Rawdon Crozier & Ibraheem Dulmeer have had an article published on the Leasehold Knowledge Partnership website about the 1985 Landlord & Tenant Act and the imperfect protections it affords leaseholders
https://www.leaseholdknowledge.com/after-seven-efforts-at-reform-with-more-on-the-way-sections-21-and-22-of-landlord-and-tenant-act-1985-still-flawed-service-charge-protections/