You'll almost certainly be getting BT FTTH in the next year or two if you have access to VM. The program is running quickly, something like 6 million premises a year and ramping.

VM can be ok or can be congested depending on the area. BT FTTH doesn't suffer from congestion issues (nor does the FTTC).

Check https://bidb.uk/ for more information. It collates all the altnets and planned roadworks into one dashboard.