Range from the cheapest £24 per hour and £182 per day (E W McConvey based in BT30) to the dearest £30 per hour and £240 per day (Mcknight electrical services based in BT22).
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 Downpatrick
| Job details | Estimate |
| Cost to install a smoke alarm | £374 |
| Cost to install outside security lights | £373 |
| Cost to fit a smart doorbell | £371 |
| Cost to install CCTV cameras | £425 |
| Cost to fit a carbon monoxide detector | £374 |
| Cost to install a burglar alarm | £185 |