Complete bathroom planning checklist.

Space assessment

Start with accurate measurements and structural assessment.

Key considerations

• Measure length, width, and height of the bathroom space.
• Record positions of windows, doors, and architectural features.
• Note existing fixture locations and their condition.
• Check floor levels and wall plumbness with a spirit level.
• Identify any structural elements like beams or columns.
• Document any damp issues or ventilation problems.

Plumbing requirements

Understand your water supply and waste arrangements before planning fixture positions.

Key considerations

• Locate incoming water supply and identify pipe sizes.
• Map existing hot and cold water connections.
• Identify soil pipe location and any branch connections.
• Check water pressure and flow rate during peak times.
• Consider if you want to relocate the toilet position.
• Plan for additional fixtures like bidets or second basins.

Electrical planning

Plan your electrical requirements including lighting, ventilation, and heating.

Key considerations

• Assess existing lighting and identify improvement opportunities.
• Plan for adequate task lighting around mirrors and work areas.
• Consider extractor fan requirements and positioning.
• Plan for heated towel rail or underfloor heating connections.
• Identify any additional power requirements.
• Ensure all electrical work will comply with bathroom zones.

Ventilation & safety

Ensure your bathroom will be safe, comfortable, and free from condensation issues.

Key considerations

• Plan adequate ventilation to prevent condensation and mould.
• Consider mechanical ventilation if natural ventilation is insufficient.
• Choose appropriate IP-rated electrical fixtures for bathroom zones.
• Plan non-slip flooring, especially in wet areas.
• Consider grab rail positions for safety and future-proofing.
• Ensure adequate lighting for safe navigation.