# Guides | ComputeNow

URL: https://computenow.co.uk/guides/

> Plain-English UK money guides with figures worked out from official 2026/27 rates: tax codes, Income Tax, National Insurance, stamp duty, pensions and more.

This calculator shows a worked example below. To use your own figures, add them to the URL as query parameters (listed in https://computenow.co.uk/llms.txt), for example https://computenow.co.uk/guides/?<parameter>=<value>.

# Guides

Plain-English explanations of UK tax and money rules. Every figure is worked out from official rates, so it is right for the 2026/27 tax year.
Weighing up a decision, like a pension or an ISA? See our [articles](https://computenow.co.uk/articles/).

## Latest

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Reference

### UK tax rates and thresholds 2026/27

18 October 2026
Every Income Tax, NI, student loan, savings, property and vehicle figure in one place.
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Pay & tax

### How Income Tax bands work in 2026/27

18 October 2026
Personal Allowance, basic, higher and additional rate.
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Pay & tax

### What does my tax code mean? 1257L, BR, 0T and K explained

18 October 2026
Read your code and see what it does to your pay.

## Start here

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Reference

### UK tax rates and thresholds 2026/27

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Pay & tax

### How Income Tax bands work in 2026/27

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Pay & tax

### What does my tax code mean? 1257L, BR, 0T and K explained

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Data study

### What you keep from a pay rise in 2026/27

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Pay & tax

### National Insurance in 2026/27

## Data studies

Our own analysis, worked out with the same calculations as our calculators.

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### What you keep from a pay rise in 2026/27

Take-home from every extra £1,000, salary by salary.
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### How big could your pension be?

Pension pots by the age you start saving.

## Pay & tax

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### UK tax rates and thresholds 2026/27

Every Income Tax, NI, student loan, savings, property and vehicle figure in one place.
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### How Income Tax bands work in 2026/27

Personal Allowance, basic, higher and additional rate.
-

### What does my tax code mean? 1257L, BR, 0T and K explained

Read your code and see what it does to your pay.
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### National Insurance in 2026/27

Rates, thresholds, category letters and salary sacrifice.
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### The 60% tax trap

Why income over £100,000 is taxed at 60%, and what to do.
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### Student loan repayments in 2026/27

Thresholds for every plan and monthly examples.
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### Why is my pay different this month?

The usual reasons a payslip changes, whether it evens out, and who to ask.
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### Salary sacrifice explained

Pensions, electric cars and what you save.
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### The Child Benefit charge

What you pay back on income over £60,000.
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### UK tax and money glossary

Plain-English meanings with this year's figures.

## Property

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### Stamp duty in 2026 across the UK

SDLT, LBTT and LTT bands, first-time buyers and second homes.
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### How much does it cost to buy a home?

Deposit, stamp duty, mortgage and the income you need.

## Vehicles

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### Car tax in 2026: rates for every car

First-year rates, the standard rate and the expensive car supplement.

## Loans & savings

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### The State Pension and your NI record

What each qualifying year is worth.
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### UK interest rates and inflation today

Average mortgage, savings, loan and card rates.

## Guides and help

### Official services and free advice

[Check your Income Tax for this year GOV.UK: your tax code and pay so far](https://www.gov.uk/check-income-tax-current-year)[Check your National Insurance record GOV.UK: find gaps that cut your State Pension](https://www.gov.uk/check-national-insurance-record)[Check your State Pension forecast GOV.UK: how much and when](https://www.gov.uk/check-state-pension)
These results are an estimate, not financial advice. They use the 2026/27 rates in force on 24 October 2026 and the inputs shown, so your actual tax, pay or costs may differ. Before making a decision about your money, check the figures with HMRC or your provider, or speak to a regulated financial adviser. Free, impartial guidance is available from MoneyHelper.
This page explains the rules using the 2026/27 rates in force on 24 October 2026. It is general information, not financial advice. For decisions about your own money, speak to a regulated financial adviser, or get free, impartial guidance from MoneyHelper.
