Residents of seven high rises across Low Fell and Gateshead town centre will face higher energy bills.
The news comes after their supplier, Gateshead Council, approved tariff hikes.
Occupants of Barford, Stretford, Ripley, Willbery, Acomb, Bedale, Barford and Stretford Courts will see their heating bill jump from an average annual cost of £415 to £457. Residents of Regent Court will see their average heating bills hiked from £466 to £599 per annum.