Need to sell your house quickly to buy another?

You've found the right home, but your own sale is holding you back. Here are the main ways to close the gap, and the costs and risks of each.

Checked 10 September 2026 5 minute read

Finding the right home before you’ve sold your own is common, and stressful. Sellers want buyers who can proceed, and you may be competing with people who can. If you need to sell quickly to secure your next home, the main options are selling to a chain-free buyer, using a bridging loan to buy first, part-exchanging with a new-build developer, or asking your seller to wait while you sell on the open market.

This guide explains how each works, what it costs and where the risks lie.

Why does your position as a buyer matter?

GOV.UK’s guide to selling a home encourages sellers to think about a buyer’s position when weighing up offers: whether they’re in a chain, how long it is, and whether they’re a cash or mortgage buyer. It notes that first-time buyers and people in rented homes don’t have a chain, so there are fewer opportunities for delay.

If you haven’t sold, you’re at the weaker end of that scale. Some sellers will still accept your offer, but they may ask you to find a buyer within a set time, or keep marketing their home until you do. A seller is not bound to you until exchange of contracts, so there’s always a risk of losing the property to someone who can move faster.

In Scotland, the process is different: offers are made through solicitors and the deal becomes binding when missives are concluded. Our guide to selling a house in Scotland explains more.

Could you sell to a chain-free buyer?

This is often the simplest route. If your buyer has nothing to sell and no mortgage to arrange, your side of the chain becomes much more predictable.

Through an estate agent. Ask your agent to prioritise buyers who are ready to proceed, such as first-time buyers with a mortgage agreed in principle, or people who have already sold. You’ll usually get a price closer to full market value, but you can’t control how quickly the right buyer appears.

To a cash buyer. A cash buyer can be ready to go straight away. Completion can be possible in as little as 7 days in some cases, but it often takes longer because of searches, the buyer’s checks, your solicitor and any mortgage to repay. Our guide to how quick house sales work explains the steps. The trade-off is price: a quick sale to a cash buyer usually means accepting less than full market value in return for speed and certainty.

Whether that’s worth it depends on how much the new home matters, and what you’d lose if it went to someone else. Our comparison of cash buyers, estate agents and auctions sets out the differences.

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Want to know what a cash buyer would offer?

Tell us about the property in 2 minutes. Vetted buyers, individuals and institutions, reply with offers.

Cash buyers usually offer less than full market value in return for speed and certainty. You are free to turn down any offer.

How do bridging loans work?

A bridging loan is short-term borrowing, secured on property, that lets you buy your new home before your current one sells. The loan is repaid when your sale completes.

Regulated or unregulated? Under the Financial Conduct Authority’s definition, a loan secured on land where at least 40% is used, or intended to be used, as a dwelling can be a regulated mortgage contract, although other conditions and exclusions apply. Whether yours is regulated affects the protections you have, so ask the lender or broker directly, and check the firm on the FCA’s Financial Services Register.

The risks. Bridging is designed to be short-term. Ask for the full cost, including interest and any arrangement or exit fees, and compare it with other ways of borrowing. The biggest risk is that your sale takes longer than planned or sells for less than you expected, so the loan runs on, costs build, and you may have to accept a lower offer to clear it. Before you commit, work out what happens if your home takes twice as long to sell as you hope.

An independent mortgage adviser can compare bridging with alternatives, such as a mortgage that lets you hold both properties for a while.

What is part exchange?

Some new-build developers offer to buy your current home as part of the deal on a new one. It removes your chain entirely and can be very convenient.

Developers registered with the New Homes Quality Board must follow the New Homes Quality Code. Under the Code, a developer offering part exchange must explain:

  • how a fair market valuation was decided, which must be independent and come from more than one suitably qualified source
  • any deductions it will apply to that market valuation
  • the date by which you need to accept the offer, and what happens if you don’t
  • when the part exchange and the purchase of the new home are expected to complete, and what happens if they don’t complete on the same date

The part-exchange details should also be set out in your reservation agreement. Look closely at the deductions, as the price you’re offered may be lower than the market valuation. Compare it with estate agent valuations and any cash offers before you decide.

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What about stamp duty if you buy first?

If you buy your new home before you’ve sold your old one, you may pay more tax up front.

In England and Northern Ireland, GOV.UK explains that you may have to pay the higher rates of Stamp Duty Land Tax, even though you intend to live in the new home. If you sell or give away your previous main home within 3 years of buying the new one, you can apply for a refund of the extra. The claim must be made within 12 months of the sale of your previous home, or within 12 months of the filing date of the new property’s return, whichever is later.

Scotland has Land and Buildings Transaction Tax and Wales has Land Transaction Tax, each with its own rules for buying a new home before selling the old one. Check with a solicitor or the relevant tax authority.

How do you put it all together?

A practical approach:

  1. Talk to your seller early. Be honest about your position and ask how long they’ll wait.
  2. Get your own home on the market straight away, with your paperwork ready so your side of the chain doesn’t cause delays.
  3. Get figures for every option: estate agent valuations, any cash offers, a bridging quote if you’re considering one, and a part-exchange offer if it’s a new build.
  4. Compare what you’d actually walk away with, after fees, interest and tax, not just the headline prices.

If a quick sale looks like the best way to secure your next home, you can tell us about your property and, with your consent, we’ll pass it to vetted cash buyers on our panel. We don’t buy or value homes ourselves, and you’re under no obligation to accept any offer. If your chain has already collapsed, our guide to a broken chain may help.

Common questions

Can I buy a house before I sell mine?

Yes, if you can fund the purchase, for example with savings, a bridging loan or a mortgage large enough to cover both homes for a while. In England and Northern Ireland you may have to pay the higher rates of Stamp Duty Land Tax, and you can apply for a refund if you sell your previous main home within 3 years.

Is part exchange a good deal?

It depends on the price offered and how much you value the convenience. Under the New Homes Quality Code, a registered developer must explain how the market valuation was reached, using independent valuations from more than one qualified source, and any deductions it applies. Compare the part-exchange price with estate agent valuations before you decide.

Are bridging loans regulated?

Some are and some aren't. Whether a bridging loan counts as a regulated mortgage contract depends on the details, including whether the property it's secured against is used as a home. Ask the lender or broker, and check them on the FCA's Financial Services Register.

Will a seller accept my offer if I haven't sold yet?

Some will, but many prefer a buyer who can proceed. GOV.UK's guide to selling a home encourages sellers to look at a buyer's position, including whether they're in a chain and whether they're a cash or mortgage buyer. Having your own sale agreed, or being chain-free, makes your offer stronger.