For good factual advice on your sexual health: www.willyworries.com it also offers good visual images of female and male genitalia if you are concerned about what is ‘normal’.
If you are concerned about sexually transmitted infections and want to access a local sexual health clinic www.nhs.uk then find services
You want a Sexual Health Service which offers full sexual health screening and is confidential they do not share information with your GP. It does not matter where you live you can visit any Sexual Health service you want to.
www.cosrt.org.uk offers good advice on relationships and sexual issues.