Your mortgage repayments are not the only costs involved in buying a new house, flat or apartment.
There are a number of other factors to consider when moving home including the lender's valuation fee and your own survey, plus buildings and contents insurance.
The estate agent will charge you for selling your home - how much exactly depends on which company you use.
On top of these costs you will need to pay the removals company and it is likely you will need money to pay for furniture and furnishings once you have moved into your new property.
This moving home calculator will help you plan for some of the additional costs associated with moving house.