My VAT due on filling return are wrong, because my selling (some of them) are without VAT as the most of my works are in new constrution site and are with no VAT on it, but when i try to submit the VAT return the calculations inclede my VAT selings and my no VAT sellings. How i can get it sorted.
With the Flat Rate VAT scheme you would need to mark any invoices you do not want featuring in your Flat Rate Turnover as out of scope. Just check with HMRC what you can class as out of scope first.
This option will appear when the associated client is marked as follows:
Another (possibly quicker) option is to calculate the value of those sales and adjust your VAT return accordingly.