Take a look at the following links for further assistance;

http://www.direct.gov.uk/en/HomeAndCommunity/Privaterenting/Tenancies/index.htm

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http://blog.painsmith.co.uk/

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http://landlordlaw.blogspot.co.uk/

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http://www.rmandco.co.uk/blog/blog-changes-to-landlord-and-tenant-law

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http://www.landlordaction.co.uk/site.php/blog/listings/C21

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This link deals with harassment worth a second look
http://www.guardian.co.uk/money/blog/2011/jul/04/diary-of-a-tenant-landlord-intimidation

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