Spitalfields Life

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Simon Carter, Keeper of Collections at St Paul’s

In a hidden chamber within the roof of St Paul’s sits Christopher Wren’s 1:25 model of the cathedral, looking for all the world like the largest jelly mould you ever saw. When Charles II examined it in the Chapter House of old St Paul’s, he was so captivated by Wren’s imagination as manifest in this visionary prototype that he awarded him the job of constructing the new cathedral.

More than three hundred years later, Wren’s model still works its magic upon the spectator, as I discovered when I was granted the rare privilege of climbing inside to glimpse the view that held the King spellbound. While there is an austere splendour to the exterior of the model, I discovered the interior contains a heart-stopping visual device which was surely the coup that persuaded Charles II of Wren’s genius.

Yet when I entered the chamber in the triforium at St Paul’s to view the vast wooden model, I had no idea of the surprise that awaited me inside. Almost all the paint has gone from the exterior now, giving the dark wooden model the look of an absurdly-outsized piece of furniture but, originally, it was stone-coloured with a grey roof to represent the lead.

At once, you are aware of significant differences between this prototype and the cathedral that Wren built. To put it bluntly, the model looks like a dog’s dinner of pieces of Roman architecture, with a vast portico stuck on the front of the dome of St Peter’s in the manner of those neo-Georgian porches on Barratt Houses. Imagine a fervent hobbyist chopping up models of relics of classical antiquity and rearranging them, and this is the result. It is unlikely that this design would even have stood up if it had been built, so fanciful is the conception. Yet the long process of designing a viable structure, once he had been given instruction by Charles II, permitted Wren to reconcile all the architectural elements into the satisfying whole that we know today.

I had been tempted to visit the cathedral by an invitation to go inside the model but – studying it – I could not imagine how that could be possible. I could not see a way in. ‘Perhaps one end has hinges and Charles II crawled in on his hands and knees like a child entering a Wendy House?’ I was thinking, when Simon Carter, Keeper of Collections opened a door in the plinth and disappeared inside, gesturing me to follow. In blind faith, I dipped my head and walked inside.

When I stood up, I was beneath the dome with the floor of the cathedral at my chest height. There was just room for two people to stand together and I imagined the unexpected moment of intimacy between the Monarch and his architect, yet I believe Wren was quietly confident because he had a trick up his sleeve. From the inside, the drama of the architecture is palpable, with intersecting spaces leading off in different directions, and – as your eyes accustom to the gloom – you grow aware of the myriad refractions of light within this intricately-imagined interior.

Just as Wren directed Charles II, Simon Carter told me to walk to the far end of the model and sit on the bench placed there to bring my eye level down to the point of view of someone entering through the great west door. Then Simon left me there inside, just as I believe Wren left Charles II within the model, to appreciate the full effect.

I have no doubt the King was thrilled by this immersive experience, which quickly takes on a convincing reality of its own once you are alone. Charles II discovered himself confronted by a glorious vision of the future in which he was responsible for the first and greatest classically-designed church in this country, with the largest dome ever built. Such is the nature of the consciousness-filling reverie induced by sitting inside the model that the outside world recedes entirely.

How astonishing, once you have accustomed to the scale of the model, when a giant face appears filling the east window. I could not resist a gasp of wonder when I saw it and neither – I suggest – could Charles II when Christopher Wren’s smiling face appeared, grinning at him from the opposite end of the nave, apparently enlarged to twenty-five times its human scale.

In these unforgettable circumstances, the King could not avoid the realisation that Wren was a colossus among architects and – unquestionably – the man for the job of building the new St Paul’s Cathedral. The model worked its spell.

Behold, the largest jelly mould in the world!

The belfry that was never built

The single portico that was replaced by a two storey version

Just a few fragments of paintwork remain upon the exterior

Original paintwork can be seen inside the model

Charles II’s point of view from inside the model

You may like to read my other stories of St Paul’s

Maurice Sills, Cathedral Treasure

The Broderers of St Paul’s

Relics of Old St Paul’s in New St Paul’s

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On the right of this photograph, taken in the roof of St Paul’s Cathedral, is the concave wall of the outer dome and curving away to the left is the convex wall of the painted inner dome that sits inside it, just like an enormous boiled egg beneath a cosy. It is a strange configuration which means the lower dome does not have the bear the weight of the dome roof, and which creates extraordinary incidental spaces that never cease to fascinate me whenever I return to scale this majestic cathedral.

Once I am through the main door, passing all the visitors standing and gazing at the vaulted cathedral ceiling far overhead, I go straight to the entrance to the roof. This was where I came the very first time I was ever permitted to visit London on my own as a child, and I have returned consistently through all the intervening years without disappointment.

Leaving the nave and ascending the stairs, you enter a different St Paul’s – no longer the monumental space dedicated to public worship but a warren of staircases and narrow passages that enable people to run like rats within the walls and emerge again to peer down at their world askance. If you are lucky, your initial burst of enthusiasm will carry you clattering up the wide spiral stairs to the height of the nave roof. At the head of these, formal elegance ceases as you turn left into a crooked passage and right, up a steep, tapering staircase which is only as wide as your shoulders, and where you must lean forward when the ceiling lowers to child height, before – without warning and quite unexpectedly – you step out into the cavernous void of the Whispering Gallery.

This was where I was transfixed by vertigo on my first visit. Sitting perched upon the tenuous balcony that circumscribes the dome with my back to the wall, the emptiness was overwhelming and the expectation of imminent collapse tangible. To this day it remains the most intense spatial experience that I know. I see the space contained by the great dome overhead and the aisles stretching below in four directions and it sets my head reeling, and I cannot avoid envisaging the dome spinning out of kilter and collapsing in an apocalypse. I can feel the magnetism to leap into the nothingness as if it were a great pool. Even the paintings upon the dome fill me with dread that the figures will fall from their precarious height. And each time I come there I must sit, while whispers fly around me, and make peace with these feelings before I can leave.

Sobered by the initial climb and awed by the Whispering Gallery, visitors usually take a moment to relax and scrutinise the views from the Stone Gallery that runs around the base of the exterior dome. Here I sat with my father while he recovered himself, when he came to visit me once when I first moved to London. As we discussed the idle spectacle of the view, I became aware for the first time that he was failing and growing old, and was quietly ashamed of my thoughtlessness in bringing him, when I knew it would be a point of honour for him not to admit to any struggle.

From here you climb into the interior of the domed roof – laced with iron staircases, spiralling and twisting around the central brick cone, like a giant pie funnel, that supports the lantern at the very top. Every wall tilts or curves or arches in a different direction and there is no longer any sense of height, you could equally be underground. Let me confide, on this recent visit, to my surprise and for the first time, this was where I experienced disorientation. I found myself in a space without a horizontal floor and barely any vertical services, hundreds of feet in the air, sandwiched between the roof dome with the sky above and the interior dome beneath – promoting morbid thoughts of smashing through this inner dome to fall like one of the figures from the paintings on the other side of the wall.

Yet as before, none of these grim fantasies were realised and I came safely to the Golden Gallery at the very top of the cathedral, two hundred and eighty feet above the ground. There is a spyhole in the floor there – God’s eye view – that allowed me to look right down through both domes to the floor below where the crowds crept like ants. And then, with the great dome beneath me, I could gaze out upon the city from a point of security, and free of vertigo.

When I climbed back down to  ground level, I looked up to the dome from underneath and saw the speck of light from the spyhole and knew that to whoever was gazing at that moment I was now one of the ants. In medieval cathedrals, the focus of the architecture was upon the altar but at St Paul’s it is directly under the dome, where anyone can stand and be at the centre of things. The scale and ingenuity of St Paul’s are both an awe-inducing human achievement and one that makes people feel small too – a suitable irony in a great cathedral designed by a man named after the smallest bird, Wren.

I shall continue to return and climb up to the dome as long as I am able, because my trips to the roof at St Paul’s offer contradictory experiences that unlock me from the day to day. It is a reliable adventure which always delights, surpassing my recollections and revealing new wonders, because the vast scale and intricate configuration of this astounding edifice defy the capacity of the human mind to hold it in memory.

At the foot of the stair.

Iron staircases spiral in the hidden space between the inner and the outer domes of the cathedral

Looking through from the top of the lantern down to the floor two hundred and seventy feet below

Looking from the floor to the dome and the lantern above