Whether you’ve been enjoying or enduring the summer heatwave, running that new air-con unit has just got a whole lot more expensive.

For millions of people across England, Scotland and Wales the cost of household energy has soared by 13% from the 1 July – following the latest rise in the energy price cap.

The war in Iran is largely to blame, thanks to the closure of the Strait of Hormuz and subsequent spike in oil and gas prices.

But Donald Trump’s military action began at the end of February, so why are we only beginning to feel the impact now? How long will the current high prices persist and are there any tricks for reducing those domestic bills?

Mhari Aurora is joined by Sky’s business news reporter James Sillars.

Have you got a question for the podcast? Email us: why@sky.uk

Every prime minister promises ambitious plans to build new homes – every prime minister in more than half a century has failed. Andy Burnham says he’ll be different.

The former Manchester mayor is on the verge of becoming the new tenant in Number 10 and wants to oversee the biggest council house construction programme since the post-war boom.

But you have to go back to 1970 for the last time any government fulfilled its housebuilding target. So why is Mr Burnham so sure he can succeed where his predecessors have failed?

Mhari Aurora speaks to David Byers, deputy property editor at The Times and Sunday Times.

Have you got a question for the podcast? Email us: why@sky.uk

Drones in, destroyers out. The Royal Navy looks set to be the biggest losers when the Defence Investment Plan is finally published.

Instead of building a new fleet of state-of-the-art warships, we will have to rely on cheaper ‘common combat vessels’ to serve as hubs for a hybrid response to the threat from Russia.

How will the change in military spending be received when Sir Keir Starmer makes his international swansong as prime minister at the NATO summit? And could he really be the next NATO secretary general, despite a mixed record on defence readiness?

Mhari Aurora speaks to Sky’s security and defence editor Deborah Haynes.

Have you got a question for the podcast? Email us: why@sky.uk