- Project plans
- Project activities
- Legislation and standards
- Industry context
Last edited 03 Jul 2017
Historically, this would have been referred to as a maisonette, but the term duplex has become increasingly popular because of its perceived Americanism, and is generally applied to apartments with a more modern design, whereas a maisonette might be more traditional.
An apartment with three floors can be referred to as a triplex. There is some dispute about whether an apartment with a mezzanine level should be referred to as a duplex. Where a duplex is on the top floor of a high-rise building, it might also be referred to as a penthouse.
 Related articles on Designing Buildings Wiki
Featured articles and news
A document can be called a bond or a guarantee. Does the name matter and what is the difference between them?
New briefing note is launched focusing on increasing knowledge of housing that promotes health and wellbeing.
Arbitration is a private, contractual form of dispute resolution used in the construction industry.
The European Parliament has approved a revised Energy Performance of Buildings directive.
One in six MPs supports the ring-fencing of retentions as proposed in the 'Aldous Bill'.
A stakeholder is anyone who has an interest in the process or outcome of a construction project.
BRE launches online self-assessment tool for ethical labour sourcing.
Tower refurbishment failed to meet safety standards on several counts, according to leaked report.
It may seem obvious but what does the term 'structure' refer to within a built environment context?
Carillion's liabilities could be much higher than previously thought, according to Receiver.
Photographing Historic Buildings, by the former head of photography at English Heritage.