CDM principal designer in Corby
- Legal requirement
The short answer
Health & safety duties on projects
- Price from
- £500.00
- Time on site
- Not applicable (ongoing role)
What you get
You receive a dedicated professional who plans, manages, monitors, and coordinates health and safety in the design phase of your project, culminating in a comprehensive Health and Safety File.
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When do you need a CDM principal designer?
You must have a Principal Designer if your project involves more than one contractor. This applies to most home extensions and renovations where different trades are used.
What happens on the day
Your designer works behind the scenes during the planning phase to review your architectural drawings. They check that the project is safe to build and maintain.
How to prepare
- Identify all contractors joining the project
- Share existing building plans and surveys
- Point out any known site hazards
- Agree on the project start date
- Confirm the total expected project budget
- Provide access for a site visit
- Gather details of old utility supplies
- Check your designer has enough time
How to improve your result
- Appoint your designer as early as possible
- Keep a file of all safety documents
- Check their experience with similar home projects
- Ask for a clear fee breakdown early
- Ensure they talk to your main builder
- Update them if your plans change
Why it is useful day to day
Having a specialist means your project is less likely to face costly delays from safety issues. You get peace of mind that your home meets all current safety standards.
Why we ask these questions
Your designer answers key safety questions about how the building will be constructed. They ensure everyone involved in the project shares vital safety information.
Frequently asked questions
Often needed alongside
Full architectural service
Concept to completion
- Legal requirement
Planning application
Prepare and submit
Planning consultant
Strategy, appeals, pre-apps
- Legal requirement
Lawful development certificate
Proof works are permitted development
Planning appeal
Appeal a refusal
- Fixed price
Daylight & sunlight report
Impact assessment for planning
- Legal requirement
- Fixed price
Building control inspection
Plans check, inspections, completion certificate
- Legal requirement
Structural calculations
Beams, walls removed, loft floors