United Kingdom · HMRC
Form SA108 — Self Assessment: Capital Gains Summary
SA108 reports capital gains and losses from shares, property and other assets as part of your Self Assessment return.
Fill SA108 now — free to try
Filled entirely on your computer. Your National Insurance number and personal details are never uploaded.
Who needs SA108?
Anyone who disposed of assets above the reporting thresholds — investors, crypto holders and landlords selling property.
How to fill it with DocsArc
- Open SA108 in the DocsArc workspace with one click above.
- Click any field and type — form fields are detected automatically, and you can add text anywhere.
- Sign it if needed: draw, type or upload your signature, with an automatic date line.
- Save or print. The finished PDF never left your computer.
Frequently asked questions
Do I report UK property sales here?
Residential property gains must usually be reported within 60 days via the separate property return as well — SA108 then summarizes them in the annual return.
Always verify you have the current version: official HMRC page
Contains public sector information licensed under the Open Government Licence v3.0. DocsArc is an independent tool and is not affiliated with HMRC.