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 (343)

Avatar for - Colombian spotted frog

A house of mutliple occupation has just been built near me and they've virtually demolished the whole of the back garden. Just more dark brick. And front garden also paved over. A massive loss of shading, cooling, habitat. So sad. It...

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A house of mutliple occupation has just been built near me and they've virtually demolished the whole of the back garden. Just more dark brick. And front garden also paved over. A massive loss of shading, cooling, habitat. So sad. It replaced a beautiful bungalow.

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Avatar for - Monarch butterfly

Just done the survey but it didn't mention public toilets!!! If we're going to heed the advice to drink lots of water we need more public toilets!!! It's a scandal that you can't find these outside London! Every tube station and every bus...

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Just done the survey but it didn't mention public toilets!!! If we're going to heed the advice to drink lots of water we need more public toilets!!! It's a scandal that you can't find these outside London! Every tube station and every bus stop should have a drinking fountain and every station and bus terminal should have free toilets

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Avatar for - Colombian spotted frog

Agree, the public toilets in my bororough are decrepid. Often no running water or just wrecked and then shut.

Avatar for - Tiger

We need to plant more tree'  and more cooler stopps in order to breath aand to avoid getti g hypo

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We need to plant more tree'  and more cooler stopps in order to breath aand to avoid getti g hypo

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Avatar for - Colombian spotted frog

Please can we get our front gardens back? Tax or parking incentives? I can't understand why councils are not tackling this. Nonsensical to put in SUDs but continue to let people pave over gardens. Gardens provide cooling, flood absorption...

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Please can we get our front gardens back? Tax or parking incentives? I can't understand why councils are not tackling this. Nonsensical to put in SUDs but continue to let people pave over gardens. Gardens provide cooling, flood absorption, shade, CO2 absorption, pollination. Many more street trees and shrubs needed.

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Avatar for - Vaquita

the councils will do anything to make us pay because they are struggling so they introduce all these crazy ideas and call it tax because the government will not sort out the important things that matters in this country

Avatar for - Sumatran elephant

I agree that all those front gardens that have been paved over should we returned green

Avatar for - Sea turtle

Houses and "new" big developments -including large blocks of apartments, continue to use bricks and windows to absorb heat like 100 years ago. Public buses have become mouse traps with each new version having less and smaller windows, and...

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Houses and "new" big developments -including large blocks of apartments, continue to use bricks and windows to absorb heat like 100 years ago. Public buses have become mouse traps with each new version having less and smaller windows, and either no ventilation or an unbearably loud air-condition system. The tube is an inferno, with even the seats designed to make things even worse with the heat. There is an overdose of rhetoric, with stations announcing "carry a bottle of water in hot weather" but there is NOT A SINGLE STATION with a public water fountain. More and more cars fill London car dealers without control every single day when each single street in London is saturated with cars on both sides of the road for a while now. I mean, are you serious?

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Avatar for - Colombian spotted frog

Could you not harness the heat on the underground like you do with geothermal? Install pipes throughout the tunnels and use the heat to heat hot water for buildings above and at the same time, cool the underground. Two birds with one stone.

Avatar for - Sumatran elephant

I have been watering the garden with a hose in the evening. I am using the car rather than walking, even for relatively short distances— I am in my 80’s

Avatar for - Saola

It's dramatically cooler walking through the park yet in my area they are building on every green space and it's getting hotter and hotter. They build right up to the pavement edge. 

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It's dramatically cooler walking through the park yet in my area they are building on every green space and it's getting hotter and hotter. They build right up to the pavement edge. 

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Avatar for - Pangolin

We have installed better blinds/curtains on some windows, and will be looking at adding more in the future. Changed our pattern to keep windows closed during much of the day. Added temperature sensors to help track changes. Installed a...

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We have installed better blinds/curtains on some windows, and will be looking at adding more in the future. Changed our pattern to keep windows closed during much of the day. Added temperature sensors to help track changes. Installed a ceiling fan in our main living room, which has helped significantly; also bought two smaller desk fans for bedrooms.

We've also increased our rain water storage capacity by 340%, giving us almost enough to make it through most droughts by topping up over window. Looking at adding more as part of existing work.

The main thing that would be great to see would be better protection on existing trees and waterways, as both help immensely, as well as stronger initiatives to plant more. Particularly along pavements/streets; there is such a huge different walking along a street with 70%+ shade than one with nothing but street lights and maybe some planters. Fewer cars, more trees please!

Also, air conditioning on trains and tubes. We have two lines from our local station, one with air-con, and one without. We actively arrange our days in the summer to avoid the latter, and based on how crowded the former gets, I don't think we're the only ones. I understand that the tube has engineering barriers to providing proper ventilation, but there is no excuse on the Overground.

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Avatar for - Staghorn coral

I was in the hospital when it was very hot outside. No Aircon at all. If we are going to get hotter summers? We need aircon.  We need to be more like mainland Europe. And as other people have commented, we need more trees. 

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I was in the hospital when it was very hot outside. No Aircon at all. If we are going to get hotter summers? We need aircon.  We need to be more like mainland Europe. And as other people have commented, we need more trees. 

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Avatar for - Colombian spotted frog

I live in a block of flats managed by the council which has a centralised heating system. The block is also well insulated. This makes for very comfortable and easy winters, but when temperatures near 30C in the summer it is impossible to...

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I live in a block of flats managed by the council which has a centralised heating system. The block is also well insulated. This makes for very comfortable and easy winters, but when temperatures near 30C in the summer it is impossible to keep the flat cool no matter what you do. There is no roof overhang or awning to shade the windows. I think retrofitting blocks like this to cope with future extreme heat would be a huge improvement. 

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Avatar for - Orangutan

And awning is such an easy win. All new buildings, especially blocks of flats should have awnings at a minimum. And order buildings should have automatic planning approval and/or HA rules override to retrofit awnings. 

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And awning is such an easy win. All new buildings, especially blocks of flats should have awnings at a minimum. And order buildings should have automatic planning approval and/or HA rules override to retrofit awnings. 

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Avatar for - Monarch butterfly

Two years ago my husband and I visited Madrid. The temperatures were sky high, but the streets were lined with huge trees that provided a brilliant cooling shade. For me, trees are almost always the answer!

Avatar for - Colombian spotted frog

  • Provide more public water fountains/water refill points (including at tube stations!!)
  • Put more shade in public areas!! Trees, or even awnings on streets/shop fronts if there is no space for trees. Provide discounts to encourage local...
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  • Provide more public water fountains/water refill points (including at tube stations!!)
  • Put more shade in public areas!! Trees, or even awnings on streets/shop fronts if there is no space for trees. Provide discounts to encourage local businesses to get awnings for their street
  • Make white/light coloured rooftops mandatory or heavily subsidised to help absorb heat
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Avatar for - Orangutan

Covered footpaths on the high streets would be amazing, not just for summer but also the wet seasons. And it would be a much cosier streetscape overall.

Avatar for - Staghorn coral

Change planning regulations so developers are required to plant more trees at street level, this will help lower temperatures in very built up areas like the City of London benefitting workers and residents.

 Regulate air conditioning units...

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Change planning regulations so developers are required to plant more trees at street level, this will help lower temperatures in very built up areas like the City of London benefitting workers and residents.

 Regulate air conditioning units which while cooling the interior, create more heat outside.

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Avatar for -

Air conditioning saves lives, makes it possible to work or sleep in hot weather. How to deal with the heat problem?

Avatar for -

I try to do things outside early in the morning or late in the evening and stay indoors in heat of the day. I keep blinds closed on south side of house and windows shut in the day time and open them at night. I use a portable electric fan...

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I try to do things outside early in the morning or late in the evening and stay indoors in heat of the day. I keep blinds closed on south side of house and windows shut in the day time and open them at night. I use a portable electric fan to keep cool at night. 

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Avatar for - Sea turtle

The biggest challenge for me is how hot my workplace is. There are no windows, no air circulation, no air conditioning so temperature inside is usually 3 to 4 degrees higher than outside. We have complained for the past 5 years to the...

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The biggest challenge for me is how hot my workplace is. There are no windows, no air circulation, no air conditioning so temperature inside is usually 3 to 4 degrees higher than outside. We have complained for the past 5 years to the manager and the owner, but no action has been taken. One of the biggest things that the government and mayor need to do is issue a public guidance and doctrine around what is acceptable and what is not and a route to challenge work practises to external parties. The Hearth & safety act simply does not cover the problem. We can take unpaid or sick leave, but we only get paid the statutory minimum wages. 

In addition the tfl needs to improve significantly - particularly the central, jubilee, bakerloo, victoria and piccadilly lines which always have delays and are extremely hot!

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Avatar for - Colombian spotted frog

I noticed a big difference in temperature between my back garden (which has a lawn and shrubs and small trees) and the street in the front of my house (which is stone/tarmac/paving).  Households should not be allowed to concrete over more...

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I noticed a big difference in temperature between my back garden (which has a lawn and shrubs and small trees) and the street in the front of my house (which is stone/tarmac/paving).  Households should not be allowed to concrete over more than 25% their front or rear gardens (except in exceptional circumstances, where there is a good reason for doing so).  We need more green spaces, with large trees (in my local park, Finsbury Park, the shade created by the lovely London Plane trees makes such a difference in the heat, and it's great to be able to go and sit under the trees to escape the heat).  Also, parks should be accessible to the public as parks, not music venues (this is especially important for people who don't have gardens).  The large commercial events which now take place in several parks around London during the summer deprive local people of a much valued green space.  Our Parks should be protected as green havens, which everyone can relax in and benefit from the cooling effect of trees and greenery.

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I totally agree about parks not being used as music venues. I live near Victoria Park and really dislike it during the summer when a large part of it gets blocked off for festival use every summer. 

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I totally agree about parks not being used as music venues. I live near Victoria Park and really dislike it during the summer when a large part of it gets blocked off for festival use every summer. 

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Avatar for - Staghorn coral

Green spaces are slowly being eroded. In my area they are considered fair game for 5G masts, and in Orpington the council plans to build an archive storage and it's an Historic Park!! Just when developers want to cram in 100s of small...

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Green spaces are slowly being eroded. In my area they are considered fair game for 5G masts, and in Orpington the council plans to build an archive storage and it's an Historic Park!! Just when developers want to cram in 100s of small cramped residential units with no personal space/gardens.  

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Avatar for -

My biggest bugbear is how hot all the buses are.  There are very few even of the newer buses that actually have functioning air conditioning and most seem just to blow out hot air and have windows that do not open.  They are unbearable. (...

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My biggest bugbear is how hot all the buses are.  There are very few even of the newer buses that actually have functioning air conditioning and most seem just to blow out hot air and have windows that do not open.  They are unbearable. ( And are freezing in Winter.)  Some newer buses do not have a window at the back now, so you cannot see if a bus is arriving behind you. Really annoying as I so often have to bus hop because buses are so infrequent or we have to keep getting off due to driver change over of cessation of the bus due to not enough on the route.  I don't know how the drivers cope.   Some of the tube trains are cooler such as Circle line and Jubilee but most are baking hot.

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Avatar for - Vaquita

The " Boris" buses are unusable when the temperature is high. The air con has never worked and the windows are totally inadequate. 

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The " Boris" buses are unusable when the temperature is high. The air con has never worked and the windows are totally inadequate. 

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Avatar for -

Air cconditioning must be aavailable aand on, in all London Ttransport, bus, tube aand trains. Must keep drivers of all transport safe and cool too. My preference is to sTaylor iindoors when ttemperature is overy 25°C


Timeline

STAGE: Evidence gathering

Launch of the London Climate Resilience Review

Happened

London’s changing climate

Happened
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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 1440 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