POLICE have released advice on how people can be on their guard and beat bogus callers.

West Mercia Police has warned that burglars will not go to the trouble of breaking in if they can just knock and be invited in.

They have told people to always be on their guard when anyone they are not expecting - a man, a woman or even a child - turns up at the door.

Bogus 'officials' may be smartly dressed and claim to be from the council, gas board, health authority or other organisation.

Bogus 'dealers' may offer to buy your antiques, furniture or jewellery, at what seems to be a good price.

Bogus 'workmen' may say that they need to come in to check something or make urgent repairs.

People may also need to be careful of callers who offer to make building repairs or tarmac the drive.

Often they will ask for money in advance or they may even offer to drive their victim to the bank to withdraw money to pay them.

It is best to get several written quotes from reputable firms, then decide which one is best. If in doubt, talk it through with a neighbour or family member.

Genuine callers will normally make an appointment first and will carry identification with their photograph on.

If someone calls at your door:

1. Check to see who it is by using the spy hole if you have one, or look through a front window.

2. Always put the chain on before you open the door. (If you don't have a chain it's a good idea to get one - they don't cost much)

3. With PVC doors, it can be difficult and costly to fit a door chain. Check with the manufacturer before you buy a PVC door, that a chain will be fitted.

4. FIRE SAFETY - only put on your door chain as you answer the door - don't keep it on all the time as this could delay your exit in case of fire.

5. Look at their clothing. Some official callers will have a uniform bearing their organisation's name or symbol.

6. If you don't know the caller, ask to see their identity card. Check it carefully, and keep the chain on while you do this. Genuine callers won't mind if you close the door while you do this.

7. Some public utility services (e.g. water, electricity, gas) operate a password system. Contact your local branch to find out more.

8. If you're still not sure, ask the caller to come back later. You can then check their story by phoning the organisation or company they claim to represent. Look up the number in your own telephone directory. Don't rely on the telephone number on their card - it may be the number of a crook's partner.

9. Bogus callers sometimes work in pairs. Beware of one distracting you while the other steals your property. The best practice is not to let them in.

10. Ensure your back door is locked if you are answering the door to someone you don't know.

11. Watch out for anyone who says they're in a hurry. Don't let them pressure you. If in doubt, call a neighbour or friend.

12. If you have any suspicions at all, don't let them in.

13. If you're still not happy, phone the police - dial 101 and tell them what's happened or if you think a crime is in progress 999. Also tell your neighbours.

14. Always put the chain on and use the spy-hole before you open the door.

15. Never let anyone in unless you are absolutely sure they are genuine.

Anyone who thinks they may have fallen victim to bogus callers can report it on 101 or Crimestoppers anonymously on 0800 555111.