Building-permit checks before buying property: the permit is the start of verification, not the final certificate
A building permit, or Yapı Ruhsatı, is a core document connecting a proposed building to a defined parcel and to approval by the competent authority at the time of issue. Its existence, however, does not automatically prove that the building standing today matches the permit, that later alterations were approved, or that the building has an occupancy/use permit. A buyer should therefore examine the permit as part of a chain that also includes title identity, cadastral parcel, approved project, physical building condition and occupancy documentation where applicable.
Start with the property identity, not a permit photograph
Before reading the permit, establish the exact asset: province, district, neighbourhood, ada/parsel, building/block and independent-unit number for an apartment or commercial unit. Reconcile those identifiers with the permit and approved project. If the parcel was later subdivided, merged or renumbered, understand the documentary sequence rather than assuming a match because the street address is similar. Street naming can change; cadastral and registry identity is usually the stronger anchor.
Read the permit date and scope
Check the issue date, issuing authority, type of construction, permitted floors or relevant area data and recorded use. A property may have an original permit followed by amendment, renewal or other later approvals. Do not stop at the earliest paper if additions or significant changes occurred. Ask for the relevant sequence when the physical building differs from drawings or when many years passed between the original approval and the current condition.
Match the permit to the approved project
The building permit sits alongside the approved architectural and technical projects. For a buyer, the key task is to confirm that the unit being purchased is located where the approved documents place it and that its floor, number and principal boundaries are coherent. If two apartments were combined, one unit subdivided, a balcony enclosed, a mezzanine added or a part of the building converted to another use, the seller’s statement that the work is “old” or “common in the building” is not enough. Determine whether the alteration is actually approved.
Do not confuse the building permit with occupancy/use permission
The building permit authorises construction under defined conditions. The Yapı Kullanma İzin Belgesi, commonly associated with occupancy/use permission, concerns a later stage when the completed structure is recognised for use under the applicable process. One document does not automatically prove the other exists. For a completed building, a buyer should therefore review occupancy status as a separate item, particularly where title form, financing or utility arrangements depend on it.
Use current official sources
The Ministry of Environment, Urbanisation and Climate Change explains that the e-Plan automation environment integrates spatial-plan data and includes a building-permit query function for authorised use, while the licensing municipality or other competent authority remains central to the specific building file. Do not rely only on an unattributed PDF or image supplied by a broker. Where the permit is material to the transaction, obtain an official copy, municipal confirmation or other reliable evidence from the competent record.
Check alterations made after the permit
A building can begin with a valid permit and then change. Compare the actual number of floors, balconies, façade, commercial uses, entrances, storage areas and common spaces with the approved information. Some changes are duly authorised; others require correction or remain non-compliant. A buyer cannot determine the legal consequence from visual inspection alone. The change must be tied to a later permit, approved amendment or appropriate professional explanation.
Do not equate building age with document quality
An older building is not automatically unlicensed, and a new building is not automatically complete in its documentation. The useful test is whether the file forms a coherent sequence from original permit to the present condition. Older properties may have documentary formats different from those used in current digital systems. Avoid judging a decades-old building only by a modern checklist; obtain municipal or professional interpretation of what applied at the time of construction.
A permit is not a current structural-safety certificate
Permit issuance means a project was submitted and approved under the rules then applicable. It does not prove the present condition of concrete, reinforcement, waterproofing or later structural changes, and it is not a current earthquake-resistance certificate. Significant cracking, structural alterations or a high-value purchase may justify separate qualified engineering review. Legal-document review and technical condition review are complementary, not substitutes.
Connect the permit finding to the purchase decision
Where the unit, permit and project reconcile, the permit check supports transaction confidence. Where a material inconsistency appears, do not reduce it immediately to a price discount before understanding its effect. Some discrepancies may be correctable; others can affect finance, insurance, permitted use or resale. Decide before signing what the seller must cure, what evidence must be delivered and what finding would cause the buyer to walk away.
Keep a dated audit file
Preserve the permit or its official reference, project pages relevant to the unit, later amendment permits, occupancy evidence, photographs of the actual condition and notes from municipal verification. Record the date of the check because the administrative file can evolve. A strong building-permit review does not end with “a permit exists”. It answers whether that permit belongs to this property, whether today’s building and unit are consistent with it and what still requires explanation before acquisition.