find the insurance policy and the cover note. cover note is a summary of your insurance for the purpose of renewing your road tax.

if you have windscreen coverage, you have to call your insurance company to make sure they cover rear windscreen. most cases, the windscreen insurance covers all windows, windscreen and rear screen.

claiming from windscreen insurance does not affect your NCB.

panel workshop:maybe don't have to fork out cash.

others: get a camera, take a close snap shop of the rear screen then a far shot with your number plate inside. after repair, same shots and submit to insurance company