Arnold contracts with Nina to paint the interior of her flat for £200. Halfway through the work he asks for an additional £100. Would he be entitled to the extra payment if:
A) He run out of paint and needed to buy more?
B) Nina asked him to also paint the exterior of the flat?
C) He realised he had undervalued the work?
D) He realised Nina could afford more than £200?

Question

Quizplus · Accepted Answer

A modification to a contract can only be valid if supported by new consideration. Here Nina would be requesting more work for an additional payment. Contrast this with Stilk v Myrick (1809) 2 Camp 317, Stone par 3.9.6

Arnold Contracts with Nina to Paint the Interior of Her