Hi Luke,
Welcome to
nthellworld.co.uk 
When you said you have checked online does that mean the online postcode checker?
If you have checked the house and it appears to be cabled then there should be no issues regarding installation.
Have ntl got back to you today? Sometimes they say they will but don't always, in anycase, I hope they can install your services in your new home, come back and let us have an update. Thanks.
