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Birds in ceiling, nest in gutter

Hiya, I beleive there is a birds nest in our gutter, we have very recently heard birds walking around and chirping in the ceiling. The house is two story so the gutter is hard for us to access without the right equipment. There is a ceiling hatch to access the ceiling from inside. Can we please have help getting rid of the birds and nest and guarding the gutter and finding the whole where they got in to stop it happening again. Thanks!