Whether it’s an older wooden door that has character or a brand-new wooden door, you’ll most likely need a mortice lock and night latch fitted. Many insurance companies require both locks fitted to wooden doors. It’s important that any mortice locks on external doors are 5 Level British Standard locks, otherwise the level of security is compromised. At RLM Locksmiths, we can advise on the best lock for your door, undertake repairs, fit new locks and even have keys made for old locks that are hard to replace.