You can apply to the First-Tier Tribunal (Property Chamber - Residential Property) if you are a landlord, tenant, freeholder, leaseholder, park home occupier or site owner. The cases you can apply for include:
rent increases for ‘fair’ or ‘market’ rates
leasehold disputes, for example variable service charges, recognising a tenants’ association, management disputes
leasehold enfranchisement, for example buying the freehold for a group of flats, extending a lease
disputes about park homes, for example breach of agreement, changing the pitch fee
financial penalties issued by local authorities
rent repayment orders
improvement notices and prohibition orders where your notice is under the Housing Act 2004
disputes about licences for houses in multiple occupation
the right to buy your council home being refused because it is deemed suitable for elderly people
banned tenant fees you paid to a landlord or letting agent, for example fees for a credit check
Help you can get
You may want to get help and advice before you apply - contact Leasehold Advisory Service. You can also get legal advice, including from a lawyer.
For further information on solving a residential property dispute see GOV.UK's website.