My house sale fell through. What do I do next?

It is a horrible moment, especially if you were weeks into the process and had already started packing. A fall-through is a normal feature of how the system works in England and Wales, where nothing is legally binding until contracts are exchanged. This guide explains why sales collapse, what to do in the first week, and how to protect yourself with the next buyer.

How common is it for a sale to fall through?

More common than most people expect. Around 24% of agreed UK sales fell through in the first quarter of 2026, easing slightly from 24.0% to 23.7%, according to Quick Move Now's fall-through analysis. Across the whole of 2025 the figure was about 24.3%. The great majority of those sellers go on to complete with a different buyer.

Why do house sales fall through?

Knowing the cause matters because it tells you what, if anything, you need to fix before relisting. The breakdown below is from Quick Move Now's early-2026 data.

A down-valuation is when a lender's surveyor values the home below the agreed price, which can force a renegotiation or sink the buyer's mortgage. A chain is a line of linked sales where each move depends on the others, so one buyer pulling out can stall several homes at once.

What should I do in the first week after a sale falls through?

1. 1. Get the real reason in writing

   Ask your estate agent to confirm in writing why the buyer withdrew. A survey issue, a mortgage decline, cold feet, and a broken chain each call for a different response.

2. 2. If it was a survey issue, get the detail

   Ask what the survey flagged. You can then decide whether to fix the problem, get a quote so you can offset it, or disclose it and price accordingly for the next buyer.

3. 3. If it was a down-valuation, sense-check your price

   Compare your asking price against recent sold prices for similar homes nearby before you relist, so the same gap does not reappear with the next buyer's lender.

4. 4. Pause your solicitor, do not close the file

   Much of the legal groundwork, including your completed property information forms and title documents, can be reused for the next buyer, which saves real time.

5. 5. Relaunch quickly and review your marketing

   Reactivate the listing fast, ideally with fresh photographs, and consider whether your current agent has been bringing you the right buyers.

6. 6. Vet the next offer before you commit

   With the next offer, check the buyer's position before you take the home off the market: proof of funds, a mortgage agreed in principle, their chain length, and a solicitor ready to instruct.

What money do I lose, and what carries over?

Less than you might fear. The buyer, not you, loses the money they spent on their own searches and survey. On your side, much of the conveyancing groundwork carries forward to the next buyer.

How do I protect myself with the next buyer?

Read a buyer's commitment by what they have spent and instructed, not by what they say. Move in step with the buyer rather than running ahead of them: sellers often commit money and come off the market early while the buyer has spent nothing and can still change their mind. With around 1 in 4 sales falling through, that exposure is real, so gate your big, hard-to-undo moves on the buyer's commitment.

• Ask for proof of funds for any cash element of the purchase.
• Ask for a mortgage agreed in principle, and later a formal mortgage offer.
• Ask how long their chain is, and whether anyone in it is not yet sold.
• Ask why they are buying and what their timescale is.
• Keep marketing quietly until the buyer has instructed a solicitor and put their own money down.

ValuQ is a UK platform that gives homeowners free, side-by-side property valuations from competing local estate agents, so when you relaunch you can compare agents on merit and let the best one win the relisting.