Public, machine-readable dataset of UK Capital Gains Tax rates, annual exempt amounts and related allowances by tax year. Data is published as downloadable JSON and CSV with source citations and retrieval dates.
Build a tax-smart exit calculator, show current CGT thresholds in a dashboard, or automate alerts when HMRC changes rates using the downloadable JSON/CSV. The files include source quotes and retrieval dates so your app can show provenance. You fetch the JSON or CSV directly and embed the provided figure or data. Check the site terms for attribution rules before large-scale republishing.
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