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Mortgage offers: how long can they last?

Everything you need to know about mortgage offer validity periods, extensions, and what happens if yours expires.

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Last updated 27 Nov 2025

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Key takeaways

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Mortgage offers typically last 3-6 months from issue date, giving you time to complete the conveyancing process

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You can request extensions with 2-4 weeks' notice, with most lenders offering 1-3 months extra

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If your offer expires, you'll need to reapply completely and may face new fees and different interest rates

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Mortgage in Principle (MIP) lasts only 60-90 days for house hunting, while full offers last much longer

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Lenders can withdraw offers before expiry if your circumstances change or property issues arise

The mortgage offer timeframe

Understanding the key timeframes helps you plan your property purchase and avoid last-minute panics. Here’s a breakdown of how long each stage typically lasts:

 

Stage

Typical duration

Notes

Mortgage in principle

60 – 90 days

For house hunting

Full mortgage offer

3 – 6 months

From application approval

Extension (if granted)

1 – 3 months

Varies by lender

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How long can mortgage offers last?

Mortgage offers don’t last forever, they typically last for 3 to 6 months depending on your lender. Buying a house is exciting, but it can take time, that’s why keeping an eye on your mortgage offer expiry date is crucial

In this guide we’ll explain what a mortgage offer is, how long they last, and what to do if yours expires before you’ve taken out a mortgage.

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