The arches are a world of their own, each person a guest for a brief moment in a landscape that changes with every passing hour.
The space can feel overwhelming at first. Trains rumble overhead beneath Waterloo Station while commuters hurry through the tunnel, the clatter of their shoes echoing against the concrete. Seemingly every inch of the space is covered in paint, colours and tags layered over the work of those who came before.
Music spills from phones, speakers and nearby bars, drifting through the tunnel where daylight survives for only a few metres at either end.
During two visits within the same 24 hour period, a large mural had already been replaced by a tag. The walls here never stand still. Artists come and go, leaving their marks behind before someone else arrives to paint over them.
Sometimes the work carries meaning. Sometimes it is simply a name. A sign that someone passed through one of London’s largest legal graffiti spaces and left their trace behind.
That constant cycle can be traced back to the 2008 Cans Festival organised by Banksy, when the tunnel was temporarily opened to graffiti artists from around the world. What began as a fleeting experiment transformed the space into a canvas that has never stopped changing.
For artists, that freedom is part of the appeal. One graffiti writer who goes by the name Dinglebericus explains why he keeps returning.
“I come here just because it’s a legal spot. You can chill. It’s easy. It’s safe for the most part if you’re painting during the day.”
Another artist, who paints under the name Wr0k, says the appeal goes beyond the freedom to paint. For many, the tunnel has become a community.
“The community is really good. A lot of people come together, but a lot of the time you’re down here painting on your own.”
With every offshoot, corner and jagged edge there is something new to see. But behind the shifting layers of paint lies an obvious question. In a space where anyone can pick up a spray can, are there any rules at all?
Wr0k suggests that officially there are none.
“There’s really no rules at all. It’s just a legal spot where anyone can come and graffiti.”
But that freedom does not mean artists paint without thought.
Dinglebericus says personal standards still shape how people use the wall.
“If I’m planning to paint a piece somewhere, I wouldn’t go over it if I know I can’t do as good or better. I’d just leave it and find another wall.”
Wr0k also went on to reflect that he’d finished a piece, walked the length of the tunnel and found someone painting over his work by the time he came back.
Beyond the artists themselves, the space attracts visitors from around the world. On one visit a teacher accompanying a group of students from Denmark stopped to take in the walls.
“This is almost always their favourite place in London.”
This year the students arrived prepared. Armed with their own art supplies, they added their names to the wall, joining the countless layers of paint that already stretch beneath Waterloo.
With every visit the tunnel feels slightly different. New murals appear. Older pieces vanish beneath fresh layers of paint. Even small details emerge only if you slow down long enough to notice them.
Standing at the end of the arches it becomes clear why so many artists return here. The walls are never finished. The space is never complete.
Every new layer of paint becomes part of a constantly evolving archive of creativity beneath the city.
As I left the tunnel that evening, one artist had just stepped back from a freshly finished piece. For a moment it stood untouched.
In the arches beneath Waterloo though, moments like that rarely last for long.
Colin Cushion 
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