Hanlet v Tameside Metropolitan Borough Council [2010] UKUT 351 (LC). Suppose something complies with building regulations (or could easily be made to comply). In that case, this is a “material consideration” for a tribunal about a housing health and safety rating system (HHSRS) case.
From 7 April 2011, all residential properties in Wales that are new build or converted after this date are required to have an automatic fire suppression system installed (sprinkler system).