It is impossible to work out the exact costs at this time. Fuel bills are likely to be reduced as the homes will be built to higher modern insulation standards.The Council tax band that a property is in is not set by the Council but by the Inland Revenue.It is likely that the new homes will be in a higher Council tax band. All new homes have to have a water meter fitted, and use of water will also be reduced by low usage taps, showers and toilets.
Does this answer your questions? If not get in touch