I had my first flat about a month ago.
As mine is a company vehicle I had to take it to Kwik Fit. (Loughborough) Got there at 3pm on the Monday and they found a small nail through the centre ofthe tyre. The manager told they didn't stock the tyre and would have to order it in.
Went back on Wednesday and they completed the repair with an identical tyre. Cost to company was £154.00. Not cheap !!!!