How to word placing a bid on a house?

[Jodee]

We need something in writing saying that we have placed the bid of £x can some one help me word it !

[Ed Atun]

Make it like a contract:

(your name) agrees to purchase (property address) from (seller's name). Purchase price to be (enter amount). Closing to be September 29, 2013. Buyer will pay with (cash or loan). The earnest money will be £500. Everyone sign and date. When signed, that will be proof that you have made a bid on the house.

You can do this on a plain piece of paper.