Mortgage Affordability Guides

Free, in-depth guides to help you understand how mortgage affordability works in the UK and how to maximise your borrowing potential.

Pillar Guide

How Mortgage Affordability Is Calculated in the UK

A complete guide to income multiples, stress testing, and how lenders decide how much to lend you. Updated for 2026.

Guide

Why Different Lenders Offer Different Mortgage Amounts

The same borrower can be offered amounts that vary by £50,000 or more. Find out why and what it means for you.

Guide

Mortgage Affordability for Self-Employed

How lenders assess sole traders, limited company directors, and contractors. Why checking multiple lenders is especially valuable.

Guide

Buy-to-Let Mortgage Affordability Explained

ICR calculations, stress rates, portfolio landlord rules, and how different BTL lenders assess affordability.

Guide

Mortgage Affordability in 2026: What Has Changed

The latest base rate changes, LTI limits, and how lender stress testing has evolved in 2026.

Guide

First Time Buyer Mortgage Affordability

FTB-specific higher income multiples, stamp duty relief, deposit strategies, shared ownership, and how to check your personalised figure across 60+ lenders.

Guide

Joint Mortgage: How Much Can You Borrow Together?

How lenders combine incomes differently, JBSP options for parents helping, what to do if one applicant has bad credit, and checking joint affordability.

Guide

Do Lenders Count Overtime, Bonus and Commission?

How different lenders treat overtime (100%, 50%, or ignored), bonus income, commission roles, and why this can mean £50,000+ difference in borrowing.

Guide

How Debt Affects Your Mortgage Affordability

Credit cards, car finance, student loans, and BNPL — how each type of debt reduces your borrowing and strategies to improve your position.

Guide

Remortgage Affordability in 2026

1.8 million fixed rates expiring this year. Stress testing differences, capital raising, product transfers vs full remortgage, and mortgage prisoner options.

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