Just phone up an insurance company and ask.

Choose any company but not your current insurer for advice if you don't want to reveal anything to them.

In any case if you insure with a company, that does NOT mean that a claim will be successful as assessment is made on the CLAIM, not the nature of the policy. So if you are in breach of the policy by not revealing important detail to the insurance company, the company may just decide to NOT pay.

You should just phone your own company and tell them what you want to do.