Where money can't buy relief from heat

Even rich Londoners can't get AC |
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Today's newsletter looks at how rich Londoners are finding money can't buy air conditioning as temperatures soar in the UK capital. You can read and share the full version of this story on Bloomberg.com. For unlimited access to climate and energy news, please subscribe

Money doesn't buy everything

By Olivia Rudgard

In London, money can buy you many things – a $1,000 hotel room, an apartment overlooking Buckingham Palace, a £100-per-kilo steak – but not necessarily an air conditioner.

That's something the city's wealthy residents are finding as they increasingly seek climate-control in their homes. AC units used to be an infrequent request, says Richard Gill, director at the London-based architecture firm Paul Archer Design. But nowadays roughly 30% of his clients, who are largely from London's higher earners, including lawyers and finance professionals, want air conditioning. Not all of them are getting it.

Like those in many Northern Hemisphere cities, London's homes, whether they be a Victorian mansion or shiny newbuild apartment, are not well adapted to climate change. Hotter summers, including the UK's first 40C (104F) day in 2022, make homes with big south-facing windows, poor ventilation and little shading increasingly uncomfortable to live in. Hotter nights are a particular risk, and older people and young children in particular risk heat stress and long-term health problems if they are repeatedly losing sleep and unable to escape days of hot temperatures. 

As I found in my story published today, for Londoners, obstacles to getting AC units installed in their homes vary. There can be technical or aesthetic restrictions on attaching units to old buildings. Apartment-dwellers face an extra layer of bureaucracy through having to ask for permission from their building's owner. And sometimes, councils simply reject claims of overheating. One of Gill's clients, who was living in a 1920s home in Highgate, north London, had sought permission to install air conditioning back in 2022. The council blocked the request because it judged that the house wouldn't overheat. 

The client "would beg to differ," Gill said. "Plenty of my clients go, 'I understand Richard, it is a first world problem, but my kids can't sleep and I work long hours.'"

A quick scan of the websites of various London councils, which publish planning applications and decisions, show that Gill's clients aren't alone. Londoners have to show that their planned air conditioning unit isn't too noisy, won't look too ugly, and that there isn't anything else that could be done to keep their home cool without the power demand that an air conditioner adds to the grid. Restrictions prevent or delay installations in 30% to 40% of residential dwellings, according to the north London company Airconco.

Some restrictions on installing AC units are slowly being relaxed. For example, the UK government this year added air-to-air heat pumps — air conditioning units that can both heat and cool — to a list of building work that can be done without asking for permission. And the government is considering adding air-to-air systems to a subsidy program designed to make heat pumps more accessible, in the interest of helping Britain reach its net zero goals. But the restrictions on protected buildings and for apartments will largely remain.

Demand for air conditioning is on the rise across Europe. "We are used to having the heating mindset," says Simon Pezzutto, a senior researcher at the research center Eurac. "But now with climate change, we need to switch to the cooling mindset — and most cities in northern Europe are not prepared for that."

Read the full story on Bloomberg.com. 

Still a rarity 

5%
 A 2022 government estimate indicated that less than this percentage of British households have air conditioning.

Stifling growth

"We're now living in the era of climate consequences. Protecting London's economy from extreme weather events is a matter of national economic security."
Emma Howard Boyd
Former chair of the UK's Environment Agency
Britain, whose transport and buildings were the envy of the world, is increasingly unable to protect its people from extreme weather, experts say.

More from Green

Four major heat waves, dry conditions and strong winds have turned Europe into a tinderbox this summer, fueling the most destructive wildfire season in nearly two decades.

Blazes have scorched about 8,948 square kilometers (3,455 square miles) across the European Union in 2025 — more land than in any year since 2006, according to new satellite estimates from the Copernicus space program.

Fire activity has surged in recent weeks as another blast of unseasonable heat sapped the last moisture from Europe's fields and forests, leaving them primed to ignite. Deadly, wind-whipped blazes have flared from Portugal and Spain to Greece and Albania. Researchers say climate change is making Europe's summers hotter, drier and more dangerous — and the continent is warming faster than any other in the world.

Read the full story on Bloomberg.com. 

Japan plans to raise $1.5 billion over the next three years for impact investing in Africa aimed at curbing the continent's greenhouse gas emissions and supporting sustainable growth. 

South Africa's Eskom Holdings SOC Ltd. called for proposals from large power users to buy solar energy, in a step by the utility to wind down its dependence on coal.

China's coal and gas consumption is lower this year despite a sweltering July, signaling the nation's clean energy push is paying off.

Worth a listen

Electricity demand is soaring, and some think the answer isn't building bigger, but smaller. That's the idea behind small modular reactors (SMRs): shrink a large and hard-to-build reactor to something that is, in theory, more manageable, cheaper and easier to replicate. 

These are early days for SMRs, with only two in commercial operation in Russia and China. Can SMRs ever become a solution for our energy needs and climate goals? Nuclear scientist and venture capitalist Rachel Slaybaugh joins Akshat Rathi on Zero to discuss. 

Listen now, and subscribe on Apple, Spotify or YouTube to get new episodes of Zero every Thursday.

The moon above Sizewell B nuclear power station, operated by Electricite de France SA (EDF), in Sizewell, UK, on Aug. 11, 2025.  Photographer: Chris Ratcliffe/Bloomberg

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