Range from the cheapest CCTV installation cost £488 (ALG Electrical Services based in KA20) to the dearest CCTV installation cost £503 (2k's Security based in PA11).
Comparing fire & security specialists estimates for Install CCTV cameras gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for installing CCTV cameras in your home by posting your job to fire & security specialists in KA30.