Another stupid newbie question

I am about to tackle the plumbing on the basin I have already asked stupid questions on

I have got my plan organised, but when I went to B & Q and saw the prices of the speedfit stuff I changed my mind pretty sharply

I am now planning on running my water pipes up using 15mm plastic pipes, but the fittings will be copper compression joints since they are both cheaper and less bulky. Will this give me a problem? I have also read about pipe inserts, will I need these?

I promise this is my last stupid question- for today at least!

You always need pipe inserts in that dreadful plastic pipe.

Amateurs like Softus like to use plastic but most professionals will suggest you use soldered copper every time!!!

Tony

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Note from moderator:
I think this is an attempt to stir up an argument.

So it should not be taken seriously.

Mod Rupert
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I have plumbed plastic up through a columnar pedestal in plastic where copper would have been impossible. Much more professional than copper in this instance. Horses for courses!
Compression is fine on plastic pipe, better than pushfit imho. (Cheaper in Wickes than B&Q!)

Thankyou very much for your replies- they were a big help

Andy