Separate FTTP broadband and mobile phone accounts maybe the solution where FTTP is currently available. Especially so if retaining a landline number is not vital. Choice really depends upon the availability of FTTP, mobile signal and the needs for retaining a current landline number - which are things you are probably aware of.
I will add though, if you are not aware, that Openreach will increase line rental charges in stages up to 100% next year
https://www.openreach.com/news/openreach-announces-p... and this will probably be of concern for users who currently have bundled FTTC broadband and PTSN voice on one month minimum terms.
Obviously costs also come into the equation together with, i.e. the possible needs for a router, ATA (Analog Telephone Adapter), UPS (Uninterruptible Power Supply), etc.
Personally I've gone for FTTP broardband and my landline number redirected (for incoming calls only) to my mobile phone, both on one month minimum terms. I want to keep the old landline number active for a while longer. However I had separate accounts for FTTP broadband and PTSN voice so porting the landline number did not cease the broadband service.
I hope things work out satisfactorily for you and your neighbour - good luck.
Edited by 4M2 (Wed 17-Dec-25 20:56:39)