Bathroom window prices · 2026
Bathroom Window Replacement Cost UK
Bathroom windows are often smaller than living-room windows, but privacy glass, opening style and access still matter. A small standard uPVC replacement is a useful baseline before allowing for any specialist glass or unusual opening condition.
Quick price answer: A small white double-glazed uPVC window in the current calculator centres around £397 fitted at the UK-average setting, with a broad model range of roughly £282–£512.
Current price examples
These are practical market or calculator benchmarks, not binding installer quotations. Exact dimensions, specification, access and opening condition can move the final price.
Privacy glass can change the specification
Many bathrooms use obscure or patterned glass. The standard calculator does not apply a separate obscure-glass premium, so treat the base window figure as a starting point and confirm the privacy-glass specification in installer quotes.
Safety and access still matter
Safety glazing can be required in certain critical locations, such as low-level glazing or glazing near doors. Upper-floor access, damaged reveals or unusual tiling around the opening can also affect the real installation cost.
What the fitted estimate includes: window supply, standard replacement fitting, normal removal/basic making good and ordinary 20% VAT. It does not automatically include scaffolding, major tile repairs or hidden structural work.
Related price guides
Compare the closest related costs, then use the calculator for your own specification.
Questions people ask
How much does a bathroom window cost to replace?
A small standard white uPVC replacement currently centres around £397 fitted in the calculator, before any unusual access or specialist glass allowance.
Does privacy glass cost more?
It can. Obscure or decorative privacy glass may carry a premium depending on pattern, pane size and supplier.
Does the price include fitting?
Yes. The calculator is designed around supply plus standard replacement installation and VAT.
Price your bathroom window specification.
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