Can I claim tax on accommodation for a freelance job in another city?

I live in London and work as a freelancer in costume for film and TV. Last year I took a job in Bristol to get my foot in the door of a difficult industry - I found a room to rent in Bristol for the 3 month duration of the job, while still paying my full London rent at my permanent address. My question is, can I claim the rent of the room as a business expense when submitting my Self Assessment tax return? The job was PAYE and none of my living expenses were paid by my employer.