Keep accurate records and separate business transactions. Tax rules, Council Tax and business rates are not the same thing. The furnished holiday lettings tax regime ended in April 2025; check current HMRC guidance with an adviser.
One practical next step.
Take your records and questions to a qualified accountant before filing.
This information reflects my experience and my understanding of published guidance. It is provided for general information only and should not be treated as legal, tax, planning or financial advice. Regulations can change, so always check the current official guidance.