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Burglar alarms and home security

Burglar alarm and installation costs

By Liz Ransome-Croker

Article 2 of 7

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

Discover the average price of a burglar alarm system, based on data from our survey of Which? members, and see our expert buying tips. 

Which? members can log in to unlock this page to see the average price for a burglar alarm and installation. If you're not yet a member, sign up for a £1 trial to Which? to get instant access.

As well as average prices, we present our tips about burglar alarms, including what to look out for, what not to compromise on, and how to get the best price. We've found that the advice given by installers, and whether or not you were charged for useful extras, varies greatly. In addition, find out whether a burglar alarm is worth installing to get a discount on your home insurance. 

By logging in you will also gain access to our best burglar alarms guide, which gives customer scores to seven burglar alarm brands, including ADT, Yale, Veritas and Scantronic alarms, as well as local independents.

We've rated two sorts of burglar alarms. The first are monitored by the company and you pay an annual or monthly fee for this service. The company will then call you if the burglar alarm goes off or alert the police. 

The second type are bells-only or those that auto-dial you if there's a break-in. These don't come with a contract and can often be bought from DIY shops.

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