Have you checked that there is an available fibre intake point in your new office?
Have you checked that there is provider redundancy available?
Have you checked existing wayleave agreements?
Have you asked your landlord about their wayleave policy?
Have you prepared an IP justification form if you require multiple IPs for your new connection?
Have you located the fibre intake point?
Have you scheduled access to service areas for surveyors and engineers?
Have you identified an acceptable fibre cabling route up to your floor (if required)?
Have you identified an interim solution for connectivity in case your provider is unable to deliver on time?
Have you identified any subsidies or vouchers which may be available?