How much to fix mould on bathroom tiling?

We've got mould growing in the grout between tiles in the shower enclosure. Some of it looks deep-set. Is this a job for a tiler to re-grout, or does the tile need to come off?

Asked by minesh on 5th Apr 2026
Expert Trade Answers
"Hi Minesh. The mould is probably due to poor air circulation in the enclosure. You can remove the grout and regrout but this may not solve the issue. To really get the issue resolved you would need a tiler to come round and investigate. The best scenario would be for a re tile and then use epoxy grout."
Answered on 5th Apr 2026 - Member since May 2025 - report
"Generally the mould can be irradiated by spraying with Dettol ‘ mould & mildew’ it comes in a green spray….. spray it on leave for 5mins and then wash off …. Some wiping may be required … repeat if necessary ."
Answered on 5th Apr 2026 - Member since Sep 2023 - report
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