Kiwis flying out of the United Kingdom face hefty fare increases after an increase in British departure taxes that could cost up to $355.

Tourism NZ has slammed a 55 per cent increase in the flight tax tourists from the United Kingdom will have to pay to fly to our shores.

A backlash against big spikes in departure tax for people travelling on long-haul flights from Britain has gone global.

Hundreds of thousands of households have been charged the higher rate of GST for goods supplied before the GST rise took place.

Fairfax Media has been issued a formal warning by the Commerce Commission after it claimed the GST rate hike was behind its Dominion Post cover price increase.

Prices on some household items have risen more than double the cost of yesterday's GST increase - despite many retailers choosing to take a hit.

All you need to know about tomorrow's GST hike

Retailers are walking a tightrope between driving away customers and bearing heavier GST costs from tomorrow.

The average family will be about $18 a week better off from Friday - but the experts advise not to go and spend it.

Most Kiwis will get more money in their pockets from Friday, when the Government's tax cuts take effect.

Auckland property developer David Henderson is seeking approval for a plan to pay his creditors in a bid to avert bankruptcy.

Unsuspecting investors face paying thousands of dollars more on deals settled on or after October 1, as developers share the tax hike burden.