Nominated by Margaret Erskine.

If Oxford is the City of Dreaming spires, this one may give you nightmares! Of course, there is just a chance you may think it a beautiful building (after all, someone did or they wouldn’t have built it) but even if you hate it, it is worth seeing just to speculate on Why on Earth did they do that?

Amidst the Medieval buildings of honeyed Cotswold stone stands Keble College, the work of the celebrated architect, William Butterfield. Considered by many to be the supreme example of Victorian Gothic, Keble College looks like an outsize Fair Isle jumper.

Unlike the other Oxford colleges, Keble is built out of brick: not just any old brick but red brick with yellow zigzag patterns. But this is plain compared to the chapel. Taking its inspiration from Medieval cathedrals, Keble Chapel chapel looks like Granny decided to knit you one. Patterned brickwork, gargoyles and turretty bits on the outside; brightly coloured wall mosaics and loud Victorian glass on the inside. If this wasn’t enough, even the organ pipes are in clashing stripes.

Some people find this building peaceful and spiritual. Personally I am too distracted by its busyness to do anything other than marvel at it; but love it or hate it, you must see it.

Must See Buildings of Britain is an occasional series on Britain’s most remarkable buildings. Not only the stately homes, palaces and monuments that are part of every tourist itinerary but buildings that are simply worth seeing. Some are well known – although not necessarily for their architecture. Some are less well known – undiscovered gems that are worth a look. Some will take several hours to visit properly; others are not open to the public but merit a few minutes to look at the from the outside.

Must See Buildings has a sister column, Beastly Buildings, which looks at those buildings we all love to hate

If you know a building you think we should cover, email the editor, charlotte@donowdo.com