What is a Part M Ancillary Certifier?
A Part M Ancillary Certifier plays a critical role in ensuring that your building project adheres to the accessibility standards outlined in Part M of the Building Control Regulations and ensure that a Granted Disability Access Certificate is complied with.
A Part M Ancillary Certifier prepares inspection plans, completes regular inspections, reviews detailed drawings and datasheets and approves benchmarks in relation to accessibility in order to certify the compliance of the works.

Service Details
Our expert team work alongside architects, engineers, developers, and construction professionals to provide Part M Ancillary Certification for projects, reducing the risk of non-compliance and associated penalties. We handle the documentation and assessments needed to certify compliance with Part M of the Second Schedule of the Building Regulations and the Granted DAC.
Core Areas of Focus
Part M Certification Process
We guide our clients through the certification process, ensuring projects comply with all aspects of accessibility and Part M, to provide the necessary ancillary certificates.
Thorough Inspections
Our team conducts detailed assessments of buildings during construction to ensure they meet accessibility standards for all areas inside and out, in accordance with best practice.
Consultation and Compliance Checks
Our services include regular checks throughout the detailed design and construction phases to monitor ongoing compliance with Part M standards. This proactive approach helps us catch any issues early and stay ahead of potential risks.
Documentation and Sign-Off
We provide comprehensive documents to help prepare and support clients in gathering and evaluating the necessary documentation required to obtain certification.
Key Benefits
Disability Inclusive Design Validation
We evaluate and deliver on all areas of accessibility, so your building is accessible to all users, enhancing functionality and inclusivity.
Compliance
Our in-depth services help your project comply with the requirements under Part M of the Second Schedule of the Building Regulations and the Granted DAC, reducing the risk of costly delays or legal issues.
Smooth Certification Process
We work with your team through the entire Certification process, from initial reviews to final documentation to achieve all necessary standards with as little friction as possible.
Regulatory Assurance
Receive expert advice and certification that confirms your project meets all accessibility and Part M requirements, offering peace of mind throughout the construction process.
Why Choose OHAC?
With over 17 years of experience in the accessibility space, OHAC is the trusted partner to many companies and individuals ensuring compliance and end user satisfaction in the design and construction of projects. We work with all the major architectural and construction companies across Ireland, as well as many international clients who have sought our services specifically. Our expertise ensures that projects achieve a high level of accessibility in all areas, meet all required standards, and are delivered in a timely and efficient manner.
