The record-keeping shelf · via Amazon.co.uk
UK tax guides & books
A good annual tax guide is a handy companion to GOV.UK — but tax rules change every year, so check which tax year a book covers before you rely on it. For losses on your 2025/26 return you want 2025/26 rules; for 2026/27, the 2026/27 edition.
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Annual UK tax guide (2026/27 edition)
A general guide to income tax, Capital Gains Tax and Self Assessment for the current tax year — useful for seeing how losses fit into the bigger picture.
What to look for
- The tax year on the cover matches the year you’re dealing with
- Coverage of Self Assessment and Capital Gains Tax
- A recent publication date
Always check figures against our key figures page or GOV.UK — books go to print months before the tax year ends.
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Self Assessment tax return guide
Step-by-step help with filling in a tax return, including the supplementary pages where losses are claimed.
What to look for
- Written for the UK Self Assessment system
- Covers the supplementary pages you need (self-employment, property, capital gains)
- Updated for Making Tax Digital if you’re affected
Our guide to where losses go on your return maps the loss boxes on each page.
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Capital Gains Tax guide for investors
For investors with shares, funds, property or crypto — explains gains, losses, pooling and reliefs in more depth.
What to look for
- UK Capital Gains Tax (not US capital gains)
- Covers the current rates and annual exempt amount
- Examples with losses
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Bookkeeping guide for sole traders
Good records are what make a trading loss provable. A plain bookkeeping guide helps you set up a system that will stand up to HMRC questions.
What to look for
- Written for UK sole traders
- Covers the cash basis (the default since 2024/25)
- Mentions Making Tax Digital if you’re over the threshold
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Tax guide for landlords
Rental income, expenses, finance costs and how rental losses are carried forward.
What to look for
- Covers UK property income tax rules
- Updated after the end of the furnished holiday lettings regime (April 2025)
- Explains the finance cost tax reduction
Rental losses usually carry forward automatically — see rental property losses.
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