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Your home may be repossessed if you do not keep up repayments on your mortgage.
Agreement in Principle

Last reviewed: May 2026

Mortgage in Principle: Get Your Agreement Before You Start House Hunting

A mortgage in principle — also called an agreement in principle or decision in principle — confirms to estate agents and sellers that you can fund the purchase. We arrange yours using a whole-of-market lender review, with soft search options available to protect your credit score.

Initial discussion free. A broker fee of £299 is payable only if you proceed following a formal mortgage offer.

Same dayMost mortgage in principle decisions returned same day
Soft searchSoft credit search available — no footprint on your credit file
FCAAuthorised and regulated (FRN 762513)
Quick answer

A mortgage in principle is a written indication from a lender of how much they would lend you, based on an initial review of your finances. It is not legally binding but tells estate agents you are a credible buyer. Most decisions are returned same day. Soft credit search options leave no footprint on your credit file.

What Is a Mortgage in Principle?

A mortgage in principle — also known as an agreement in principle (AIP), decision in principle (DIP) or mortgage promise — is a conditional indication from a lender stating how much they would be willing to lend, based on an initial assessment of your income, outgoings and credit profile.

It is not a formal mortgage offer and is not legally binding on either side. What it does is confirm to estate agents and sellers that you have already had your finances reviewed and are a credible buyer who can fund the purchase. In competitive markets, buyers without a mortgage in principle are frequently deprioritised when multiple offers arrive on the same property.

Mortgage in Principle vs Agreement in Principle vs Decision in Principle

All three terms refer to the same document. Different lenders use different names. "Mortgage in principle" and "agreement in principle" are the most commonly used. "Decision in principle" is used by some high street lenders. For stamp duty and legal purposes they all carry the same weight — none is binding, all confirm an initial lending indication.

First time buyer reviewing mortgage in principle options with a whole-of-market mortgage broker

What it confirms

The maximum amount a specific lender would consider lending you, based on your income, outgoings and credit profile at the time of application. Your actual mortgage offer may differ following full underwriting.

Soft search available

A soft credit search returns the same lending decision but leaves no footprint on your credit file. We use soft search lenders where possible so your credit score is not affected at the mortgage in principle stage.

Valid for 60 to 90 days

Most mortgage in principle decisions are valid for 60 to 90 days. If it expires before you find a property, it can usually be renewed. We manage this process and notify you when a renewal is approaching.

Same-day decisions

Most mortgage in principle decisions are returned on the same day, and many within minutes. We review your circumstances, identify the right lender, and submit the application — you receive a certificate you can present to estate agents immediately.

Whole-of-market lender review

Going direct to one lender gives you one decision. As a whole-of-market mortgage broker, we review your circumstances and identify the most appropriate lender before any application is submitted, improving accuracy and avoiding unnecessary searches.

Covers the full application

The mortgage in principle is the first step. Once you have an offer accepted, we handle the full mortgage application — income verification, lender submission, offer monitoring and completion coordination. A broker fee of £299 applies at formal offer stage.

Getting a Mortgage in Principle: Broker vs Going Direct

The difference between going direct to a lender and using a whole-of-market broker is not just about access — it is about accuracy and credit protection.

Going direct to a lender

One lender's decision

  • You receive one lender's criteria applied to your circumstances
  • Hard search may be run immediately, leaving a credit footprint
  • No comparison of which lender suits your situation best
  • If declined, you may search again elsewhere — each search adds a footprint
  • The figure may not reflect what the full market would offer
Through Woodhall Mortgages

Whole-of-market review first

  • We review your circumstances before any application is submitted
  • Soft search used where possible — no footprint on your credit file
  • We identify the lender most likely to offer the best outcome for you
  • One application to the most appropriate lender rather than multiple searches
  • The figure reflects a considered lender selection, not the first available
Comparing getting a mortgage in principle online versus through a whole-of-market mortgage broker

What We Review Before Submitting Your Application

Before identifying a lender and submitting your mortgage in principle application, we review the following to ensure the most accurate and appropriate outcome.

Income and employmentEmployed, self-employed, contractor, multiple income sources and income evidence requirements by lender.
Credit profileCredit history, any adverse credit, CCJs, defaults or missed payments and which lenders are appropriate.
Deposit and LTVDeposit source, gifted deposit considerations and the maximum LTV likely to be available from each lender.
Committed outgoingsStudent loans, car finance, credit cards and other commitments that affect lender affordability calculations.

How to Get a Mortgage in Principle Through Woodhall Mortgages

The process is straightforward and in most cases completed same day. You do not need to have a specific property in mind.

1

Initial discussion

We discuss your circumstances — income, deposit, employment type, credit history and what you are looking to buy. This takes around 20 minutes and incurs no charge. It can be done by phone, video call or using the form below.

2

Lender identification

Based on your circumstances, we identify the most appropriate lender from across the market — considering income criteria, credit policy, LTV requirements and soft search availability. As a whole-of-market mortgage broker, we consider mortgages from across the market, subject to lender criteria and product availability.

3

Application submitted

We submit your mortgage in principle application to the identified lender using a soft credit search where available. Most decisions are returned the same day, many within minutes.

4

Certificate issued

Once the decision is returned, we provide you with a mortgage in principle certificate you can present to estate agents when making offers. The certificate confirms the lender's initial indication of the maximum borrowing available.

5

Full application when you find a property

When your offer is accepted, we progress to a full mortgage application. This involves full income verification, a hard credit search and property valuation. Our broker fee of £299 is payable if you choose to proceed following a formal mortgage offer — it is non-refundable once charged.

Mortgage in principle — first time buyer preparing to make an offer on a property

Mortgage in Principle: Your Questions Answered

A mortgage in principle is a written indication from a lender stating how much they would be willing to lend, based on a review of your income, outgoings and credit profile. It confirms to estate agents and sellers that you are a credible buyer who can fund the purchase. It is not a formal mortgage offer and is not legally binding.
It depends on the type of credit search used. A soft search leaves no footprint on your credit file and does not affect your score. A hard search does leave a mark. We use soft search lenders where possible to protect your credit profile at the mortgage in principle stage.
Most mortgage in principle decisions are valid for 60 to 90 days. If it expires before you find a property, it can usually be renewed. Some lenders require a fresh application; others extend the existing decision. We manage this and notify you when a renewal is approaching.
No. A mortgage in principle is an initial conditional indication based on information provided at that stage. A formal mortgage offer is issued after a full application, property valuation and underwriting assessment, and represents a binding commitment from the lender to lend the stated amount on the stated terms.
You do not need one to arrange viewings, but many estate agents ask for one before accepting an offer. Having a mortgage in principle before you start viewing means you know your maximum budget and can make an offer immediately. Buyers without one are frequently deprioritised when multiple offers are received on the same property.
Going direct gives you one lender's decision. As a whole-of-market mortgage broker, we review your circumstances and identify which lenders are most likely to accept your application and at what level, before any search is run. This avoids unnecessary credit footprints and improves the accuracy of the borrowing indication you receive.
Once you have a mortgage in principle and an offer accepted on a property, the next step is a full mortgage application. This involves a full credit search, income verification, property valuation and underwriting. The lender then issues a formal mortgage offer, which is used by your solicitor to complete the purchase.
Yes. A mortgage in principle can be declined if the lender's criteria are not met based on the information provided. Common reasons include credit history, income level or the LTV ratio requested. We identify which lenders are most likely to accept your application before any search is run, reducing the risk of a declined decision.
Arranging a mortgage in principle through Woodhall Mortgages incurs no charge. Our broker fee of £299 is only payable if you choose to proceed following a formal mortgage offer — it is non-refundable once charged. There is no fee for the initial discussion or mortgage in principle stage.
Most decisions are returned same day, and many within minutes of submission. We review your circumstances, identify the most appropriate lender and submit the application. You receive a certificate you can present to estate agents as soon as the decision is returned.

Get Your Mortgage in Principle Today

Call 01422 354011 or use the form below. We review your circumstances, identify the most appropriate lender from across the market, and submit your application. Most decisions returned same day.

The mortgage in principle stage incurs no charge. A broker fee of £299 is payable if you choose to proceed following a formal mortgage offer. This fee is non-refundable once charged. We may also receive commission from the lender. Your home may be repossessed if you do not keep up repayments on your mortgage.

Get Your Mortgage in Principle

Financial promotion: This page is a financial promotion. Woodhall Mortgages is authorised and regulated by the Financial Conduct Authority (FRN 762513). As a whole-of-market mortgage broker, we consider mortgages from across the market, subject to lender criteria and product availability. Not all lenders or products may be included.

Broker fee: The mortgage in principle stage incurs no charge. A broker fee of £299 is payable if you choose to proceed following a formal mortgage offer. This fee is non-refundable once charged. We may also receive commission from the lender.

Credit searches: We use soft credit searches where available at the mortgage in principle stage. A full hard credit search is required as part of a formal mortgage application.

Risk warning: Your home may be repossessed if you do not keep up repayments on your mortgage.

Ready To Get Started?

Buying a home or reviewing your mortgage can feel complicated, but it doesn’t have to be. A quick conversation can give you clarity on your options, your budget, and the next realistic steps. There is no obligation and no pressure, just straightforward guidance tailored to you. Complete the short form below and we will be in touch to help you move forward with confidence.

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