53 New Oxford St, Hazelwood House, London, UK - England WC1A 1BL · 020-7836-4731

They used to do umbrella repair in the old days, but I haven't been there in years so I don't know if they still do.

If you come to the point of buying a new one sometime in the future, I would heartily recommend buying the new fangled double layer ones. They have vents, to let the wind out before breakage occurs. I have one, but the label has worn off, so I can't recall the make. It's been relatively indestructible, even in the winds of Harrogate.