For a full wedding, with a total playing time of two and a half hours spread over the duration of the event in accordance with your instructions, my current charge is
£300
I have been playing for weddings for many years now, and I understand what is required. I provide sophisticated and discreet background music for the ceremony and/or the reception, tailored to fit your concept of how the day should be. I discuss your requirements with you beforehand.
The music I play is solo classical guitar, with the addition of Spanish and flamenco music if you like that style.
Here are three sample tracks of my playing, two classical and one flamenco.