CCTV has been a common fixture in shops, pubs, car parks and other public places for years. Now, thanks to easier installation and falling prices, it's becoming an increasingly popular choice for security-conscious homeowners. However, it's not for everyone - only 5% of the 1,292 Which? CCTV is just one line of defence against crime and works best when combined with other measures, such as a burglar alarm, door and window locks, gravel around your property and security lights. CCTV camera resolution is measured in lines - the higher this is, the sharper the image will be.
The Metropolitan Police Office says that studies have shown a well-fitted and maintained intruder alarm system makes you less likely to become a victim of burglary. But how do you choose the right one for you and your home? Below we talk through the different types of alarm systems and contracts and useful things to consider. The best type of alarm for your home depends on your personal preferences, budget, where you live, what your home is like and what level of protection you need. A key consideration is what you would prefer to happen when your alarm goes off.