Why These Basements Are Taking Over London
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- Опубліковано 16 чер 2024
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Why These Basements Are Taking Over London
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Use metric please
This man literally has no idea about London its almost hilarious./
As a geotechnical engineer, I want to add that London clay has such a low permeability it is considered impermeable, which means that it does not absorb water. So water already has nowhere to go in London, other than watercourses. This is why London floods with high rainfall, because it is almost completely dependent on surface water drainage which flows into rivers which can get overwhelmed. Concrete basements will not change this fact.
While the Dutch build walls to keep water out, the British are digging to let the water in.
We don't really want water ingress into such homes, however it is a building hazard for such Iceberg houses.
The Dutch are real smart people and have a long history of managing hydro-dynamics !
@@richardcope8102 and they make good music and good haze
If someone can afford such houses and development then they can also afford the best available tanking and waterproofing. It is moderately easy to provide external waterproofing to the concrete structure to resist water pressure.
@@thomasdehaan7058 Purple haze ?
Clay soils are actually virtually impermeable. It's because how the very fine particles are packed makes water's passage through it awfully slow. In fact I think the iceberg basements would become more like literal icebergs when it comes to severe flooding:- it could cause the whole structure to float and then crash into the neighbouring buildings.
Will they honk a ship's horn right before impact?
@@lonestarr1490 If the house is a Dutch design? Yes it will ...
I only liked your comment because you took the time to write this all.
Water retention will also depend on compaction
if that were true then the French wouldn't have a problem with a flooding train station, they would just line it with clay, but instead they have water seepage still and they built a station close to the river and a tunnel through the river.
The simple solution to keeping aquifers out of your home is not to dig deep near aquifers and underground water.
As someone who lives near London, I find the prospect of the city slowly sinking rather scary.
Give Jakarta a visit, you'll hate it more
Happy for you :)
I think it's quite cool tbh
Just like you fear the Dutch. They been sinking for centuries with no problems. And they could totally sail up the Thames with their warships. Which they would do if the Queen was still able to bend the knee.
@@woodenlobster I would bring in the orang belanda. But that is just water mismanagement. All you need to do is ... stop doing that.
Or build a sea wall in the shape of a big garuda.
One thing ignored is the fact that’s it’s *feasible* to build basements in London. It’s seismically stable.
Biggest basement in Europe was built under the British Library in London. The size of a football pitch and 10 storey's deep.
Feels like London is slowly going towards becoming UnLondon
True
thats what im thinking of a far flung future of london, underground cities covered with an ancient historical surface
builder that actually sounds dope
@@joelstephenson8017 yeah, where it would have a stark contrast to the futuristic cities around the globe, afew cities in europe managed to keep their cities intact for centuries and managed to keep it that way, instead expanding deep underground not only to preserve the historical city but also for the possibility of nuclear war and stuff, with several levels interconnected basements and underground malls and highways
All y'all didn't get the reference.
This is very common in NYC, most owners of historic homes build below ground since they cannot remodel the existing structures. I work on the excavation systems to build below these homes
Underground construction is the shit. Space for humans while still allowing room for nature with potential wild life crossings, geotermal heating, shelter for the elements. I remember walking around campus on uni during shit weather wondering why the hell we didnt have underground passage ways only to find out some places have borderline underground cities.
Those massive underground malls are probably much better planned. But those people building under their plot don't care about the place around them
but i dont wanna live underground :( i want my vitamin D
not really... if you consider the amount of engergy you have to use to excavate these massive amounts of soil, it is much more damaging to the enviroment than living on the surface
Beijing has an underground city because they feared a war with Russia, if I remember correctly.
I think Shenzhen too because of district cooling.
Wow couldn't figure out how a poncho works? Not able to deal with the elements after millions of years of evolution ...
New levels of woke are seen!
People make basements in these areas should pay a fee to the government to help build more drainage for the city.
Brilliant
clearly they'd be able to afford it!
Yes, the stench of communism needs to make more leaps and bounds.
@@dapper_gent what does that even mean?
your ads keep getting too mixed up in the video. a good segue is good but it should be clear when the content stops and the ad starts. otherwise good content as always!
Segue
@@danieldeburgh8437 oh god, i never knew but always wondered about the word, thanks, i fixed it
Get a premium account
@@sontyt2744 we're talking about in video ads
@@sontyt2744 he is talking about sponsorships
I actually warched a video on this from a construction company specializing in this. It looked like a nightmare. The manpower and time was eyewatering. They essentially tore the interior apart until it was just the historical shell. Dug down. Poured more concrete footings/walls. Dug down more did the same. And it wasnt a dig it all down at once. You had to split walls into 4 areas. Youd dig number 1 down, pored concrete, digout 2 pour concrete etc. So it was like a 4x as long time frame. Then...then you can start the interior. Its cool but just amazing cost. If you want to feel better, in los angles the prices are nuts. Guys buy these little bungalows to tear down and build mcmansions. Not on the water or even good areas. Like 1/2 acre lots, 1500 sq foot bungalow that would be 100k rest of the country. These guys are buying them for a million plus. And theres bidding wars. For a house theyll bulldoze just want the land. Its nuts.
No one wants to live in the middle of nowhere if they can afford it.
@@jaxstax2406
Wouldn’t say no one, middle of nowhere is better than most American cities
@@user-su4dd9kp7l that's what you think.
I'm more a fan of middle of nowhere myself. mike M, would you believe, even many of the areas around the Detroit metro are getting to be 1mil+ for 1/2 acre? Arguably the worst city in the US, a metro without a real anchoring urban area, is seeing those kinds of prices. Granted, you can still find 150k homes in areas with flooding, high crime and bad schools.
@@jaxstax2406 One of my friends in London built a basement. It is not what I would do: I live in the middle of nowhere, because it is what I want. I can't bear London.
It seems like the real issue here is wealthy distribution and not zoning restrictions.
those building companies would have to make a fortune doing this. im no trickle-down supporter but lets be real, they must be paying their engineers crazy salaries to do this kinda extremely labour intensive work for multiple years. would be incredibly stable employment and would definitely assist in getting the rich to share their wealth back into the economy.
@@jonathanodude6660 They are doing this because they know that no matter how much they spend, they will end up many times that amount richer afterwards. Whatever wealth is "redistributed" the gap in wealth will still grow Wider. Thats why trickle down doesn't work. The majority of the value of the work being done isn't past on to the people actually doing the work. So the more value ordinary people create through their work, the bigger the gap in wealth between them and the people who own the things they create becomes. Its trickle up economics, always has been.
The zoning restrictions allow for the wealthy to distribute their wealth unfairly, while the wealthy protect these laws to keep house prices high and unchanging in london
1:36 Actually, London has the second most skyscrapers of any European city. Had it been part of the US it would have been placed fifth, ahead of cities such as San Francisco and Los Angeles...
Interesting video,albeit slightly flawed..
London is full of high rise buildings and skyscrapers.
Also, the basement builds are in most part part financial viable, with basement build costs ranging from £600/sqft- £1500/sqft and sales prices in some of the areas you mentioned over £2000/sqft, its rarely a loss making exercise
It annoys me that valid criticism like this is often ignored
It's social and civil vandalism even if the monetary value is increased.
But high rise buildings tend to be built either in low socioeconomic areas or in already existing high rise zones e.g. Canary wharf/ city of London and now the new Nine Elms
@@rrecee2639 "Social vandalism"? How are you affected by someone building a big basement?
@@christianwestling2019 if they are doing it next to your house
1:38 ''london has so few skyscrapers'' LOL
When Speer was building test sections of the underground road that would make Germanias Axis car-free, they had major problems with the marshy Berlin soil.
1. How can that water drain, when everything is concrete? Does London build pipes that let the water into the ground anyway?
2. Building a Basement is not bad in my opinion. Sure, it needs to be constructed, but it isn´t seen from the outside as compensation.
3. It also reduces Land Use by being at site instead somewhere where a Road is needed.
4. When Water cant infiltrate into the ground anyway, how would building a basement affect the fact that London is sinking?
Theoretically, if the excavated material is used to build up the ground level around the Thames, then building basements could reduce flooding.
@@evannibbe9375 Its more complicated than that. You must prevent water from entering through the ground.
Sand takes in water
Bacement = less sand
Less sand= more surface water
More surface water = higher chance of a flood
@@markhellings4203 According to this video, London is located on Clay, not Sand.
@@christianhumer3084 the only difference between clay and sand is the grain size. With clay's grain size being smaller it can take in even more water. So removing clay instead of sand is actually worse
I came across your channel and found your accent and enunciation of words make it easy and hard to follow at the same time
I suppose they could build a slurry wall for the 4 walls of the basement, and then dig out the hole in the middle. This is how they did The Big Dig in Boston. • • • • • • • •
BUT you will NEVER keep all the water out. The interior finish walls need to be separated (an air gap) from the foundation walls. This will allow water that finds its way through the concrete (and it will!) to flow down to the sub-sub-sub-sub-basement. There you will have a sump system BELOW the bottom floor of living space. That ground water would then be pumped to the surface. • • • • • • • •
The interior walls will also need closed cell insulation so moisture does not create mold in the living space.• • • • • • • •
I did something similar in my own basement, on a MUCH smaller scale, without digging down. The insulated interior walls and basement floor are separated from the concrete surfaces. Water is allowed to migrate.• • • • • • • •
Easy-peasy!!
London has few skyscrapers? Have you even been there, it's one of the cities in Europe with the most skyscrapers
Probably from an American perspective
It is the most. But for USA or China, it doesnt have as much.
In Canada, there are severe restrictions on building basements past 3 meters in depth. The issue is a combination of shallow bedrock called shield rock and then there is a requirement that any inhabited room must have a window for escape. No windows from the basement means it's strictly for storage. Windowless basement windows cannot be used for a home theater, hobby room, rumpus room and especially bed rooms
Makes a lot of sense
Should be OK with 2 exits of any kind. Like an extra door and staircase. Or do Fire supression like the French.
You could build an exit for all the floors.
Sounds sensible.
Escaping from bears?
thank you for wathcing - lol great vid as always!
NHS is starved for funds. Rich aren't taxed very much, judging from their spending. Ideas? Anyone?
Yes, but my comment would probably be deleted by youtube. I agree, it is an appalling situation.
@@daic7274 About 100 years ago the US political leadership reined in the super-rich with Income and Estate taxes. Those tax revenues built "the American Century". Since the 1980's the US has cut taxes on the rich and gone deeper into debt. Some things are just obvious, and ignored.
@@massimilianoferrari7860 You really need to go back to elementary school for math. It wasn't "big taxing" for regular people. It was Income and Estate taxes on the top 1% of the population. You can't tell the difference between 99 versus 1? LOL.
Far out, that transition to the plug for masterworks was slick.
how is this channel not getting a million subs? the videos are amazing!
I love these vids so much information that little to no one talks about
London is "infamously rainy" only in the eyes of clueless tourists. It gets about 550mm of rain a year, less than Berlin, Paris, Barcelona, Vienna, Lisbon or Rome.
yep, around 600mm year, less than a good portion of Europe.
here in central Alps is 850/900mm, but unlike London usualy didnt rain at all for a couple of months, but during some periods of the year it rain for even a couple of days.
it is pronounced Ful-am, the 'h' is silent. Also, this sitaution is not only happening in "elite" neighbourhoods, it's happening all across the city. Bear in mind that london is extremely corrupt so this also factors in when analysing the rise of these buildings
Nice Video!
Ah yeah people building 5 story underground houses and here I am not even able to afford a studio flag in London
To rent 🤣
Seems like a fire hazard. Would love a video of how they mitigate the insane safety risks of building underground with no easy exits or ventilation.
I don't think these owners would spend a lot of time in the basement. It's likely mostly for entertainment, maybe they only go down once a week or something. It's hard to die because of fire down there.
@@aristtara006 doesn't mean there's no need to think about fire escapes or safety in general, against any disasters
I mean... not really. What is going to burn? Everything structural is concrete and steel.
@@insertphrasehere15 fire protocols are more about people getting trapped/suffocation/ventilation/etc... that's why we enforce windows and fire escapes for multi-story buildings. If anything happened above they don't exactly have options, and all those things below will be producing fumes. Pools? Garages? Gyms? Gonna get muggy down there real quick.
Fractional artwork ownership. This is the peak.
Great video! Please make one on Jakarta, Indonesia soon ✌
Green infrastructure (suds) and biophillic design is the only thing that really offset this issue imo
This creating residental spaces below homes and buildings has been going on in the large US cities for many many decades. There are multiple basement levels under lots of the row homes in NYC. They are being made into the same kind of spaces you are saying are being created in London. Difference is that th these basement levels are existing spaces from when the buildings were built.
Great video and I learned a lot from that. I'm the type of guy who would really appreciate having multiple stories or rooms for different things so I can leave things around and go do other things at the same time. I also like underground buildings because they feel safe and cozy.
Btw there is a spelling mistake st the end "Thanks for Wathcing" instead of watching.
What programs do you use for your videos? They are beautiful.
I see my hometown of Brisbane appeared in the flooding portion at 7:51!
Curious about egress from these dungeons. I'm assuming there are regulations that provide for escape options in case of emergencies?
@1:04 "This certainly isn't happening in New York". Nearly 100% of homes in New York have basements while less than 1% have them in London.
Perhaps Paris wasn’t the best example of this phenomenon not occurring in Europe on account of the catacombs.
literally has nothing to do with that
@@Valentin-oc5nh it is underground, a lot of it, all below paris. ur just being nit-picky and overly pedantic
@@eldromedario3315 no lol. its different as no one is living there
Master works!!!
Imagine spending 10 years in litigation just to build a basement
Damn that was the smoothest transition to a sponsor I have ever seen
Let's ignore the damp and dark. London's water table is around 45 meters and rising 3 meters a year (because of the cession of ground water pumping). At almost 30 meters deep these houses are 15 years away from water reaching the lowest floors. After that, pumps will have to be run constantly to keep the lower levels from flooding. Keeping valuables down there is a guaranteed loser over time, plus flooding means weakened/shifting foundations.
i call BS. show me a link where it says its rising 3 meters a year.
Show me a link too
Water table 45 metres deep and basement 30 metres deep ? Are you sure you don't mean 30/45 feet deep ? I have worked on lots of projects in London and have frequently seen references to a water table in the geotechnical surveys at much shallower depths. And a 30 metre deep basement would give you 10 floors. The surcharge loading on the perimeter retaining wall would be huge probably requiring a diaphragm wall which can only be installed using a crane at ground level.
An underground, indoor tennis court... 🤔 Just thinking about the engineering to construct all these basement extensions is truly mind boggling!
I've always wanted a underground house
Why didn't anyone though in just keeping UV lights powered behind the walls to keep moss from growing ?
There are regulations now preventing builds of more than one storey deep and it's extremely onerous to get these jobs approved by councils.
And what if the new owners don't want that space below? On normal properties if there's portions of the house or other structures you don't want, you can just tear it down and get rid of all the material. What happens to unused concrete caverns below?
potato
Beautiful video
i could not agree more with all the strict architectural codes of europe.
it is not just easthetically nice, but it is also important for many reasons.
Wow Interesting.
you finaly expended your home underground you wanne rilex, meanwhile you neighbour just start building, and you still 1 -2 year in loud drilling sound XD
How do you find these topics to make videos about?
I don't understand rich people. They spend so much money on stuff they don't need while there are starving kids out there.
the strong do what they can, the weak suffer what they must.
You say the Thames barrier has been “overused”. What do you mean by that?
7:49 thats definitely Australia lmao
Unlondon is finally becoming a real
Someone go wake up the SCP facility to get ready
did this man just call camden an elite neighborhood
It's a useless thing to point out but, I've never been this early to an OBF video
They are expanding down back to their colonies again
I'm watching 1 Hour since uploaded
who would want to live underground though if they have a choice?! not seeing sunlight/natural light is my worst nightmare. i could never work at an airport or inside a big shopping mall, let alone live somewhere with no windows
exactly. living underground is rather super scary for me. i cant even imagine living like this.
My nightmare is garlic so its nice to live underground.
9 month deployment on a submarine hmmm ...
You really going to open a windown? Lmao!
@@sanketgarg1731 Couldn't care less but the design is literally letting people live above while all the fancy pools and garages are below.
But hey you can proof read and fact check the Mars Biome human experiments? Massive spaces but incases in clear glass domes and ... they went completely mad inside it.
If it didnt stink and the air was breathable I could so dig it.
Nobody's living in any of these places. Why rich people waste so much money on this is beyond me
why are basements common in developed cities in the UK but rare in the suburbs and smaller towns
Not needed in the suburbs and smaller towns due to more land and lower land costs
One word answer: Colin Furze
Same with IQ
Building underground is the way forward lol
I wonder how much will it cost to air-condition the house down under.
Not much? It would be insulated by the ground. So very likely cheaper than the above ground portion
You lost me right at the end man. Don’t sound so defeated at the end of the video.
it's the grim reality sadly
That sponsorship segue is amazing
Preparing for that Doomsday scenario. Noice.
Preparing for nuclear war
At the end you say "the land is theirs", but in the UK it isn't, only in the US... In the UK the "Crown" (Government) owns all soil & mineral rights, if you want to dig deeper you have to lease the rights from them.
I'll bet they got the idea from those hobbit burrows in the LORD OF THE RINGS movies...
Good
4 Mei
22:00 Nonton UA-cam Shorts 22:02 Turun kebawah kekamar Mandi Main IG 22:16 OBF Why These Basements Are Taking Over London 22:22 Pause UA-cam Turun kebawah Kekamar Mandi BAB gak bisa di flush Naik keatas Cek Jam 22:33 Lanjut Nonton Menit 6;13 an
So that’s why the housing market is 🚀 high in the U.S.A.
Look at the FAQ of this Art stuff, sounds insane as they say fun stuff like we have an unproven businesses model. Would not be surprised if a lot of people lose money.
Bit out of date mate, iceberg basements are now banned across the city.
These iceberg homes should not be allowed by the local councils. Causes massive disruption to the neighbours and in the worst cases adjacent properties suffer (extreme) subsidence as the foundations are literally dug away by their neighbour's (con/de)struction team.
Is this what they call the london dungeons?
Nicely done ad plug there. Bravo
It’s a no brainier investment first of all, not a necessity
What about sunlight tho?
London has a relatively high number of skyscrapers by European standards though.
@Zaydan Naufal Nah London has way more than Frankfurt now.
well. yes. "a handful" is certainly more than "none"
It is because Europe does not build very many skyscrapers at all compared to the rest of the world (which is good in my opinion).
It all was started by eco crazies and their 'green belt' legislation. The city can't expand, but the populayion grows, and that forces it to grow vertically. Compare that to places like St Petersburg that are not bound by such lunacy, historic architecture doesn't get gutted or built over there.
Because the Mudflood isn't done with London yet!
Alt title: Why London is tripping towards the hell
9:24 Interesting way to spell "Watching"
Save our city!
Ah, gotta love living through another glided age.. We are fucked as a species xD
Oh no the sealevel is rising!
OBF: no wories, lets just regulate global Temperatures .
Me: ??????
coz less space DUHH
OBF is one of the most underrated channels out there.
Neat
Wow 😳😳
very interesting piece. but these iceberg homes can be the answer to the rising sea-levels. these homes have a lot kif positive bouncy. so they can just float up when the waters rise, 😂
Never seen homes in the Netherlands do that?
@@MrFlatage I have. That was the inspiration. But it is a funny image to see these iceberg homes go up and down like a yoyo.
Someone play Rains of Castarmere and remind this town of Tywin Lannister.
"Why are basements taking over London"
Am I the only one who had a different thought in mind?
Oh shoot Raccoon City!