
£550/session
£50/session
£59/session
from £80/hour
Surrey's mix of woodland and damp winters means moss and algae build up quickly on roofs around Knaphill. Left alone, this growth traps moisture against tiles and slate, which can shorten the life of a roof and lead to costly repairs. A roof cleaner uses roof softwashing, a gentle low-pressure method with biocide treatment, to lift moss without damaging the surface underneath.
Roof cleaning prices vary depending on the size of the roof and how easy it is to access. Most jobs in Knaphill fall between £400 and £1,000, and a full steam clean will usually cost more than a manual scrape and biocide treatment.
Many roof cleaners based in Knaphill also work across Guildford, Addlestone, Weybridge and Ashtead, so you're likely to find someone who already knows the local roof types well. Getting a few quotes through Bark makes it easy to compare prices and reviews before booking.
Bark's data suggests a roof clean in Knaphill typically costs £400 to £1,000 per job, working out at roughly £8.50 to £14 per square metre. The exact price depends on the size of your roof, how easy it is to access, and whether you go for a manual scrape and biocide treatment or a full steam clean.