OJ Building Consultancy provides professional CDM Principal Designer services for construction projects throughout the UK. Our experienced CDM Principal Designers support clients, developers, architects, contractors, landlords, and property owners in complying with the Construction (Design and Management) Regulations 2015.
We help ensure that health and safety is properly planned, managed, monitored, and coordinated during the pre-construction phase and throughout the design process.
Whether you are delivering a residential development, commercial refurbishment, industrial facility, education project, healthcare scheme, or higher-risk building, our competent CDM Principal Designers provide practical compliance support from concept design through to project completion.
Our team has extensive experience working on complex construction projects, including high-rise residential developments, commercial schemes, remediation projects, cladding works, and mixed-use developments.
A CDM Principal Designer is a dutyholder appointed under the Construction (Design and Management) Regulations 2015 for projects involving more than one contractor.
The CDM Principal Designer is responsible for planning, managing, monitoring, and coordinating health and safety during the pre-construction phase.
The role includes:
OJ Building Consultancy provides competent and experienced CDM Principal Designer services for projects across England and Wales.
We help clients comply with the Construction (Design and Management) Regulations 2015 by acting as the appointed CDM Principal Designer.
Our consultants ensure that all reasonable steps are taken to manage health and safety risks during the design and pre-construction phases.
We coordinate the pre-construction phase by:
Our CDM Principal Designers identify, eliminate, reduce, and control foreseeable risks associated with:
We assist clients in preparing and managing Pre-Construction Information (PCI), including:
Our CDM Principal Designers work closely with Principal Contractors and project teams to ensure ongoing communication and coordination throughout the construction phase.
We support:
OJ Building Consultancy coordinates the preparation and compilation of the Health and Safety File required under CDM Regulations.
The Health and Safety File may include:
Our consultants have extensive experience in construction health and safety, design risk management, fire safety, and complex construction projects.
We provide CDM Principal Designer services throughout London, Manchester, Leeds, Birmingham, Liverpool, Sheffield, Bristol, Newcastle, Nottingham, Leicester, and across the UK.
We work across multiple sectors including:
OJ Building Consultancy provides practical and commercially focused CDM advice that supports efficient project delivery while maintaining high health and safety standards.
Our team has significant experience in:
OJ Building Consultancy supports residential developers, housing associations, landlords, and private clients with CDM Principal Designer services for:
Our residential CDM services include:
We provide CDM Principal Designer services for commercial and industrial projects including:
Our commercial CDM consultants support safe and compliant project delivery from design through to completion.
Under CDM Regulations 2015, the Principal Designer must:
OJ Building Consultancy provides a proactive and structured approach to fulfilling CDM Principal Designer duties.
Our consultants have experience supporting:
We help clients manage health and safety risks effectively while maintaining programme and compliance objectives.
Appointing a competent CDM Principal Designer helps:
OJ Building Consultancy delivers practical and effective CDM coordination tailored to each project.
A CDM Principal Designer must be appointed on projects involving more than one contractor.
An architect can act as CDM Principal Designer if they have the necessary skills, knowledge, experience, and organisational capability.
Yes. Subject to project scope and suitability, OJ Building Consultancy can provide both CDM Principal Designer and Building Regulations Principal Designer services.
We work across residential, commercial, industrial, education, healthcare, hospitality, retail, and mixed-use developments.
Yes. Our consultants support Higher-Risk Buildings and complex developments, including Building Safety Act compliance projects.
Looking for an experienced and competent CDM Principal Designer?
OJ Building Consultancy provides professional CDM Principal Designer services across the UK. Our experienced consultants help developers, contractors, architects, landlords, and property owners achieve compliance with CDM Regulations 2015 while improving construction health and safety standards.
Contact OJ Building Consultancy today to discuss your CDM Principal Designer requirements.
OJ was founded in 2007 and has since supported businesses across the UK with reliable, expert compliance services. Below is a snapshot of clients who trust OJ with their ongoing compliance needs:
OJ Building Consultancy delivers specialist building safety services that help developers, contractors and duty holders reduce risk, avoid costly delays and deliver projects with confidence. Trusted by construction teams across the UK, we provide clear, trusted guidance from early design through to completion. Giving you certainty at every stage of your project.
Our practical, outcome focused approach removes guesswork, prevents expensive mistakes and keeps projects moving smoothly, so you can make informed decisions with confidence and stay firmly in control.
Our building safety consultants are highly experienced across all aspects, combining in-depth technical knowledge with real-world construction experience.
We provide clear, practical guidance on safety management, risk control and regulatory responsibilities, helping you make confident decisions at every stage of your project.
We support projects at the earliest stages to identify and manage building safety risks before they become problems. Early involvement allows us to influence design decisions, clarify responsibilities and prevent delays later in the programme.
This includes:
Risk identification
Design-stage safety input
Coordination with designers and consultants
Clear safety strategy development
We help clients understand and meet their duties under the Building Safety Act and associated regulations. Our team stays fully up to date with legislative changes, ensuring your project remains aligned with current requirements.
Our support includes:
Advice on duty holder responsibilities
Building safety documentation review
Support with regulatory submissions and expectations
Ongoing guidance throughout the project lifecycle
Clear, well-structured information is critical to avoiding delays linked to Gateway requirements. We help ensure building safety information is accurate, coordinated and ready when it’s needed.
We assist with:
Preparation and review of information
Coordination of safety documentation
Reducing rework caused by unclear or incomplete submissions
Supporting smooth progress through regulatory checkpoints
Building safety doesn’t stop at design. We continue to support projects during construction, helping teams manage emerging risks and maintain control.
This includes:
Ongoing building safety advice
Review of changes affecting safety
Supporting safer construction practices
Maintaining clarity as projects evolve
OJ Building Consultancy provides specialist services to help developers, contractors and duty holders reduce risk, avoid costly delays and deliver projects with confidence in the UK construction sector.
Trusted by construction teams across the UK, we support our clients from early design through to completion, ensuring projects remain controlled, informed and regulator-ready at every stage.
Our services are tailored for:
property developers
main contractors
clients acting as dutyholders
design teams
organisations delivering complex or higher-risk buildings
Our support is scaled to suit each project’s size, complexity and risk, delivering effective safety management without unnecessary processes or delays.
Quick answers to the most common questions about compliance and using our building safety services.
A consultant helps identify, manage and reduce risks that affect the safety of people in and around buildings. This includes design-stage input, regulatory guidance, information management and ongoing risk control throughout construction.
All projects have building safety responsibilities. The level of support required depends on the complexity and risk of the project, with complex and higher-risk developments benefiting most from specialist consultancy.
Yes. We help clients prepare, coordinate and review building safety information to support Gateway submissions and reduce the risk of delays or rework.
Yes. We regularly support complex, high-rise and higher-risk buildings, adapting our approach to suit each project’s specific challenges.
Yes. Our building safety services can cover the entire project lifecycle, from early design and planning through construction and completion. This continuity helps reduce risk, avoid miscommunication and maintain consistency as the project progresses.
If issues arise during construction, we help assess the risk, advise on proportionate solutions and support the team in implementing effective controls. Our aim is always to resolve issues efficiently without unnecessary disruption to programme or budget.
