Guard Dogs Act (1975) 

It is an offence to let guard dogs wander freely and unsupervised on private land or in any public place. Section 1 of the Act says that you must clearly display a warning on all outside walls stating that a guard dog is on site. You could be fined up to Five Thousand Pounds for not displaying a sign.

Section 7 of the act says that the guard dog must

• be supervised by a handler at all times and
• be on a secure lead that does not stretch over the whole property.

You could be fined £5000 if you do not keep to this law.