
£295/session
Damp conditions in Gwynedd mean moss and algae can take hold on roofs faster than in drier parts of the country. A roof cleaner in Caernarfon can strip this back and leave tiles or slates looking noticeably better.
A softwash is usually preferred over a straightforward pressure wash, since it's gentler on older roof coverings.
Bark's data suggests roof cleaning in Caernarfon costs £400 to £1,000 per job, roughly £8.50 to £14 per square metre. The total depends on roof size, access, and whether it is a manual scrape and biocide treatment or a full steam clean.
Roof cleaners working in Caernarfon also take on jobs in Bangor, so if you want to compare a few roof cleaning prices before booking, there are options nearby.
Bark's data suggests roof cleaning in Caernarfon costs £400 to £1,000 per job, roughly £8.50 to £14 per square metre, with the total shaped by roof size, access, and whether it is a manual scrape and biocide treatment or a full steam clean.