English term (edited): free fit-out compensation

مبلغ متفق عليه يدفعه المؤجر كنفقات لتجهيز العين للمستأجر كحافز له لاستئجار العين

Fit-out Contribution

Landlords sometimes give fit-out contributions as a lease incentive. This applies to the your fit-out works. A landlord can pay this contribution on a reimbursement basis, where you provide them with receipts showing the fit-out costs. Alternatively, the landlord may carry out the fit-out works under prior agreements to the value of the incentive amount.

If you elect for a fit-out contribution, you should know the trigger event for how the landlord will pay. It is a standard requirement that the landlord will not pay a fit-out contribution until you have:

executed the lease;
provided the security required under the lease. For example, a bank guarantee or security deposit;
taken out the necessary insurance policies; and
submitted the plans and specifications for the fit-out work for the landlord’s approval.

The landlord may require you to produce several quotes for the fit-out work. In this case, the landlord may decide to pay the cheapest quote provided.

https://legalvision.com.au/what-are-lease-incentives/
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On initial lettings of commercial property it is standard market practice to allow the tenant an initial fitting out allowance, generally by way of a rent 
free period. This rent free period is intended, in theory, to reflect the tenant’s time and expense incurred in fitting out the premises but is rarely calculated by reference to the actual time or cost of 
the tenant’s works. In the case of retail units it has become common market practice to offer a standard three-month rent free period.

http://www.inhouselawyer.co.uk/legal-briefing/rent-free-fitt...

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