Thanks Guys,
so it is possible then! There has been lots of new housing developments in our town with very pretentious street names, had visions of delivery drivers driving around for hours looking for "Goldington Fields".
We are totally kicking ourselves actually as we saw a 6x4 shed in Focus at the weekend for £80 - it had some damage to a panel, nothing a few nails couldn't sort, but did not realise this was dirt cheap (was first one we had seen) and thought that we may still get a cheaper one on the net. Have been looking around now and having same problem as Dave and Tara - normally £170+!! Bet someone has snapped it up by now.
Was half joking about the postcode, but am intrigued now, going to try it out on the royal mail site, it probably has got one!