If you ordered through avi-8.com:

While we offer FREE worldwide shipping, please note that this only covers the cost of shipping your order. This does not include the import tax or VAT charges that may or not may not be imposed by the customs of the country it is being received in. The recipient takes full responsibility for paying the import tax or VAT, as stated in the Shipping Policy found on every page of our website. 

If you ordered through avi-8.co.uk:

All shipments towards the UK and countries that are within the EU (European Union) are VAT inclusive. 

For customers in countries within Europe but are not members of the EU (European Union), the price listed on our website are non-inclusive of local tax, VAT, import fees or other local duties which may apply depending on where you are. The recipient takes full responsibility for paying the import tax or VAT, as stated in the Shipping Policy found on every page of our website.