Range from the cheapest Electric shower installation £192 (Barry Chadwick Electrical Contractor based in ST17) to the dearest Electric shower installation £224 (Abode Automation based in ST20).
Comparing electricians estimates for Electric shower installation 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 a new electric shower installation by posting your job to electricians in ST15.