Buying a House in the UK: A Step-by-Step Process and Timeline

Overview

The buying process is not one transaction but a sequence of stages. As a first-time buyer, you will usually need to:

1. Set a realistic budget and identify your available deposit.
2. Check borrowing capacity and obtain an agreement in principle.
3. Research locations, property types and likely running costs.
4. View homes and carry out checks before making an offer.
5. Instruct a conveyancing solicitor or licensed conveyancer.
6. Apply for the mortgage and arrange a survey and valuation.
7. Review searches, contracts and replies to enquiries.
8. Exchange contracts, pay any required deposit and agree a completion date.
9. Complete the purchase, collect the keys and move in.

The exact order can vary. For example, a lender may arrange its valuation while your conveyancer is carrying out searches. A chain can also mean that your completion date depends on several other purchases and sales. The process may take several weeks or longer, so treat any initial estimate as a planning guide rather than a promise.

For a more detailed checklist after an offer is accepted, see the UK house buying timeline. If you are still deciding whether ownership is affordable, compare the full costs in our guide to rent versus buy in the UK.

How to estimate

1. Start with your cash budget

Begin with money that can genuinely be used for the purchase. This may include savings, a permitted gift from family, or an approved home-buying scheme. Separate the amount you want to keep as an emergency reserve from the amount available for the deposit and buying costs.

A useful planning formula is:

Maximum purchase price = available cash − purchase costs − retained emergency reserve + mortgage borrowing

This is only a first estimate. The lender’s affordability assessment, the property valuation and the size of your deposit may reduce the amount you can borrow.

2. Estimate borrowing without treating it as an offer

Use a mortgage calculator to test different property prices, deposit amounts, interest rates and mortgage terms. The result is an illustration, not a guarantee. A lender will normally consider income, regular expenditure, existing credit commitments, dependants, employment circumstances and the proposed property.

An agreement in principle—also called a decision in principle or mortgage in principle—can indicate how much a lender may be prepared to lend based on the information supplied. It is not a final mortgage offer, and you should check how long it remains valid and whether obtaining it involves a credit search.

When comparing mortgages, look beyond the initial monthly payment. Check the interest rate period, product fees, valuation arrangements, early repayment charges, overpayment terms and the rate that may apply after an introductory period. A lower initial payment may not represent the lowest overall cost.

3. Add the costs beyond the deposit

The cost of buying a house in the UK includes more than the agreed price. Create separate lines in your estimate for:

• Property tax, if applicable. Rules differ between England and Northern Ireland, Wales and Scotland, so use the relevant government calculator or guidance for the property’s location.
• Conveyancing fees, including the solicitor’s or licensed conveyancer’s work and possible additional charges.
• Searches, registration and other legal or administrative disbursements.
• Mortgage fees and any cost associated with the lender’s valuation or additional mortgage services.
• A survey appropriate to the property’s age, condition and construction.
• Buildings insurance, which may be required by the lender from exchange or another specified point.
• Moving, storage, utility connections, furniture and immediate repairs.

Ask each provider for a written quote and check what is included. The cheapest headline quote may exclude work needed for a leasehold property, a gifted deposit, a shared ownership purchase or a more complicated title.

4. Build a timeline from dependencies

Instead of assigning one fixed duration to the whole purchase, identify the events that must happen before the next stage can begin. For example, you may need a satisfactory mortgage offer before exchange, and your conveyancer may need satisfactory searches and answers to enquiries before advising you to exchange.

A simple timeline might look like this:

• Preparation: budget, deposit, mortgage research and initial area research.
• Search and offer: viewings, checks, negotiation and acceptance of an offer.
• Pre-contract work: mortgage application, survey, searches and legal enquiries.
• Exchange: signed contracts become binding and the completion date is fixed.
• Completion and moving: funds are transferred, ownership changes and keys are released.

Inputs and assumptions

Keep a single record of the figures used in your estimate. At a minimum, note:

For leasehold homes, ask for details of the remaining lease term, service charge, ground rent provisions, planned major works and any restrictions that could affect alterations or subletting. For freehold homes, investigate boundaries, access, maintenance responsibilities and any shared arrangements. You can learn more about choosing a conveyancer in what a conveyancing solicitor does and follow the legal stages in the conveyancing process guide.

Your assumptions should also cover the property itself. Check whether the home is in a flood-risk area, affected by planning proposals, served by suitable transport and located near the facilities you need. Our guide to researching an area before buying provides a practical framework. Treat school catchment information carefully and verify it with the relevant school or authority rather than relying on a listing description.

Worked examples

Example 1: testing a purchase price

Suppose a buyer has £45,000 in savings. They decide to retain £10,000 as an emergency reserve and set aside £7,000 for estimated tax, legal, survey, mortgage and moving costs. Their working deposit is therefore £28,000.

If a mortgage illustration suggests borrowing of £222,000, the initial purchase-price estimate is:

£28,000 deposit + £222,000 mortgage = £250,000 purchase price

This does not mean the buyer should offer £250,000. They should check whether the monthly payment remains manageable if the rate changes, whether the lender’s valuation supports the price and whether the property has ongoing costs such as a service charge or urgent repairs.

Example 2: comparing two homes

Home A costs less but needs immediate work. Home B costs more but has a higher service charge and better energy efficiency. A sensible comparison records the deposit required, estimated one-off costs, mortgage payment, service charge, insurance, expected maintenance and likely improvement costs for each home.

Do not compare only the asking prices. A property with a lower price can require more cash shortly after completion, while a higher-priced home may have recurring costs that affect affordability. If the property is leasehold, request the relevant documents before relying on the estimate.

Example 3: tracking progress after an offer

Use this compact tracker as a printable or digital checklist:

• □ Budget and emergency reserve confirmed
• □ Agreement in principle checked for amount and validity
• □ Property and area research completed
• □ Offer made with conditions and evidence of funding
• □ Offer accepted; solicitor instructed
• □ Full mortgage application submitted
• □ Survey and lender valuation reviewed
• □ Searches received and legal enquiries answered
• □ Mortgage offer issued and conditions understood
• □ Contract and completion arrangements approved
• □ Buildings insurance arranged as required
• □ Exchange completed
• □ Removals, utilities and address changes organised
• □ Completion confirmed; keys collected

Before offering, read how to make an offer on a house. Remember that an accepted offer is not usually the same as an exchanged contract. Until exchange, the transaction may still change or fail, which is why buyers should avoid irreversible commitments where possible.

When to recalculate

Revisit your estimate whenever an input changes, rather than waiting until the end of the process. Recalculate when:

• Mortgage rates, product fees or the available mortgage term change.
• Your income, employment, regular spending or credit commitments change.
• Your deposit changes because of a gift, withdrawal, investment loss or another purchase.
• The offer price changes or the lender’s valuation differs from the agreed price.
• Tax rules, thresholds or regional purchase taxes are updated.
• A survey reveals repairs, restrictions or insurance concerns.
• Leasehold charges, planned works or legal issues emerge.
• The purchase becomes part of a longer chain or your intended completion date moves.

Before making an offer, run a low, expected and high-cost version of your budget. Before exchange, replace estimates with written figures from your lender, conveyancer, surveyor and other providers. Confirm the final amount needed for completion, the date funds must be available and any conditions attached to the mortgage.

Rules and costs can change, particularly for property tax, mortgage products and lender criteria. Check the relevant official guidance and obtain current quotes whenever you revisit this article. For new-build buyers, deadlines, reservation terms and incentives can alter the calculation; see our new-build homes guide. A careful, regularly updated estimate will not remove every uncertainty, but it can show which assumptions matter and help you decide when a property is genuinely affordable.