I’ve just written a new ExpressionEngine plug-in called ‘Add VAT‘. This plug-in takes any numeric value and returns the value plus VAT. You also have to specify the VAT rate obviously.

Typical usage is as follows:

{exp:np_add_vat price="120" rate="15"}

I’m using the plug-in on a website I’m developing where I need to be able to display prices inclusive and exclusive of VAT. Currently the Simple Commerce module does not provide a facility to specify VAT or taxes.

Download: pi.np_add_vat.php.zip

If you have any further ideas as to how the plug-in could be developed do let me know.