London’s risk from rising temperatures

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Discussion | Coping with hot weather in London

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The summer of 2022 saw temperatures above 40°C, the highest ever recorded in England. Climate change could bring hotter, drier summers in London, with longer, more intense heatwaves.

City Hall’s Climate Adaptation team wants to hear your experience to help inform London’s first Heat Risk Delivery Plan. 

Join the conversation 

 Thinking back to the heatwave of 2022: 

  • How did you cope with the heat in London?  
  • What helped you stay cool at home or while you were out and about? 
  • What made it better, and what made it worse?  

Thinking of this summer:  

  • What, if anything, are you doing differently to cope with the heat in London? 
  • What, if anything, does London need to help you cope with the heat? 

Please share as much detail as you can. Eleanor and Annette from City Hall’s Climate Adaptation team will be reading your comments and joining in.  

About the action plan

The London Heat Risk Delivery Plan will set out the roles and responsibilities our city needs to manage heat risk. The recommendation for this action plan came out of last year’s London Climate Resilience Review.  

Between March and September 2025, Londoners and stakeholders are invited to help inform the action plan. Read more on our background page.

 

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Comments (509)

Avatar for -

Increased green infrastructure is key. SuDS, tree planting, depaving pointless concrete areas, green roofs and walls, etc. Trees offer invaluable refuge and cool the air against the brutal heat in cities. Also, as a regular year-round lido...

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Increased green infrastructure is key. SuDS, tree planting, depaving pointless concrete areas, green roofs and walls, etc. Trees offer invaluable refuge and cool the air against the brutal heat in cities. Also, as a regular year-round lido user I'd love to see investment in more quality 50m pools. They are great for mental and physical well-being and offer a rare way to cope in the intense heat.  

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Avatar for - Vaquita

Why do TFL not have a mandatory tree planting programme for red routes in and around London already? We have been raising this with TFL for many years but our requests have been ignored year after year.

Avatar for - Rhino

We need to stop making such a big deal of the heat. Air Con on tubes would be great though. 

The climate crisis is real, and needs to be fixed at source with the Net Zero transition. We don't need City Hall funding community events, or...

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We need to stop making such a big deal of the heat. Air Con on tubes would be great though. 

The climate crisis is real, and needs to be fixed at source with the Net Zero transition. We don't need City Hall funding community events, or running advertising campaigns about carrying water. Our bodies tell us when we are hot. 

I would rather the money is spent on more police so that when the weather is hot, and we go to the park, or head to a blue space, that we feel safe doing so. Not at risk of having our phones stolen or our women at risk of sexual abuse. 

If you want people to use public spaces better to cope with the heat, make them safe spaces - not in a woke way - in a literal way. More police presence etc. 

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Avatar for - Monarch butterfly

I agree on FUNCTIONIGAir con on Tubes and buses.

Avatar for - Polar bear

We used to live in a conservation zone, Victorian terrace where you couldn’t get permission to alter the facade. We would have happily added external shutters to keep the heat out. Making sure these initiatives can actually happen would be...

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We used to live in a conservation zone, Victorian terrace where you couldn’t get permission to alter the facade. We would have happily added external shutters to keep the heat out. Making sure these initiatives can actually happen would be a great idea. Our current house was built in 1983 - it’s better insulated, double glazed etc; so much more resilient in the heat. But again, in a conservation area necessary external changes may be hard. In 2022 we closed curtains & windows in the day etc. we have solar panels now but would like to do more - making these initiatives more affordable is key (we don’t have any more money to undertake them !).

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Avatar for - Adelie penguin

July 2022 we shut the curtains, windows and doors.  With a 1926 solid wall bungalow that worked but not on the Tuesday when the temperature was 40 degrees

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July 2022 we shut the curtains, windows and doors.  With a 1926 solid wall bungalow that worked but not on the Tuesday when the temperature was 40 degrees

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Avatar for - Sumatran elephant

I have a baby and toddler. We wait during cold winter months for warm sunny days where we're no longer cooped up inside. Now our summers are a few nice sunny days with bursts of heatwaves. it's manageable in the park if there's a breeze and...

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I have a baby and toddler. We wait during cold winter months for warm sunny days where we're no longer cooped up inside. Now our summers are a few nice sunny days with bursts of heatwaves. it's manageable in the park if there's a breeze and a lot of trees but deadly on a bus and walking along dead urban zones. Dead zones = all concrete, no flora fauna, where the sun hits the pavement and makes it feel hotter than it already is! Just terrible. It's dangerous for the children and breastfeeding mothers like myself. I'm constantly pushing water on myself and children and still get headaches from dehydration.

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Avatar for - American pika

22 is too far back to remember clearly. August has often been unpleasanantly humid/hot but now it goes on longer.

Avatar for - Amur leopard

The government know the answer, we need to adopt the idea of having air conditioning in schools, all trains/tubes/buses and homes like in the USA, Asia and Australia. 

They are beating around the bush instead of creating an investment plan...

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The government know the answer, we need to adopt the idea of having air conditioning in schools, all trains/tubes/buses and homes like in the USA, Asia and Australia. 

They are beating around the bush instead of creating an investment plan for country wide air conditioning 

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Avatar for - Atlantic cod

london is seriously lacking outdoor swimming pools. there needs to be lidos, rooftop pools, swim safe lakes easily accessible to everyone. water misting is also a good idea outside of train/tube stations so when people come out of the tube...

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london is seriously lacking outdoor swimming pools. there needs to be lidos, rooftop pools, swim safe lakes easily accessible to everyone. water misting is also a good idea outside of train/tube stations so when people come out of the tube that instant relief is right there along with cold drinking water. also all public transport needs to have good, working air conditioning, because at the moment only elizabeth line and a few commuter trains are up to par

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Avatar for - American pika

It says “add comment” but what about and what is the context? It all seems rather sad, or it’s been designed by a 20-something. Remember that us oldies grew up with pen and paper.

Avatar for - American pika

Sadiq’s survey is a muddle and anyway where is it going? 

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Sadiq’s survey is a muddle and anyway where is it going? 

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Avatar for - Sumatran elephant

I would advice and suggest an AGILE SOLUTIONS in Harnessing Heat Wave Energy to improve the London Heat Wave Challenges and Cooling Hubs Stations around London and the use of London Buses, and firstly, to the Mayor of London to ground all...

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I would advice and suggest an AGILE SOLUTIONS in Harnessing Heat Wave Energy to improve the London Heat Wave Challenges and Cooling Hubs Stations around London and the use of London Buses, and firstly, to the Mayor of London to ground all old London Buses without Air Condition and introduce Eco-London Buses with Air Condition across London and also invest in improving the Underground Cooling System to cool the Trains as the Heat Wave is an Energy that could be harness and used to power the Cooling Generators for the Underground Network. Moreover, the London Buses could be upgraded to Air Condition fitted buses and with a Solar Cells at the Root Top of the London Buses as in this way the Heat Wave Energy (HWE) could be locked by the Solar Cells on the outer roof top of the Buses that would help to be Zero Emission and being able to harness the HWE which is a free energy for London such as using Mother Nature to Cool itself while commutting London. The HWE is a free sources of Greener Energy and could be Tap by the use of All London Busess and the Grid Enriched by this Methodology of Infrastructure Ideal and HWE is the Future for London. And the Government could also invest and build Cooling Hubs around London by using HWE to improve the effeciency of Cooling Human Ecological Habitation. HWE is the Future and is Free Every where from God. The HWE is a recycling of Free Heat Energy from Nature and harness by the HWE Infrastructure which the Solar Cell has a way of converting Heat Wave Energy to Electrical as DC Current to a coverter Unit for AC Current to power the Cooling Hubs and DC Current for Powering London Buses Air Condition Units that would help to ICE COOL the London Buses and this is POSSIBLE for the Technologies Available today in the 21st Century. Lastly HWE via Solar Cells to DC Current and to AC Current and if less of HWE then Hydrogen Cell is another alternative from H2O Water to improvement backup PLANS. 

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Avatar for - American pika

It’s too late to ask most people in 2025 about 2022 events.

Avatar for - Polar bear

the 2022 event is only going to get worse...

Avatar for - American pika

I can only remember going down to the cellar of a house in France. Here in London we will haveclosed all curtains and windows.

Avatar for - Amur leopard

Plant and maintain more trees wherever there is space.

Avatar for - Amur leopard

We are trying to take exercise or do heavy work, e g gardening, early mornings when it is cooler; we spend the hotter parts of the day in our coolest space, sometimes with curtains drawn.

 

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We are trying to take exercise or do heavy work, e g gardening, early mornings when it is cooler; we spend the hotter parts of the day in our coolest space, sometimes with curtains drawn.

 

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Avatar for - Staghorn coral

Have all the buses whether small or double deckers air condition fitted and also in the winter have heating in those buses, and make all the buses complaints section visible for the public because most of my local buses have cold air coming...

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Have all the buses whether small or double deckers air condition fitted and also in the winter have heating in those buses, and make all the buses complaints section visible for the public because most of my local buses have cold air coming out in the winter and when asked the drivers say the drivers reply that they can’t switch the cold air off which makes passengers even more cold in the bus.

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Avatar for - Sea turtle

Ban cars

Avatar for - Monarch butterfly

If Uber got removed from London's streets, traffic would halve

Avatar for - Saola

In Seoul, South Korea they have huge green parasols hanging above pavements near pedestrian crossings (in spots where people wait for the green signal to cross the road). The parasols are extremely helpful to provide shading during hot...

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In Seoul, South Korea they have huge green parasols hanging above pavements near pedestrian crossings (in spots where people wait for the green signal to cross the road). The parasols are extremely helpful to provide shading during hot, sunny weather and also to provide cover during the rain, and encourage people to wait until the green pedestrian signal rather than running to cross the road when it is rainy, therefore improving road safety too.

 

Seoul also has water misting arches in various locations, and the cool mist is making the hot weather more bearable.

 

And Seoul also has air-conditioned bus shelters near some bus stops (it is a completely enclosed bus shelter with a television screen, Wi-Fi signal and an enclosed air conditioned booth with capacity for several people. This might be an overkill for London since the temperatures are not as high yet, but in hot cities this encourages people to use the buses even in hot weather, instead of relying on air-conditioned cars

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Avatar for - Amur leopard

and, please, remove moquette from public transport. I understand it's a design icon but it isn't hygenic and it makes it all the more unbearable during summer. 

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and, please, remove moquette from public transport. I understand it's a design icon but it isn't hygenic and it makes it all the more unbearable during summer. 

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Timeline

STAGE: Evidence gathering

Launch of the London Climate Resilience Review

Happened

London’s changing climate

Happened
-

Londoners have responded 927 times

Find out more
STAGE: Programme launched

London Climate Resilience Review is published with a recommendation to create the London Heat Risk Delivery Plan

Happened
STAGE: You said, we did

Report on impacts of climate change published

Happened
Read our update
STAGE: Evidence gathering

London Heat Risk Delivery Plan programme launches

Happened
STAGE: Evidence gathering

March-September 2025: Stakeholder engagement to help inform the London Heat Risk Delivery Plan (including here on Talk London)

Happened

Shaping London's Heat Plan

Happening now
-

Londoners have responded 2399 times

Start the survey
STAGE: Programme design

September 2025 - March 2026: Drafting of the London Heat Risk Delivery Plan

Happened
STAGE: Programme launched

Spring 2026: Publication of the London Heat Risk Delivery Plan

Happened