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UK Finance Guides & Advice

Plain-English guides to UK tax, savings, mortgages and more. Always free, always up to date.

Tax

Capital Gains Tax UK: Complete Guide for 2025/26

Everything you need to know about Capital Gains Tax in the UK for 2025/26. Rates, allowances, what you pay it on, reliefs you can claim and how to report it to HMRC.

5 April 2026 · 11 min readRead guide
Property

How Much Can I Borrow? UK Mortgage Affordability Guide 2025/26

Find out how much you can borrow for a mortgage in the UK. Covers income multiples, the stress test, deposit sizes, credit scores and how lenders really make their decision.

5 April 2026 · 11 min readRead guide
Pensions

How Much Do I Need to Retire? The UK Answer for 2025

Find out exactly how much you need to retire comfortably in the UK. Covers the Retirement Living Standards, the 25x rule, State Pension, pension pots and what it all means for your age.

5 April 2026 · 11 min readRead guide
Tax

National Insurance Explained: Complete UK Guide for 2025/26

Everything you need to know about National Insurance in 2025/26. Rates, thresholds, classes, what it pays for and how the employer changes affect you. Updated with the latest HMRC figures.

5 April 2026 · 10 min readRead guide
Salary

What is a Good Salary in the UK? The 2025 Guide

Find out what counts as a good salary in the UK in 2025. Based on the latest ONS data, we break down median earnings by region, age, sector and occupation to help you know exactly where you stand.

5 April 2026 · 10 min readRead guide
Property

Stamp Duty Calculator UK 2025/26 — Complete Guide to SDLT

Everything you need to know about UK Stamp Duty Land Tax in 2025/26. Covers current rates, first-time buyer relief, buy-to-let surcharge and real examples.

4 April 2026 · 9 min readRead guide
Tax

UK Income Tax Bands 2025/26 — Complete Guide

Everything you need to know about UK income tax bands for 2025/26. Includes rates, personal allowance, the 60% tax trap and real-world salary examples.

3 April 2026 · 10 min readRead guide
Savings

ISA Allowance 2025/26 — Everything You Need to Know

The UK ISA allowance for 2025/26 is £20,000. Here's everything you need to know about ISA types, rules, deadlines and how to make the most of your tax-free savings.

2 April 2026 · 8 min readRead guide

© 2026 SterlingCalc. For guidance only.

Updated for 2025/26 tax year.