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    Plumbing
    Updated
    Last updated: 30 June 2026

    Stud walls and pipework planning

    What to know about hiding pipes, frame depths, and future access.

    At a glance

    4 min read
    Best for: Homeowners understanding plumbing requirements
    Key risk: Building walls without planning pipe routes
    Key takeaway: Understand what frame depth do we need for the planned pipework.

    Quick Checklist

    Key points at a glance

    • 1Plan pipe routes before building walls
    • 2Use appropriate frame depth for pipes
    • 3Include access panels where needed
    • 4Consider acoustic insulation
    • 5Document pipe locations for future

    Questions to ask your installer

    Take these to your next conversation with your fitter

    • 1What frame depth do we need for the planned pipework?
    • 2Where will access panels be positioned?
    • 3How will wall-hung items be supported?
    • 4Will there be any sound transmission from pipes?
    • 5Can you document pipe locations for future reference?
    • 6Is there room for future changes if needed?

    💡 Tip: A good installer will welcome these questions. If they dismiss them, that's a red flag.

    💡Myth vs Reality

    Common Myth

    "Any carpenter can build bathroom walls"

    The Reality

    Bathroom stud walls need specific depths and noggins. Plan with the plumber first.

    Common Myth

    "Once walls are built, pipe routes are fixed"

    The Reality

    It's possible to alter routes but much harder and more expensive. Plan properly first.

    What to look for

    • •Frame depth adequate for waste pipes and supplies
    • •Access points for valves and connections
    • •Sound insulation between pipes and wall boards
    • •Suitable noggins for heavy items like basins

    Common mistakes

    • •Building walls without planning pipe routes
    • •Frames too shallow for waste pipes
    • •No access for isolation valves
    • •Forgetting noggins for wall-hung items

    Quality considerations

    • •Deeper frames give more flexibility for pipework routes
    • •Quality installations include proper clip support for pipes
    • •Good planning prevents costly changes mid-installation
    • •Photos of pipe locations are invaluable for future work

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    This guide is written to help you make informed decisions, not to sell you anything. Always discuss your specific situation with a qualified installer.