The fact that a purchaser enters into a contract for a land
transaction does not automatically crystallise a liability to stamp
duty land tax Tax. FA2003/S44(2) refers.
Generally, a contract governing a land transaction which is
to be completed by a conveyance will be chargeable on completion.
Completion, conveyance and contract are defined at
SDLTM08100.
But where such a contract is substantially performed before
it is formally completed, the contract is treated as if it were
itself the transaction provided for in the contract.
In this type of case the date of substantial performance is
the effective date in accordance with FA03/S44(4), FA03/S44A(3)
& FA03/S45A(8).
Broadly, substantial performance is the point at which
See SDLTM07900.