There are a number of excellent sources of leaseholder information.

Leaseholder information links:

This advisory book details the rights and responsibilities which currently apply to long leaseholders in England.

Late Payment Legislation leaflet

Association of Retirement Housing Managers Note on Disability Discrimination
HM Office for Disability Issues Good Practice FactSheet 2

Private Roads House of Commons note SN/BT/402

RICS Service Charge Residential Management Code
ICAEW Service Charges Technical Release
ICAS Service Charges Technical Release

The Leasehold Advisory Service Guide to Right To Manage
Right To Manage regulations 2010