As the appointment is for installation of a new line/socket somebody would need to be present. Unfortunately although you've added a note that you're not available until after 5pm, this isn't something we can book with Openreach as the appointment slots are 1pm-6pm so would need someone available for the whole timeslot.
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Former Plusnet Staff member. Posts after 31st Jan 2020 are not on behalf of Plusnet.