Where an application is made to the tribunal to vary the terms of a residential lease (relating to service charge calculation), is there scope for the landlord to recover the costs of the application from the leaseholders? This is specifically in a situation whereby there are eight leases, and seven of them agree to the variation, while one does not.Part IV of the Landlord and Tenant Act 1987 (LTA 1987) contains provisions relating to the variation of leases. By LTA 1987, s 35 any party to a long lease of a flat may make an application to the appropriate tribunal (being the First-tier Tribunal (Property Chamber)) for an order varying the lease in such manner as is specified in the application. However, this is not an open-ended power to allow the variation of a lease, as the grounds of the application must be that the lease fails to make satisfactory provision with respect to one or more prescribed matters, which relate in broad terms to the repair and maintenance of the building. By LTA 1987, s 35(2)(f), this includes in respect of the computation of a service charge payable under the lease.LTA 1987, s 37 provides that an application can be made in respect of two or more leases for an order varying each of those leases in such manner as is specified in the application on the grounds that the object to be achieved by the variation cannot be satisfactorily achieved unless all the leases are varied to the same effect, and can be made by the landlord or any of the tenants under the leases, but only where, when the application is in respect of fewer than nine leases, all or all but one of the parties concerned consent to it.The Tribunal Procedure (First-tier Tribunal) (Property Chamber) Rules 2013, SI 2013/1169, r 13 provides that the tribunal may make an order for costs only for wasted costs or if a person has acted unreasonably in bringing, defending or conducting proceedings in, inter alia a residential property case or a leasehold case. Where there is a clear need to vary the terms of leases and all but one leaseholder and the landlord agree to that variation, then (depending on the conduct involved) there may be a prospect of persuading a tribunal that the successful landlord (and, if parties, the majority of tenants) should obtain an order that the recalcitrant leaseholder pay their costs. For details of the test for unreasonable conduct and the process for applying for a costs order, see Practice Note: The First-tier Tribunal (Property Chamber)—practice and procedure (at section: ‘Costs’).The landlord may potentially be able to recover the cost of tribunal proceedings from all of the leaseholders through the service charge or as an administration charge, but this will depend upon the terms of the lease and what is specified as being able to be recovered.See Practice Notes:•Lease variations—applying to a tribunal to vary a long lease of a flat•Residential—statutory limitations on recovery of service charges and administration charges (at sections: ‘Excessive service charges’ and ‘Recovery of costs of legal proceedings as service charge’)