Custom Parts

Precision-Made Components for Lighting, Restoration & Product Design

At John Moncrieff Ltd, we manufacture both custom glass parts and custom metal components for lighting fixtures, product development, and restoration projects. From one-off replacements to large-scale production runs, we supply high-quality parts crafted to your exact specifications.

Whether you're restoring heritage lighting, prototyping a new design, or sourcing bespoke components, we offer tailored solutions in glass and metal — backed by over 150 years of technical expertise and craftsmanship.

What We Can Custom-Make

  • Glass collars, caps, diffusers, tubes, chimneys, sleeves
  • Metal galleries, brackets, fittings, arms, and decorative elements
  • Lighting inserts and hardware combinations
  • Reproductions of discontinued or vintage lighting parts
  • Hybrid assemblies combining glass and metal

Why Choose John Moncrieff?

  • Full Material Capability: We work in both glass and metal to produce matching or integrated components.
  • Tailored Production: Provide a drawing, photo, or sample — and we’ll produce it to spec.
  • Scalable Manufacturing: Suitable for single replacements or full product lines.
  • Finishing Options: Glass finishes include clear, opal, ribbed, frosted, and coloured; metal options include brass, bronze, blackened, and custom plating.
  • Heritage to Modern: We support both traditional reproduction and innovative design projects.

Applications Include:

  • Lighting restorations (vintage, industrial, decorative)
  • Custom lighting manufacture
  • Architectural and interior design features
  • Prototyping and new product development
  • Commercial and hospitality lighting solutions

The Process

  • Step 1: Share your idea, sketch, or part sample
  • Step 2: Receive a tailored quote and lead time
  • Step 3: Prototype, test fit, or approve as needed
  • Step 4: Production and delivery

Let’s Build the Part You Need

Tell us what you're working on — whether glass, metal, or both — and we’ll help bring your lighting design to life.