales or Northern Ireland: the Sale of Land by Auction Act 1867 says that if land is stated to be sold without reserve, “it shall not be lawful for the seller to employ any person to bid at such sale”. After a reserve is missed, the seller does not have to relist, reduce the reserve or accept a private offer; the usual market response is negotiation, and Auction House says the auctioneer will normally ask interested bidders to speak after the auction and give their best bid.

Last reviewed September 2026.

Sources

• Law of Property (Miscellaneous Provisions) Act 1989 s.2(5)(b) — “a contract made in the course of a public auction;” Source
• RICS Common Auction Conditions, 5th edition, condition G2.1(b) — “10% of the PRICE” Source
• RICS Common Auction Conditions, 5th edition, glossary definition of agreed completion date — “20 BUSINESS DAYS after the CONTRACT DATE” Source
• RICS Common Auction Conditions, 5th edition, Introduction — “The Sale Conditions apply only to property in England and Wales” Source
• Requirements of Writing (Scotland) Act 1995 s.1(2)(a)(i) — “a contract or unilateral obligation for the creation, transfer, variation or extinction of a real right in land” Source
• HomeOwners Alliance guide to mortgages and auction property — “You'll only have 28 days to get the money to complete your purchase if you're buying a house at a traditional auction.” Source
• FD Commercial auction bridging finance guide — “A standard residential mortgage takes 6-8 weeks to arrange.” Source
• RICS Common Auction Conditions, 5th edition, condition A3.4 — “If no bid equals or exceeds that reserve price, the LOT will be withdrawn from the AUCTION.” Source
• Sale of Land by Auction Act 1867 s.5 — “it shall not be lawful for the seller to employ any person to bid at such sale” Source
• Auction House guide to what happens if a property does not meet its reserve — “The auctioneer will normally ask interested bidders to speak to the team after the auction to give their best bid.” Source