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Your online mortgage in principle from L&C

Thinking about buying a home? You’ll need a mortgage in principle.

While it doesn't guarantee you a mortgage, your online decision in principle from L&C helps you understand your budget, see what your repayments might be, and shows estate agents and sellers that you're a serious buyer who’s ready to go.

Use our online Mortgage Finder get your L&C mortgage in principle and see which deals you're likely to qualify for.

Fee free since 1999

What is a mortgage in principle?

An L&C online mortgage in principle is a certificate showing how much a lender is theoretically willing to lend you. It’s not a guarantee you’ll get a mortgage but it’s the first step in your mortgage journey

The mortgage in principle shows that if you pass a lender’s affordability checks, you might be able to buy a property up to the value shown on the certificate. You can also use it to see what your monthly repayments could be.

Get a mortgage in principle

Use our simple online mortgage finder and:

  • See how much you could borrow
  • Compare deals from across the market
  • Get your mortgage in principle today

Using the online mortgage finder doesn’t mean you have to apply for a mortgage, but it helps you understand how much you can borrow and what your mortgage might cost.

If you want a mortgage in principle, the online mortgage finder is the place to start.

Is a Mortgage in Principle the same as an Agreement in Principle?

There are a few different ways people refer to a mortgage in principle. You might have heard it called a:

  • Decision in principle (DIP)
  • Mortgage in principle (MIP)
  • Mortgage agreement in principle (MIP)
  • Mortgage promise
  • Agreement in principle (AIP)

Estate agents, building societies, banks and brokers may call them different names. However, they all mean the same thing.

Provider
Details
Initial rate
Overall cost for comparison
Fixed for 5 years
X%
then X% (variable)
Fixed for 5 years
X%
then X% (variable)
Fixed for 5 years
X%
then X% (variable)

Because we have access to over 90 lenders, we’re confident of finding a deal that suits your circumstances.

That said, it’s important that you fill out the mortgage in principle honestly, as any problems will show up when the lenders do their eligibility checks. If you’re worried that you have an issue that could hold up the mortgage application, speak to an L&C adviser today.

L&C don’t conduct a credit check when you apply for our mortgage in principle, so it won’t affect your credit score at all.

Simply, a mortgage in principle just means you’ve got proof that lenders might be willing to lend you a certain amount to buy your home. It also shows sellers you’re serious and helps you budget before you start house hunting.

Whilst a mortgage in principle isn’t a mortgage offer, it’s the first step in the mortgage process.

The simplest answer is nothing. A mortgage in principle, agreement in principle and decision in principle are different names for the certificate that shows how much a lender might theoretically be willing to lend you.

Once you fill out our simple online form, we can email you your mortgage in principle certificate within 20 minutes . Sometimes it can take a little longer, but you’ll generally have a mortgage in principle certificate within a day of applying.

Your mortgage in principle usually lasts between 30 and 90 days. We suggest applying for a mortgage in principle before you’ve started looking for properties because it can help you understand your borrowing limits. If it expires, you can ask for it to be renewed, or if your circumstance have changed, you can apply for a new one.

Last updated
December 2, 2025
Leading the way...fee free.

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Getting a mortgage in principle couldn’t be easier. Simply use our online Mortgage Finder and get your L&C decision in principle certificate today.

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