Principal contract
The principle contract means is main contract between the parties named in the agreement.
A contract administrator for construction contracts, is likely to be appointed for the administration of what might be deemed as the main or principle contract and they may also be referred to as the Principle Contract Manager (PCM). In turn a sub-contractor may have a certain obligation that relates to elements of the principle contract, such as the date of practical completion of the Principle Contract Works.
A related term might be the principal contractor, which under the CDM regulations is the contractor with control over the construction phase of a project involving more than one contractor. They are appointed in writing by the client (commercial or domestic) to plan, manage, monitor and coordinate health and safety during this phase.
The term a principle might be used to convey a proposition that serves as the foundation for a system, a set of behaviours or chain of reasoning. In construction terms it may be combined with a number of words to cover different areas of expertise such as prevention, proximity, precautionary, fundamental or cost principles aswell as planning or permssion that is give in principle.
[edit] External Links
https://www.hse.gov.uk/construction/areyou/principalcontractor.htm
[edit] Related articles on Designing Buildings
- CDM 2015.
- CDM 2015 contractor duties.
- CDM 2015 legal considerations.
- CDM 2015 principal contractor duties.
- Construction contract.
- Contract administrator for construction contracts.
- Contractual prevention principle.
- Costs principle.
- Fundamental Principle.
- Habitats of Principle Importance.
- Planning permission in principle measure.
- Planning in Principle measure.
- Permission in principle.
- Planning in principle.
- Principle of prevention.
- Proximity principle.
- Precautionary principle.
Featured articles and news
We're expanding our collaborative mission by launching DB Intelligence, an exclusive market research advisory panel. Built environment professionals can now get paid to share their expertise on industry trends, products and services.
Panel members receive direct financial incentives for participating in research projects like short surveys, 1-2-1 interviews and focus groups. Register today to shape the future of the construction sector.
Planning condition discharge in England and Wales
A brief exoplanation from a building compliance expert, with further links.
Overheating guidance and tools for building designers
Guidance for dealing with element of building fabric control that have increasing importance.
Shading for housing, a design guide
From the Good Homes Alliance and British Blind and Shutter Association.
UK Standard Skills Classification (SSC)
A shared framework for describing skills needs.
Social media ban consultation comes to close
CIOB urges UK Government to consider social media’s role in careers guidance in ban debate.
The latest of eight Skills England apprenticeship units
The addition of battery manufacturing welcomed by ECA with a warning about the risks of fast-tracked apprenticeship units.
Building Control Independent Panel final report
A precis of a key report led by Dame Hackitt with full recommendations and link to the government response.
Building Safety recap April, 2026
A short and longer run-through of the month, with links to further information and sources.
CIAT May 2026 briefing.
From medieval scribes to modern word art.
ECA welcomes crackdown on late payment and push for clean energy, whilst CIOB seek fixed cladding removal timeframes.
Cyber Security in the Built Environment
Protecting projects, data, and digital assets: A CIOB Academy TIS.
Managing competence in the built environment
ITFG publishes new industry guide on how to meet the ICC principles.
The UK's campaign to reduce noise pollution: Mythbusting, articles and topic guides.




















