UK unit rates have risen 28% in six months, according to Darren Grimes, underscoring mounting pressure on household costs. July prices climbed 13%, including a

UK unit rates have risen 28% in six months, according to Darren Grimes, underscoring mounting pressure on household costs. July prices climbed 13%, including a 4% one-day jump, despite a VAT cut; critics point to levies and renewables policy.