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What Is the Mortgage Process? A Step-by-Step Guide

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Most mortgage applications take between two and six weeks from submission to offer. Before that comes your mortgage in principle, and after it conveyancing, exchange and completion. This guide covers each stage in order, roughly how long it takes, and what you can do to keep things moving.

If you’re buying your first home or moving house, understanding the mortgage process can make the whole experience feel far less overwhelming. From getting a Mortgage in Principle to receiving your keys on completion day, there are several important stages along the way. While every purchase is slightly different, knowing what to expect can help you avoid delays and prepare for each step with confidence. In this guide, we’ll explain the UK mortgage process step by step, how long each stage usually takes, and how a mortgage broker can help keep everything moving smoothly.

The mortgage process usually starts with a Mortgage in Principle before you begin viewing properties.

Most mortgage applications take between two and six weeks to receive a formal mortgage offer.

Your solicitor, lender, estate agent and mortgage broker all play different roles throughout the process.

Delays are common, but good communication can often help keep your purchase on track.

A mortgage broker can guide you through every stage from application to completion.

Harry Goodliffe, director and FCA-authorised mortgage advisor at HTG Mortgages, at his desk

How HTG Mortgages Can Help

At HTG Mortgages, I work with over 120 lenders across the UK, meaning we have access to a wide range of mortgage products to suit all types of borrowers. Whether you’re a first-time buyer or looking to remortgage, we can help you determine how much you can borrow and find the right mortgage for your circumstances.

We also provide ongoing support, regularly checking your options after your mortgage is secured, ensuring that you never miss out on a lower rate.

What Is the Mortgage Process?

The mortgage process is the series of steps involved in buying a property with a mortgage. It begins with understanding your budget and obtaining a Mortgage in Principle, before progressing through finding a property, submitting a mortgage application, arranging a valuation, receiving your mortgage offer, exchanging contracts and finally completing your purchase. While each transaction is unique, most buyers follow a similar path.

How Do I Know How Much I Can Borrow?

Before you begin searching for a property, it’s important to understand your budget. Mortgage lenders assess your income, regular spending, existing credit commitments and deposit to calculate how much they’re prepared to lend. Speaking to a whole-of-market mortgage broker at this stage can help you understand your options and identify the lenders most suited to your circumstances.

What Is a Mortgage in Principle?

A Mortgage in Principle (sometimes called an Agreement in Principle or Decision in Principle) is an indication from a lender of how much they may be willing to lend. It isn’t a guarantee that your mortgage will be approved, but it demonstrates to estate agents and sellers that you’re a serious buyer and can strengthen your position when making an offer.

Speak to an expert

Whether you’re buying your first home, moving house or remortgaging, HTG Mortgages is here to make the process as simple and stress-free as possible. I’ll compare mortgages from over 120 lenders, guide you every step of the way and help you find the right mortgage for your circumstances.

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When Should I Apply for a Mortgage?

Once your offer on a property has been accepted, it’s time to submit your full mortgage application. Your lender will assess your income, credit history, bank statements and supporting documents before arranging a property valuation. Responding quickly to any requests for additional information can help reduce delays.

What Happens During the Mortgage Valuation?

The lender will arrange a valuation to confirm that the property provides suitable security for the mortgage. This isn’t the same as a full structural survey and is carried out primarily for the lender’s benefit. Depending on the property and your circumstances, you may also wish to arrange your own HomeBuyer Report or Building Survey.

What Happens After My Mortgage Is Approved?

If your application is successful, your lender will issue a formal mortgage offer. Your solicitor will continue carrying out legal work, including property searches, reviewing contracts and preparing for exchange. At this stage, you’ll also finalise your buildings insurance and prepare for completion.

What Is Exchange of Contracts?

Exchange of contracts is the point at which the purchase becomes legally binding. Once contracts have been exchanged, both the buyer and seller are committed to completing the transaction on the agreed date. You’ll normally pay your deposit at this stage, and backing out afterwards could have financial consequences.

What Happens on Completion Day?

Completion is the day ownership of the property officially transfers to you. Your solicitor sends the purchase funds to the seller’s solicitor, and once the money has been received, you’ll be able to collect the keys and move into your new home. Your mortgage will begin from this point, and your monthly repayments will start according to your lender’s schedule.

How Long Does the Mortgage Process Take?

Most mortgage purchases complete within eight to twelve weeks, although the exact timescale depends on factors such as the length of the property chain, the speed of legal work, survey results and how quickly documents are returned. Some purchases complete much faster, while more complex transactions may take longer.

How Can a Mortgage Broker Help Throughout the Mortgage Process?

A mortgage broker can support you from your initial enquiry right through to completion. They can recommend suitable lenders, prepare your application, liaise with the lender, estate agent and solicitor, provide regular updates and help resolve issues before they cause delays. At HTG Mortgages, I work with over 120 lenders and keep your application moving from start to finish.

Need Personal Mortgage Advice?

Every buyer’s situation is different. While this guide explains the general rules, the right mortgage for you depends on your income, deposit, credit history and future plans. If you’d like tailored advice, I’m here to help, with whole-of-market coverage.

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Frequently Asked Questions

Have another question?

No, but having one before you start viewing properties can make your search more focused and demonstrate to estate agents that you’re in a strong position to buy.

Yes, in some circumstances you can change lenders if a more suitable option becomes available, although this may affect your timescales. Your mortgage broker can advise whether switching is worthwhile.

Most lenders will ask for proof of identity, proof of address, recent payslips or accounts if you’re self-employed, bank statements and evidence of your deposit. Additional documents may be required depending on your circumstances.

A declined application doesn’t necessarily mean you can’t get a mortgage. Different lenders have different lending criteria, and a mortgage broker may be able to identify more suitable options.

In many cases, yes. The lender’s valuation is designed to protect the lender, whereas a HomeBuyer Report or Building Survey provides more detailed information about the condition of the property for your own benefit.

Yes. Completion dates can sometimes change due to delays within the property chain, outstanding legal work or issues raised during the conveyancing process. Your solicitor and mortgage broker will keep you updated if this happens.

Once you’ve completed your purchase, your solicitor will register your ownership with HM Land Registry, and you’ll begin making your monthly mortgage repayments. You should also keep copies of your mortgage documents and review your mortgage regularly to ensure it remains suitable.


Harry Goodliffe
Written by Harry Goodliffe
Director & Mortgage Adviser, HTG Mortgages  ·  FCA Authorised (1017945)
CeMAP Qualified  ·  Featured in National Press  ·  South England Prestige Awards 2026/27 winner

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