Getting your website ranked number one for '
tiler in XXXXX' can get you every hit for a person searching the net for a
tiler, and providing it's a decent site you'll get calls, then providing you sell yourself a bit and offer a free estimate you'll get your foot in the door, then providing you talk the talk and walk the walk you should get a good chance of getting the job.
I chose ord of mouth above although for NEW
TILER I reckon a website, all the free listings with Yell etc, then all the listings you can get in on websites like
FindTrustedTradesmen.co.uk - Find tilers, plumbers, plasterers, electricians, builders, bathrooms specialists and more. and then some leaflets, good business cards in shops and a nice sign written van will give you a good start and get your name out there somewhere.