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Manufacturing & Offsite Production

Window and Door Fitter

The window and door fitter installs windows, doors, and related fittings into homes, buildings, and modular units, making sure they are safe, weatherproof, and fitted correctly.

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Building inspector in hard hat and overalls checking a hallway with clipboard.

Role overview

Job Title

Window and Door Fitter

Purpose Of The Role

The window and door fitter installs windows, doors, and related fittings into homes, buildings, and modular units, making sure they are safe, weatherproof, and fitted correctly.

Role In MMC

Window and door fitters are essential in both traditional and MMC settings. In modern methods, they often work on pre-fabricated panels, modular units, or volumetric pods. Their work ensures airtightness, insulation, and energy efficiency are maintained — key to the success of low-carbon and high-performance builds. Precision installation supports digital construction, smart building systems, and passive house standards.

Knowledge & Skills

The area of Modern Methods of Construction is continuously expanding with many transferable skillsets.

Fundamental Skills

Basic essential skills

  • Attention to Detail
  • Technical Skills
  • Technical Drawing Interpretation

Additional MMC Skills

Specialised MMC skills

  • Manufacturing & Assembly
  • Sustainable Construction
  • Automation & Robotics

Universal Skills

Transferable or soft skills

  • Safety & Compliance
  • Teamwork
  • Communication & Collaboration

Suggested Entry Routes

Experience

  • Experience in general construction, glazing, joinery, or carpentry.
  • Work with home improvement, maintenance, or fitting companies.

Education

  • Junior Certificate or Leaving Certificate (no specific subject required, but construction studies or woodwork is helpful).
  • Post-Leaving Certificate course in Construction, Wood Technology, or related area (optional).

Training & Certifications

  • On-the-job training under an experienced fitter.
  • Trade-specific training through employer, ETB, or specialist suppliers.
  • Safe Pass (mandatory).
  • Manual Handling Certificate.
  • Working at Height (especially for high-level installations).
  • MEWP (Mobile Elevated Work Platform), if relevant.

I'm interested in career pathways for...

Craft Workers / Technician

Window and Door Fitter

The window and door fitter installs windows, doors, and related fittings into homes, buildings, and modular units, making sure they are safe, weatherproof, and fitted correctly.

Craft Workers / Technician

Carpentry Technician

The Carpentry Technician is responsible for constructing, erecting, installing, or repairing structures and fixtures made of wood and comparable materials. This can include, concrete forms; building frameworks, including partitions, joists, studding, and rafters; and wood stairways, window and door frames, and hardwood floors. Carpentry Technicians may also install cabinets, siding, drywall, and batt or roll insulation, or perform other related tasks in an offsite context

Craft Workers / Technician

Window and Door Fitter

The window and door fitter installs windows, doors, and related fittings into homes, buildings, and modular units, making sure they are safe, weatherproof, and fitted correctly.