Difficulty Level: Moderate Time Required: 1–2 hours Estimated Cost: £8–£15 Over time, water exposure, daily moisture, and harsh cleaning chemicals degrade the grout lines between kitchen and bathroom tiles. Cracked, crumbly, or mould-stained grout looks unsightly and allows water to seep behind tiles, causing hidden damp and loosened plasterboard. Regrouting does not require re-tiling the…