Gutters should ideally be cleaned annually to protect your property from water damage.
Your gutters definitely need clearing if you can see moss, grass or other debris in your guttering from ground level
Your gutters probably need clearing if:
- They have not be cleaned for 12 months or longer
- Your gutters overflow when it rains
- You have damp or mildew on your internal walls
- You have salt deposits on your external brickwork