A tariff with specific terms applying to the contract conditions. Usually these lock-in a price for a fixed period, amongst other services.
A tariff where the price per kWh for gas/electricity will not change for a set period of time.
A tariff with a fixed end date.
The pipe carrying the hot water flow leaving an installation.
Those households who need to spend more than 10 per cent of their annual income on fuel to maintain an adequately heated home are considered to be in fuel poverty.