Under the Defective Premises Act 1972 (DPA 1972), a person who takes on work: • for, or in connection with, the provision of a dwelling (DPA 1972, s 1(1)), or • in relation to any part of a ‘relevant building’, which is a building containing one or more dwellings (DPA 1972, s 2A), owes a duty to ensure that the work is done in a workmanlike or, as the case may be, professional manner, with proper materials so that the dwelling is fit for human habitation. 'Fit for habitation' does not impose a separate obligation, but is the standard by which 'workmanlike’/’professional’ manner and 'proper materials' are to be judged. This means that liability under DPA 1972, ss 1(1) and 2A is strict: if the works or materials provided have caused the dwelling to become unfit for habitation, the defendant is liable for breach of the statutory duty, regardless of whether it used reasonable skill and care, or met any other relevant standard in relation to its works or services. However, it