Range from the cheapest CCTV installation cost £390 (Eyes4usecurity based in Ha0) to the dearest CCTV installation cost £640 (NWL Electrics based in HA2).
Comparing electricians 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 electricians in Harrow.