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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.

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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.

Last updated
November 6, 2025
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Your next step now

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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See the deals you qualify for & how much you could borrow.

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