First Key

In development

Guide

Before you apply

Get mortgage ready

19 documents and checks lenders and solicitors ask for. Have them ready and your application moves days faster. Skip any that don't apply to you.

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What a mortgage in principle is · Getting your credit file ready

Checked 2026-10-04.

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Who you are

What you earn

Your money

What you pay out

Before you apply

A guide: every lender is a little different, and your broker or lender will tell you exactly what they need.