Average Bathroom Renovation Costs
Most bathroom renovations fall into three pricing categories depending on size, layout changes, materials, and fixtures.
Basic Bathroom Renovation: $20,000 – $25,000
Mid‑Range Bathroom Renovation: $26,000 – $35,000
High‑End / Luxury Bathroom Renovation: $36,000 – $70,000+
These estimates typically include labour, materials, demolition, waterproofing, fixtures, and coordination of sub‑trades such as plumbing and electrical.
How long does a bathroom renovation take?
Most bathrooms take 2–4 weeks depending on scope, drying times, and sub‑trade availability.
Do I need consent for a bathroom renovation?
Consent is usually not required for like/like refurbishment unless structural changes or significant plumbing and waterproofing membrane alterations are made. We can advise on your specific project.
What Affects the Cost of a Bathroom Renovation
Several factors influence the final price of your renovation:
Bathroom Size
Larger bathrooms require more materials, waterproofing, tiling, and labour.
Layout Changes
Moving plumbing fixtures (toilet, shower, vanity) increases plumbing and building costs.
Materials & Finishes
Tiles, vanities, tapware, and fixtures range from budget to premium brands, affecting total cost significantly.
Waterproofing & Compliance
Professional waterproofing and building compliance are essential and should never be compromised.
Labour & Trades
Quality workmanship from licensed builders, plumbers, and electricians ensures durability and compliance with NZ Building Code.
How to Keep Your Bathroom Renovation on Budget
Keep plumbing fixtures in the same position where possible
Choose mid‑range fittings for the best value and durability
Use feature tiles in key areas instead of full wall tiling
Plan storage early to avoid custom cabinetry costs later
Allow a contingency for unforeseen issues such as rot or framing repairs