Up early on a Sunday morning and this question popped in my head for some reason.
At work there are several people who have a 'right of access' to the gaming establishment I work in. Theres a couple of obvious ones (police, fire brigade) and a few specific ones (gambling commission, environmental health etc).
These people are to be allowed access to anywhere they see fit, but there are other procedures to be followed if they want to take anything away.
Who, if anyone, has 'right of access' to your own house??
without a warrant or your consent if they are looking for drugs or firearms, if a crime is being committed on the premises, or to arrest someone.
Fire fighters can also enter if they are fighting a fire, and may force an entry if necessary. They may also enter your home in order to fight a fire in your neighbour's house.
Gas supply companies can enter without a warrant or your consent if there is a gas leak, and you refuse to allow them to enter. They would normally be accompanied by Police in those circumstances.
Planning officers can enter without a warrant, but must give you 24 hours notice. They must not force an entry, but you commit a criminal offence if you refuse to allow them access.
In short, nobody ccan force an entry without a warrant, unless there is an emergency where life or property is at risk. Lots of people think that Bailiffs can forcer an entry, but they can't. They may enter via an unlocked door or window if they have a warrant. If you give bailiffs permission to enter the house they have a legal right to stay inside, even if you ask them to leave.
"The Police may enter your home without a warrant or your consent if they are looking for drugs or firearms"
Situations in which the police can enter premises without a warrant include when they want to:
Deal with a breach of the peace or prevent it. Enforce an arrest warrant. Arrest a person in connection with certain offences. Recapture someone who has escaped from custody. Save life or prevent serious damage to property.