Range from the cheapest £30 per hour and £230 per day (J&M HOME IMPROVEMRNTS LTD based in TW4) to the dearest £47 per hour and £274 per day (CSV Electrical based in TW5).
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 North West London
| Job details | Estimate |
| Cost to install a smoke alarm | £547 |
| Cost to install outside security lights | £546 |
| Cost to fit a smart doorbell | £544 |
| Cost to install CCTV cameras | £511 |
| Cost to fit a carbon monoxide detector | £547 |
| Cost to install a burglar alarm | £271 |