Greg Agrees with Valerie to Build a Garden Shed and a Pool

Multiple Choice

Greg agrees with Valerie to build a garden shed and a pool shed in her garden for £750, payable on completion of both. When only the garden shed is built, Greg informs Valerie that he has been offered a more lucrative job and that he will not complete the pool shed. Valerie decides to build the pool shed herself with the materials Greg has left behind. Can Greg claim any payment for the work he has done on the garden shed?

A) Yes, he can claim half the agreed sum.
B) Yes, he can claim a reasonable remuneration for the value of the work done.
C) No, but he can recover the value of the materials left and used by Valerie to build the pool shed.
D) No, he can claim nothing.