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£295/session
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from £50/hour
Dark streaks and green patches on a roof are usually algae and moss, and once established they hold moisture against the tiles rather than letting it drain. A roof cleaner will typically remove this build-up using either a manual scrape and biocide treatment or a full steam clean, depending on how bad it's got.
Fascia and soffit cleaning is a standard part of most roof cleaning jobs, since they gather similar grime to the tiles. Clearing debris from inside the gutters themselves is usually a separate task, though it's worth asking for a combined quote if you need both done.
A typical house roof takes a professional crew around a day to complete. Roof cleaners working in Holywell also generally cover Flint, Deeside, Mold and Hawarden, so compare a few quotes on Bark first.
Bark's data suggests roof cleaning in Holywell typically costs £400 to £1,000 per job, roughly £8.50 to £14 per square metre. Price depends on your roof's size and access, and whether it's a manual scrape and biocide treatment or a full steam clean.