Completion bond
A completion bond, also known completion guarantee is a type of surety bond issued by an insurance company or a bank to guarantee satisfactory completion of a project by a contractor according to the terms and conditions of the contract. If the contractor fails to do so, the bond provides financial protection to the client (usually the project owner). If the contractor defaults or fails to complete the project, the bond issuer (the surety) steps in to cover the costs needed to complete the project, up to the bond amount. This caan help maintain trust and stability in the industry, ensuring that projects are completed as agreed and financial risks are managed effectively.
The contractor applies for the bond through a surety company, providing financial statements, project details, and other necessary documentation. The surety evaluates the contractor’s ability to complete the project, including their financial stability, experience, and track record. If approved, the surety issues the bond, usually for a fee or premium paid by the contractor.
If the contractor fails to meet the contractual obligations, the project owner can file a claim against the bond. The surety investigates the claim to determine its validity. If the claim is valid, the surety may provide financial compensation or arrange for the completion of the project through another contractor.
For project owners, completion bonds mitigate the risk of contractor default, ensuring project completion or financial compensation. For contractors, having a completion bond can enhance credibility and trust with clients, demonstrating financial stability and reliability. In some cases, particularly for public projects, obtaining a completion bond may be a legal requirement.
[edit] Related articles on Designing Buildings
Featured articles and news
How much does it cost to build a house?
A brief run down of key considerations from a London based practice.
The need for a National construction careers campaign
Highlighted by CIOB to cut unemployment, reduce skills gap and deliver on housing and infrastructure ambitions.
AI-Driven automation; reducing time, enhancing compliance
Sustainability; not just compliance but rethinking design, material selection, and the supply chains to support them.
Climate Resilience and Adaptation In the Built Environment
New CIOB Technical Information Sheet by Colin Booth, Professor of Smart and Sustainable Infrastructure.
Turning Enquiries into Profitable Construction Projects
Founder of Develop Coaching and author of Building Your Future; Greg Wilkes shares his insights.
IHBC Signpost: Poetry from concrete
Scotland’s fascinating historic concrete and brutalist architecture with the Engine Shed.
Demonstrating that apprenticeships work for business, people and Scotland’s economy.
Scottish parents prioritise construction and apprenticeships
CIOB data released for Scottish Apprenticeship Week shows construction as top potential career path.
From a Green to a White Paper and the proposal of a General Safety Requirement for construction products.
Creativity, conservation and craft at Barley Studio. Book review.
The challenge as PFI agreements come to an end
How construction deals with inherited assets built under long-term contracts.
Skills plan for engineering and building services
Comprehensive industry report highlights persistent skills challenges across the sector.
Choosing the right design team for a D&B Contract
An architect explains the nature and needs of working within this common procurement route.
Statement from the Interim Chief Construction Advisor
Thouria Istephan; Architect and inquiry panel member outlines ongoing work, priorities and next steps.
The 2025 draft NPPF in brief with indicative responses
Local verses National and suitable verses sustainable: Consultation open for just over one week.
Increased vigilance on VAT Domestic Reverse Charge
HMRC bearing down with increasing force on construction consultant says.
Call for greater recognition of professional standards
Chartered bodies representing more than 1.5 million individuals have written to the UK Government.






















