Hi,
Guidance on completing a VAT return to account for import VAT using PVA can be found here:
Complete your VAT Return to account for import VAT
You will need to include the net value of the import in box 7 and you can obtain this value from the customs declaration that was made for the import of the goods into the UK. If you have an
item on your PVA statement where you are liable to account for the import VAT but not eligible to reclaim the VAT then yes the import VAT will need to be declared in box 1 and the net value
of the import in box 7.
Thank you.