By RenoWorks Hampshire · Published 28/10/2026
Investigate existing problems first
Record leaks, recurring mould, slow drainage, loose tiles and movement in the floor before selecting fittings. An attractive new layout should not bury an unresolved defect. Stop for professional advice on electrical, structural or hazardous material concerns; do not lift unknown flooring or open walls speculatively. Arrange a survey that considers the actual building and the people who will use the room.
Test the layout with real dimensions
Use the intended bath, tray, WC and basin dimensions rather than generic symbols. Check door opening, cleaning access and space to step out of the shower. Consider storage, towel reach and future accessibility. Ask the installer to assess drainage routes, water provision and ventilation before confirming the layout. Moving a fitting may involve work beneath the finished surface that is not apparent in a showroom sketch.
Specify the whole wet-area system
Ask who is responsible for the background, waterproofing, junctions and penetrations, and request a coordinated system appropriate to the installation. Tiles and grout alone should not be treated as the entire waterproofing design. Ensure the specified products are compatible and that their installation instructions can be followed. Resolve tricky details around trays, windows and niches before ordering finishes, not after tiling reaches the corner.
Agree the programme and responsibilities
The schedule should allow for preparation, any necessary drying, specialist service work, waterproofing checks, fitting and finishing. Identify who checks delivered sanitaryware for damage and who resolves missing parts. Have an alternative washing arrangement if this is the only bathroom. Ask about building regulations requirements for the actual scope in England. Electrical installation and ventilation work must be planned by appropriately competent trades, not treated as decorative add-ons.
Make handover practical
Request care instructions for stone, tile, brassware and seals, plus certificates or commissioning records where applicable. Have the installer demonstrate accessible controls and explain maintenance access. Check visible joints and finishes with good lighting, recording snags clearly. Observe the room during ordinary use after completion and report leaks promptly. Keep the product schedule; identifying a cartridge or matching tile later is easier with model numbers and spare materials.
Related questions
Can I choose tiles after installation starts?
Late changes can alter thicknesses, trims, quantities, adhesives and lead times. Agree the tile and installation specification before work that depends on it, and approve changes in writing.
Will opening the window replace a ventilation plan?
Do not assume so. The room and proposed work need an appropriate ventilation assessment. Ask the installer to explain the intended system and any building regulations requirements.
Further reading
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