Range from the cheapest £43 per hour and £260 per day (Premier alarms based in TN15) to the dearest £85 per hour and £500 per day (A Bankside Sevenoaks Electrician based in TN13).
Comparing hourly and daily rates of Fire & Security Specialist's gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
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See table for all Fire & Security Specialist rates in Sevenoaks
| Job details | Estimate |
| Cost to install a smoke alarm | £562 |
| Cost to install outside security lights | £561 |
| Cost to fit a smart doorbell | £559 |
| Cost to install CCTV cameras | £519 |
| Cost to fit a carbon monoxide detector | £562 |
| Cost to install a burglar alarm | £279 |