Maybe you have been over charged but consider this.....if you purchase goods off a local dealer/ importer they have to pay clearance and vat on any goods they sell you, passed onto you as the consumer. So why should you not have to pay the same so it is fair and equitable for everyone? Small businesses are the lifeblood of most economies, they contribute tax and employ your countrymen. So why should they be ''penalised'' by so many private imports not paying any clearance and tax?
We have people here in New Zealand that also grizzle about ''being slugged by customs'' for goods they privately imported. But they forget that if everybody was bypassing local business there would be no such businesses and no employment.
EVERYTHING that comes across the border should be taxed and perhaps the banks should be legislated to do so, off the international money transactions, thereby also eliminating declaration fraud
Perhaps also if you had'nt had Gordon Brown destroying your economy for so long the UK would be in much better shape economically today.