Selling a home can feel like walking a tightrope. Even with a serious buyer, nothing is certain until contracts are exchanged and the completion of house sale is confirmed. But what happens if things fall apart unexpectedly—especially when a buyer pulled out last minute?

That’s where home sale insurance steps in. Also known as home seller’s protection insurance or sale protection cover, it’s designed to help vendors manage the emotional and financial fallout if a sale collapses through no fault of their own.

In this guide, we’ll look at what home sale insurance typically covers, how it works, and whether it’s a worthwhile safety net for UK home sellers.

What is home sale insurance?

Home sale insurance is a policy designed to cover the costs sellers often face when a house sale falls through unexpectedly. These costs can include legal fees, conveyancing charges, survey expenses, and sometimes mortgage-related costs.

The cover usually applies when the sale fails for reasons outside your control, such as when the buyer pulled out last minute due to a change in circumstances, the buyer’s mortgage offer is withdrawn, issues arise in the chain that cause a collapse, or gazundering leads to a sudden reduction in the offer price.

What does it typically cover?

Most home sale insurance policies will reimburse you for pre-sale and mid-sale costs already incurred, such as legal and conveyancing fees, estate agent withdrawal charges (if applicable), mortgage arrangement fees, survey and valuation fees, and costs related to searches or documentation.

Some providers also offer enhanced cover in the form of completion guarantee real estate protection, which may include compensation for additional losses caused by a failed transaction—such as temporary accommodation or bridging loan costs.

Do note that cover limits apply. Many policies cap the amount you can claim per category, so it’s important to read the terms carefully.

What isn’t covered?

While protection is fairly broad, there are exceptions. Most policies won’t cover you changing your mind about the sale, known disputes or legal complications before taking out the policy, buyer withdrawal due to an unfavourable survey in some cases, sales falling through due to market conditions, or delays in probate for inherited properties.

How much does it cost?

Premiums can start from as little as £50 and go up to around £300 depending on the level of cover and property value. More comprehensive policies with higher claim limits will cost more. While it’s an upfront investment, many sellers find the reassurance worth the expense—especially in a volatile market.

Is it worth it?

Home sale insurance is likely to be worth considering if you’re in a long property chain, if you’ve already paid significant upfront fees, if you’re selling a probate or inherited home, if you need to move quickly or rely on the proceeds to fund another purchase, or if you’ve experienced a collapsed sale before and want peace of mind.

If a buyer pulled out last minute in a previous transaction, this type of cover can offer emotional reassurance and financial recovery in case it happens again. However, if your buyer is a cash buyer, chain-free, and you haven’t incurred many costs yet, you might decide to forgo it.

Where to buy it

Home sale insurance is offered by a number of specialist insurers and is sometimes available through conveyancers or estate agents. It’s always wise to compare a few policies, paying attention to exclusions, excesses, and the claim limits. There’s no denying the disappointment and disruption when a buyer disappears days before completion of house sale. While no insurance can undo that stress, having a safety net in place—such as completion guarantee real estate cover—can at least prevent the situation from becoming a financial disaster.