as it looks like rates will continue to rise I have asked my mortgage company about fixed rates, they have offered me a three year fixed at the same rate as a two year fixed, are rates likley to come back down within two years or is a three year fixed the best option?
A lot of mortgage company's are not doing fixed rate anymore.This tells me that they suspect the interest rate is going up to the extent it would not pay them to "fix" rates. I would go 3 years if you are being offered it and it is comparable to the current interest rate.
There are still over 2000 fixed rates to choose from. Hardly a restricted choice. Your circumstances are a better guide to the decision than trying to guess what the Bank of England will do over the next two or three years.
You might want to look around a bit more before you commit to what they're offering. There may be a reduced number of fixed rate mortgages available, but they are still around. Who is your bank / financial services provider? I know that National Guarantee is good so you might want to look at contacting them: http://www.nationalguarantee.co.uk/our-mortgag es.asp