Ledged plank doors, locks and insurance woes

[noj]

We've got three external doors, all ledged plank and obviously no approved mortice locks. Can't find contents insurance (except for £600+). NFU who are happy to insure the building won't even quote!

Any ideas? What has anyone in a similar situation done?

 

[a twig]

Install "approved" locks?

 

[a twig]

Being slightly more helpful, most insurers should accept alternative approved locking methods, we've used these in the past

Rim Latch Range to British Standard Specification

Wide range of British Standard Rim Latches. High Security designs for insurance compliance, available with pre and post sales support and express delivery options.

www.lockshop-warehouse.co.uk

Or if you really want mortice, you can effectively box one into the back of the door using a solid wooden rectangle - you could use your router to make the "mortice" in advance, easier than chiseling, and if you ensure the wooden box is nicely finished it isn't much of an eyesore