Stamp Duty:
Stamp duty is a tax that is paid to the government on any property that you buy over �120k. The amount of stamp duty is calculated as follows:
Up to �120,000 - nil
�120,001 to �250,000 - 1%
�250,001 to �500,000 - 3%
More than �500,000 - 4%
Multi agent:
You can either instruct one agent to sell your property or you can select as many as you like. People do this when they are desperate to sell. But the estate agents will insist on a higher fee because they market the property with less guarantee of selling it as other agents are doing the same. If I were you I would stick with one agent. They all put the properties on websites like rightmove.co.uk these days anyway and do far fewer mailshots and the like. You need to pop into your local estate agents and get them to go through everything with you about how much it will cost you in fees etc. Why not get a couple of agents in to value your property and see what they say. Don't be pressured to sign anything unless you are absolutely sure. Come back on this thread if you would like some more advice. I bought and sold 4 properties in 6 years so I have a bit of experience!