"Rude people"

Rude people. Don’t deal with them

"Do not use this company"

Do not use this company.
Their cleaning process worked well removing the moss but it also stripped the colour of the older tile leaving them crumbling and no longer water proof. Next gen declined to inspect their work as they thought the cleaning process was great. We are now left with a £17,000 bill to replace the roof and are seeking legal advice. @nxtgenexternals