- Project plans
- Project activities
- Legislation and standards
- Industry context
Last edited 04 Oct 2018
Defective Premises Act
Where a contractor is involved in the construction of a residential dwelling there is an implied term, implied by law, that the contractor will carry out the work in a good and workmanlike manner, that they will supply good and proper materials and that the dwelling will be reasonably fit for human habitation. This common law obligation has now been supplemented by a statutory code set out in the Defective Premises Act 1972 (DPA) which came into force on 1 January 1974.
The Act provides that a person taking on work for, or in connection with, the provision of a dwelling owes a duty to the person acquiring the dwelling and subsequent purchasers to see that the work which they take on is done in a workmanlike or professional manner, with proper materials so that it will be fit for habitation when completed.
- a) If the dwelling is provided to the order of any person, to that person; and
- b) Without prejudice to paragraph A above to every person who acquires an interest (whether legal or equitable) in the dwelling; to see that the work which he takes on is done in a workmanlike or, as the case may be, professional manner with proper materials and so that as regards that work the dwelling will be fit for habitation when completed’
The DPA applies to the provision of new dwellings, extensions or conversions and the defects must be significant to render the dwelling unfit for habitation. This could clearly affect contractors and consultants when constructing/designing residential properties. Whilst contractors and consultants may in their written contracts seek to limit or exclude liability for losses, they cannot exclude or limit liability under the DPA to the current or subsequent owners.
The DPA is restricted to the provision of dwellings and does not apply to commercial developments. There is also a statutory exception: Section 2(1) provides that where the construction of the dwellings is subject to 'an approved scheme' the Act does not apply. The National House Building Council operates a warranty scheme for dwellings that is approved under the Act.
In the case of Zennstrom & Anor v Fagot & Ors (2013), circumstances proved the defendants were not property developers; they were just building their dream home. Compelling evidence that supported this were the bespoke features installed, such as an entertainment system and art work, together with evidence from friends, neighbours and their architect that the house was to be their dream home. Also, significantly, the property did not benefit from an NHBC certificate which it might have, had it been developed by a property developer.
 Related articles on Designing Buildings Wiki
- Collateral warranty.
- Construction contract.
- Defective Premises - Liability and Measure of Damages.
- Defective premises and freeholder liabilities.
- Fitness for purpose.
- Housing defects.
- Housing Defects Act 1984.
- Reasonable skill and care.
- The supply of goods and services act.
- Zennstrom & Anor v Fagot & Ors.
 External references
Featured articles and news
What future infrastructure provision might look like.
Highlighting the health benefits of home improvement.
Pavilions for music, entertainment, and leisure. Book review.
Broadening our understanding of Dublin’s chequered social history.
The charm of London's Cabmen's shelters.
Future Weather Files research tool looking for feedback.
Exploring the Colour Rendering Index.
Why it's important to find out what went wrong.
ECA reviews the shape of the construction job market.
Why proper room acoustics make a difference.
Initiative puts gas networks on the path to net zero.
WICE Woman Architectural Technologist of the Year 2019.
Traditional low-energy approaches to comfort.
Revisiting the McArthurGlen Designer Outlet in Ashford.
USA In-Use Version 6 is now available.
The rise of architectural barbarism.
In contentious political contexts heritage can be more fractious.