How much does it cost to change the iPhone 4 charging port?

Please answer a rough estimate in pounds (UK)

I'm looking to get one replaced and the cheapest I have found is £45. Bit expensive but I had a look online and it does look like quite a fiddly job so I'll be paying the cash for someone else to do it.

$10.32 Canadian or 6.40 pounds plus shipping if you do it yourself
http://dx.com/...144?tc=CAD

http://www.imore.com/...m-iphone-4

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