Building contract – Adjudication. The Technology and Construction Court held that, in the circumstances, the only substantive declaration that was appropriate was one that said that, unless and until it was challenged in litigation, the parties were bound by the decision in the first adjudication to the effect that the contract between them had been governed by a letter of intent, and not the JCT Intermediate Building Contract with contractor's design terms 2011. The adjudicator had been entitled to reach the conclusion that he had, and he had had the necessary jurisdiction to decide that there had been a valid contract which had incorporated the letter of intent.