Details of the MP expense claim system budgets can be found on the website of the Independent Parliamentary Standard Authority.
Office, Staffing and Accomodation expenses are subject to a budget cap, only travel and subsistence claims are unlimited.
Land and Property Services - Rates for Finaghy Constituency Office (Shared 50/50 with an MLA from the NI Assembly - see note) Expenses Finaghy Off Apr/May11