Self Assessment

Self-Assessment runs on a handful of fixed dates - and HMRC's penalties for missing them are automatic, steep, and land even if you don't owe a penny. This guide sets out every deadline that matters, exactly what late filing and late payment cost you, and - if you've already slipped past a date - how to limit the damage. It's part of our series of simple explainers and sits alongside our Essential Guide to Self-Assessment for the Self-Employed, which covers who actually needs

If you’re self-employed, a landlord, or earning income outside of PAYE, then filing your annual Self Assessment Tax Return is part of the deal. But here’s the reality: most people leave it until the last minute. At ASBA Accounting, we see the same pattern every year - January panic, rushed submissions, and unnecessary stress. The truth is, completing your Tax Return early isn’t just about being organised… it can actually save you time, money, and headaches. Let’s break down w

July can often bring confusion and surprise for UK taxpayers dealing with payments on account. Following on from our recent blog post on Making Tax Digital for Income Tax Self-Assessment and what that will mean for you as a Self Assessment tax payer, this next guide in our series we'll clearly explain what payments on account are, who needs to make these payments, how they're calculated, and provide straightforward worked examples to make it simple to understand. Read on to f

Prepare for HMRC's Making Tax Digital for Income Tax Self-Assessment (MTD-ITSA). ASBA Accounting offers expert accountancy support for landlords and self-employed individuals needing help with Self-Assessment Tax Returns in Crawley.

Filing a Self-Assessment tax return is a fact of life for self-employed individuals, small business owners and freelancers. Get it right and it's straightforward. Get it wrong, or leave it too late, and it becomes stressful and expensive. This guide covers who needs to file, what you'll need, how the process works step by step, and the significant change that arrived in April 2026 with Making Tax Digital. It's part of our series of simple explainers designed to make tax make