A dirty chimney can start a house fire, and potentially render house insurance invalid if homeowners haven't kept up with the amount of suggested cleans in the insurance policy. Home owners with fireplaces were just starting to call in their local chimney sweep at this time of year. Nelson GD Cleaning owner David Reddecliffe had been in the professional chimney sweep business for five years. April was the peak time for people wanting chimneys cleaned, he said, with appointments booking out 10 weeks in advance. They said to ensure your chimney "doesn't have any build-up that may cause loss or damage as a result of poor maintenance, it's best to have your chimney swept regularly".
Source: Stuff February 23, 2020 16:52 UTC