On Sun, 21 Jun 2009 17:44:34 +0100, Steve Walker
wrote:

simply a 12' gate with a 3' gate welded to the end of it

I think he now wants wood rather than metal, though I suppose you
could bolt a 3' wooden gate to a 12' one.

I'm surprised that the consensus seems to be to buy ready made gates;
normally you get told off for doing that in uk.diy