Process

How to buy a house: step-by-step UK process

Buying a house has a lot of moving parts, but the process follows a well-trodden path. If you understand the order of the steps and what each one involves, the whole thing becomes far less daunting. This guide walks through the entire journey, from working out your true budget to getting the keys, with realistic timings and the costs to plan for along the way.

Last reviewed 26 June 2026

In short

To buy a house in the UK you typically: work out your true budget including deposit and buying costs, get a mortgage agreement in principle, view properties and make an offer, instruct a conveyancer once an offer is accepted, arrange the formal mortgage and a survey, exchange contracts (the point at which the deal becomes legally binding and you pay the deposit), and then complete (when the money transfers, ownership passes and you get the keys). The whole process commonly takes around two to three months from offer to completion, though chains and delays can extend it. Budget for a deposit plus extra costs such as stamp duty where it applies, legal fees, searches, a survey and moving costs.

Before you start: the foundations

The strongest buyers do their homework before they ever book a viewing. That means knowing how much you can borrow, how much deposit you have, and the full cost of buying beyond the purchase price, including stamp duty, legal fees, searches, a survey and moving costs.

It also means getting your paperwork in order: proof of identity, proof of income, and proof of where your deposit comes from. Sellers and estate agents take buyers far more seriously when they have a mortgage agreement in principle and their funds ready.

Think too about the type of home and tenure you want. A leasehold flat carries service charges and lease considerations a freehold house does not, and these affect both affordability and resale.

The step-by-step process

The core journey from saving to keys.

  1. 1. Work out your true budget

    Add up your deposit and savings, then subtract buying costs such as stamp duty, legal fees, searches, a survey and moving costs to see what is left for the purchase.

  2. 2. Get a mortgage in principle

    A lender or broker gives an indication of how much you could borrow, which strengthens your offers and focuses your search.

  3. 3. View properties and make an offer

    View thoroughly, research the area, then offer through the estate agent. Offers are not legally binding at this stage.

  4. 4. Instruct a conveyancer

    Once your offer is accepted, appoint a solicitor or licensed conveyancer to handle the legal work and searches.

  5. 5. Arrange the mortgage and a survey

    Submit your full mortgage application and book a survey so you understand the property's condition before you commit.

  6. 6. Exchange contracts

    When searches, survey and mortgage are sorted, you exchange contracts, pay the deposit and the deal becomes legally binding.

  7. 7. Complete and move in

    On completion day the money transfers, ownership passes to you, and you collect the keys to your new home.

Rough timeline from offer to completion

Indicative timings; chains and delays can extend each stage.

StageTypical time
Offer accepted to instructing conveyancerA few days to a week
Searches and enquiries2 to 6 weeks
Mortgage application to formal offer1 to 4 weeks
Survey and any renegotiation1 to 3 weeks
Exchange to completionSame day up to a few weeks
Overall, offer to completionAround 8 to 12 weeks

First-time buyers without a chain often complete faster than long chains.

Costs to budget for

The main costs of buying, on top of the deposit.

CostNotes
DepositUsually at least 5% to 10% of the price
Stamp duty (where it applies)Depends on price, nation and buyer type
Conveyancing and legal feesOften around £800 to £1,500 plus disbursements
SearchesRoughly £250 to £450
SurveyFrom around £400 to £1,500 by survey level
Mortgage feesArrangement and valuation fees vary
Moving costsRemovals, and time off work

Always plan for buying costs separately from the deposit, plus a cash buffer.

An offer is not binding until exchange

In England and Wales, neither side is legally committed until contracts are exchanged. That means a sale can fall through before exchange, and gazumping is possible. Keeping the process moving quickly reduces the window for things to go wrong.

Always get a survey

A mortgage valuation is for the lender, not for you, and it will not flag problems with the property. Pay for an appropriate survey so you understand the condition before you exchange, and use any findings to renegotiate the price if needed.

Common questions

How long does it take to buy a house?

From an accepted offer to completion typically takes around two to three months, though it can be quicker without a chain or longer if there are delays with searches, mortgages or a long chain of linked transactions.

What is the first step to buying a house?

Work out your true budget, including your deposit and the full cost of buying, then get a mortgage agreement in principle. This shows how much you can borrow and makes your offers far more credible to sellers.

How much deposit do I need to buy a house?

Most lenders want at least 5% to 10% of the purchase price, though a larger deposit usually unlocks lower interest rates. You will also need extra cash for buying costs such as stamp duty, legal fees and a survey.

What is the difference between exchange and completion?

Exchange is when contracts are swapped, the deposit is paid and the deal becomes legally binding. Completion is when the balance of the money transfers, ownership passes to you, and you receive the keys, often a week or two later.

Do I need a solicitor to buy a house?

Yes. You need a solicitor or licensed conveyancer to handle the legal work, carry out searches, deal with the lender, and manage exchange and completion. Lenders generally require a qualified conveyancer to act on the purchase.

What is a mortgage in principle?

A mortgage in principle, also called an agreement in principle, is a lender's indication of how much they might lend you based on a soft check of your finances. It is not a formal offer but it strengthens your position when making offers.

Can a house sale fall through after I make an offer?

Yes. In England and Wales nothing is legally binding until exchange of contracts, so either side can pull out before then, and gazumping can occur. Moving quickly through searches, survey and mortgage reduces the risk.

What costs are there beyond the deposit?

Budget for stamp duty where it applies, conveyancing and legal fees, searches, a survey, any mortgage arrangement and valuation fees, and moving costs. It is wise to keep a cash buffer for unexpected expenses after you move in.

Sources

Related guides

Work out your full cost of buying

The planner adds stamp duty, legal fees, surveys, refurbishment, removals and the emergency reserve you should keep after completion, so you know exactly how much cash you really need.

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