Range from the cheapest £38 per hour and £251 per day (Gethin Williams Trydanwr Mon Electrical based in LL77) to the dearest £42 per hour and £273 per day (Phil Hynes Electrical Contactors Limited based in LL61).
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 Tyn-y-gongl
| Job details | Estimate |
| Cost to install a smoke alarm | £523 |
| Cost to install outside security lights | £522 |
| Cost to fit a smart doorbell | £520 |
| Cost to install CCTV cameras | £500 |
| Cost to fit a carbon monoxide detector | £523 |
| Cost to install a burglar alarm | £260 |