Thanks all it's very helpful. I'll look into the mortgage advisors route and will avoid solicitor for now. It was more to ask their opinion rather than begin using their services but I think I have plenty to work with from the above suggestions.
See If you can get them to agree to you back-paying the additional share of mortgage out of the proceeds of the sale.
@Howard started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Thanks all it's very helpful. I'll look into the mortgage advisors route and will avoid solicitor for now. It was more to ask their opinion rather than begin using their services but I think I have plenty to work with from the above suggestions.