London’s risk from rising temperatures
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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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Log into your accountthechrss
Community Member 1 day agolondon 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...
Show full commentlondon 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
Show less of commentRobert Sumerling
Community Member 1 day agoIt 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.
Robert Sumerling
Community Member 1 day agoSadiq’s survey is a muddle and anyway where is it going?
Show full commentSadiq’s survey is a muddle and anyway where is it going?
Show less of commentprince4londonc…
Community Member 1 day agoI 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...
Show full commentI 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.
Show less of commentRobert Sumerling
Community Member 1 day agoIt’s too late to ask most people in 2025 about 2022 events.
londongirlie12
Community Member 22 hours agothe 2022 event is only going to get worse...
Robert Sumerling
Community Member 1 day agoI can only remember going down to the cellar of a house in France. Here in London we will haveclosed all curtains and windows.
MJM
Community Member 1 day agoPlant and maintain more trees wherever there is space.
MJM
Community Member 1 day agoWe 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.
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.
byzroH-dixris-7zubji
Community Member 1 day agoHave 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...
Show full commentHave 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.
Show less of commenthhash
Community Member 1 day agoBan cars
keela319
Community Member 1 day agoIf Uber got removed from London's streets, traffic would halve
name345
Community Member 1 day agoIn 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...
Show full commentIn 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
Show less of commentvichiyo
Community Member 1 day agoand, 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.
Show full commentand, 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.
Show less of commentHirake
Community Member 1 day agoIt should be a legal requirement that anyone owning outside space must maintain it as or convert it back to uncovered/unpaved land allowing precipitation into the soil thus refilling the water table and avoiding run-off. Everyone should...
Show full commentIt should be a legal requirement that anyone owning outside space must maintain it as or convert it back to uncovered/unpaved land allowing precipitation into the soil thus refilling the water table and avoiding run-off. Everyone should collect roof run-off in water butts and such water used to flush toilets and water gardens. All public space should be paved with a material that allowed infiltration, or dug up and planted. All ugly buildings at least should be covered in vertical gardens. All land owners should be required to place potted plants wherever there is space not required for other uses such as emergency exits. Unused paved/tarmac'd/concreted land should be dug up and returned to nature.
Show less of commentCaro17
Community Member 1 day agoBrilliant ideas!
Show full commentBrilliant ideas!
Show less of commentvichiyo
Community Member 1 day agoNo mention of access to green spaces, subsidies to solar panels that can help reduce overall emissions and help with the city’s temperature. Paris has demonstrated that large cities can restrict vehicle traffic, improving the quality of the...
Show full commentNo mention of access to green spaces, subsidies to solar panels that can help reduce overall emissions and help with the city’s temperature. Paris has demonstrated that large cities can restrict vehicle traffic, improving the quality of the air, encouraging cycling and walking (i.e. exercise), and any additional heat that could be linked to vehicle traffic.
Show less of commentWhoo
Community Member 1 day agoI feel strongly that legislation is needed for outside workers in extreme heat. A family member works outside and so I know from his experience the toll this can take on mental and physical health. It seems outrageous that Climate Change is...
Show full commentI feel strongly that legislation is needed for outside workers in extreme heat. A family member works outside and so I know from his experience the toll this can take on mental and physical health. It seems outrageous that Climate Change is not a top priority. We are all experiencing the reality of these changes and I would like to see quicker action to remedy what we can. Green walls are one thing that wasn’t mentioned in the survey. My lounge today is 24.7 c with blinds drawn and a fan on. In some places ( such as South Korea) covered rivers have been revealed and I don’t know if this would be possible in London as a remedy.
Bus ventilation is desperately needed. Sitting on the route I use the most is almost unbearable on hot days. Also better communication with the public is needed when roadworks etc disrupt traffic. Local experience of this was gridlock situation in my local town and hardly any buses could get through. A journey which should have taken 45mins at the most took 2hours with buses being terminated before the end journey and very long wait s for replacement buses. I have arthritis and waiting in the heat along with people who had finished work made me realise how many people are disrupted by the heat and unreliable transport especially those with disabilities and wheelchair users. So in conclusion I think finding reasonable ways to cope and support people to cope with the challenges is of top priority.
I see that J D Vance is seeking to sanction all countries that support zero emissions! What a nightmare.
Show less of commentI am retired but try to exercise each day outside, to remain mobile, for the past 2 days the heat has kept me inside. I pity those who don’t have that option.
rozum2003
Community Member 1 day agoSo, in a survey about extreme heat, there’s nothing about… you know… actually cooling things down. Air conditioning? Nope. Especially in buses, where spending an hour feels like being slow-cooked. I’m sure museums and libraries wouldn’t...
Show full commentSo, in a survey about extreme heat, there’s nothing about… you know… actually cooling things down. Air conditioning? Nope. Especially in buses, where spending an hour feels like being slow-cooked. I’m sure museums and libraries wouldn’t mind a little cooling either.
And of course, public transport reliability - our favourite British weather bingo. Heatwave? Everything grinds to a halt. Cold snap? Same story. Heavy rain? You guessed it. Snow? Absolute Armageddon.
And then there’s SUDS - genuinely a great idea, worth implementing, even if it takes decades. But in the survey it’s presented as if it’s on the same level of urgency as… installing curtains, with absolutely zero explanation of what it is.
Show less of commentAlexK
Community Member 1 day agoAlso education about AC would be great cause if you open all the windows even on the few ones that have the AC on, it will go to waste. Many still do not know/understand that opening the small windows just makes overheats the A/C and makes...
Show full commentAlso education about AC would be great cause if you open all the windows even on the few ones that have the AC on, it will go to waste. Many still do not know/understand that opening the small windows just makes overheats the A/C and makes it pointless. An improvement on the transportation air conditioning would be amazing, I mean if they could do even in Rome which is not really the best in Transportation why can't we? sigh.
Show less of commentMorena
Community Member 1 day agoWhy so little mention of tree planting in the survey? Tree cover is a highly effective means of cooling city streets.
AlexK
Community Member 1 day agoThat was my same thought! I mean tree planting and shadow has been proven to be able to reduce the temperature by 3-4 degrees at least. Yet there was no mention of this....
rozum2003
Community Member 1 day agoI guess the plan is to look busy while doing as little as possible. Preferably with “solutions” that cost nothing, require no real infrastructure changes, and can be nicely ticked off on a checklist. Planting trees? Too much effort, too...
Show full commentI guess the plan is to look busy while doing as little as possible. Preferably with “solutions” that cost nothing, require no real infrastructure changes, and can be nicely ticked off on a checklist. Planting trees? Too much effort, too much budget. Let’s stick to ideas that sound good in a press release but don’t actually change the temperature.
Show less of commentAlexK
Community Member 1 day ago100%
Corinneanne
Community Member 1 day agoThinking back to the heatwave of 2022:
I have a 5yo child, so my actions during the heatwaves have been to protect him. We live in a flat and have no garden.
Answers below.
Show full commentHow did you cope with the heat in London?
Before my child was at...
Thinking back to the heatwave of 2022:
I have a 5yo child, so my actions during the heatwaves have been to protect him. We live in a flat and have no garden.
Answers below.
How did you cope with the heat in London?
Before my child was at school, we changed our routine to fit around the heat. I would take my child out in the morning, sometimes we would have breakfast outside in the park and be home by 11am. We would then play at home from 11-5pm and go out again after dinner. On the hottest days we would play water games in the bath throughout the day. I also keep curtains closed in sunny rooms until the sun has passed by.
Now my child is at school, I pay for them to attend After School Club until 5pm, so that we don’t have to travel home in the heat.
I also did not send my child to school on Sports Day, as it was 34’c and took place outside. I told the school my reasons honestly and they accepted that.
-
Our days out during hot weather have changed too - and when we go into London I choose places that are either indoors (museums, soft play etc), or places that have water play (science museum, v&a, King’s Cross, south bank, etc), or natural areas like woodlands. We always carry water, sun screen, hats and glasses etc. I also carry an umbrella for extra shade too.
Answered above.
What made it better, and what made it worse?
Better: Access to water and shade when outside.
Worse: Children’s playgrounds generally have no shade. It makes playing there out of the question.
Thinking of this summer:
Show less of commentWhat, if anything, are you doing differently to cope with the heat in London?
Answered previously.
What, if anything, does London need to help you cope with the heat?
Water refill stations must be maintained and clearly signposted.
More shaded areas to rest in large open spaces, and more shade in children play areas.
End.
MM
Community Member 1 day agoThe underground is very intolerably hot, especially the Victoria line. I am trying to avoid using it on hot days which is not great. What could be done about this? I don't know, I am not an engineer.
Show full commentThe underground is very intolerably hot, especially the Victoria line. I am trying to avoid using it on hot days which is not great. What could be done about this? I don't know, I am not an engineer.
Show less of commentribbitribbit
Community Member 1 day agoTalk London surveys have a regrettable tendency to focus on the individual with limited options. Heat issues are systemic more than individual, to do with urban architecture and design - and inequality. For instance the lack of green spaces...
Show full commentTalk London surveys have a regrettable tendency to focus on the individual with limited options. Heat issues are systemic more than individual, to do with urban architecture and design - and inequality. For instance the lack of green spaces in many areas of poverty and deprivation. And the problems posed by Victorian and Edwardian housing and planning restrictions on appearance regarding external modifications . But most particularly the disaster of modern apartment block architecture and planning in which it is impossible to keep apartments cool as they are built on the ‘hotel corridor’ model and only face one direction with no opportunity for through draughts to ventilate and cool. See current campaigns around apartments that are almost impossible to live in due to heat. This has been known to be a problem for a very long time. There absolutely have to be new planning requirements and regulations about design and materials regarding over-heating and the GLA could take the lead on this.
Show less of commentribbitribbit
Community Member 23 hours agoMore info about heat and apartment blocks:
https://www.theguardian.com/australia-news/2025/aug/12/do-not-buy-these-flats-residents-warn-about-unbearable-heat-inside-london-new-builds
More info about heat and apartment blocks:
https://www.theguardian.com/australia-news/2025/aug/12/do-not-buy-these-flats-residents-warn-about-unbearable-heat-inside-london-new-builds