Form 4 — The Occupancy Permit: What It Is, When You Need It and How to Get It

A building can look completely finished — painted walls, working elevators, a tiled lobby — and still be prohibited for occupancy under the law. The factor that separates "looks ready" from "permitted to occupy" is one document: Form 4 (occupancy permit). This is the approval issued by the licensing authority — the local planning and building committee — which confirms that construction was completed in accordance with the building permit and that the building is fit for occupancy. Without it, not only is occupancy prohibited: the utility companies will not connect the building to electricity, water and sewage on a permanent basis. This guide explains what Form 4 really means, when it is required, what is usually needed to obtain it, and where people stumble along the way — with one important emphasis that recurs throughout: the exact requirements vary from one planning district to another and from one building type to another, and you should always verify against the relevant local committee.

What Form 4 is — an occupancy permit, not "another piece of paper"

Form 4 is the occupancy permit (or a "completion certificate" at a certain stage in the process, depending on the planning district). It is issued by the licensing authority — usually the local planning and building committee — and its purpose is to confirm two substantive things: first, that the construction was actually carried out in accordance with the building permit that was granted; and second, that the building has reached a state in which it is fit and safe for occupancy.

This distinction is important. Form 4 is not an empty formal approval that marks the contractor "finished working." It is a substantive confirmation that the structure built matches the approved plans — that no additional floor was built without a permit, that uses were not changed, and that safety components that were a condition of the permit are not missing. In this sense, Form 4 is the control point at which the authority verifies that what was approved on paper is what was built on the ground.

It is worth remembering that the exact terms and stages — Form 4, completion certificate, occupancy permit — may be called and arranged slightly differently between different local authorities and between different construction types. The shared principle is identical: there is a formal stage at which the authority approves occupancy, and before it, occupancy does not take place.

Why does such a document exist at all? Because between the approval of the plans and the finished structure lies a long road in which much can change. The name "Form 4" itself hints that it is one link in a formal sequence of documents that accompany the construction from its beginning to its end — each one marking a stage and a condition. The occupancy permit is the stage at which the authority verifies that the final result is fit for human beings: not just that the structure stands, but that it is safe, accessible as required, and connected to the systems that make life and work inside it possible. In other words — this is the moment when responsibility passes from "construction site" to "occupied building."

Why it is so critical — legal occupancy and permanent connections

You can think of Form 4 as the "key" to two things without which the building does not truly function: the right to occupy it, and the connection to permanent infrastructure.

Legal occupancy

The direct meaning of Form 4 is that only after it is occupancy of the building and its lawful use permitted. Occupancy before receiving the permit is not merely a procedural risk — it may expose the building owner and whoever occupies it to liability and enforcement proceedings, and complicate any future transaction or activity that relies on a proper legal status of the asset.

Permanent connections — electricity, water, sewage

This is the practical aspect on which those who dismiss Form 4 get "stuck" fastest. The utility companies — electricity, water and sewage — as a rule do not provide a permanent connection without the occupancy permit. During construction there may be a temporary connection for the work, but the transition to permanent electricity, permanent water and sewage requires that the building be approved for occupancy. Without Form 4, the building may remain dependent on a temporary supply — an expensive, limited and unstable solution that is unsuitable for real occupancy over time.

In practice, these two aspects turn Form 4 from a "bureaucratic paper" into an operational threshold condition: without it the building is not permitted for use and is not properly connected to infrastructure — meaning it is not truly occupiable, even if it looks perfect.

It is worth pausing on the electricity point, because this is where the most people stumble. During construction it is customary to work with a temporary electrical connection adapted to the site's needs. Such a connection is not built to fully power an occupied building over time — it is limited in scope, sometimes more expensive relative to the use, and is not the solution you want to rely on when there are tenants, working systems and people inside. The transition to permanent electricity is what enables stable, continuous operation of the building, and it is, as a rule, contingent on the occupancy permit. So the notion of "we'll occupy now and sort out Form 4 later" shatters quickly against reality: without the permit, there is no permanent supply, and without permanent supply, there is no real occupancy.

Where Form 4 sits in the permit lifecycle

To understand Form 4 you have to see it within a sequence. In principle, the construction path looks like this:

1. Building permit: the local committee approves the plans and issues a permit. This is the legal starting point of the construction.
2. Construction: the actual execution, accompanied by a supervising officer / engineer and under oversight in accordance with the permit's requirements.
3. Completion and approvals: finishing the works and obtaining the required approvals and inspections from the relevant parties (as detailed below).
4. Form 4 — occupancy: the authority examines that the construction matches the permit and that everything required was completed, and issues the occupancy permit.

A point that is important not to confuse: business licensing is a separate track. Even after Form 4 is received and the building is lawfully occupied, a business that wishes to operate within it will generally be required to undergo its own business licensing process — with its own requirements, approvals and approving parties. Form 4 deals with the building's fitness for occupancy; business licensing deals with the fitness of the specific business activity. We expanded on the business side in the business licensing checklist for an office building.

What is usually needed to obtain Form 4

Here it is important to exercise caution: there is no single universal mandatory list that applies to every building in every authority. What is actually required depends on the building type, its scope, the planning district and the local authority. Still, as a rule, obtaining Form 4 rests on a combination of approvals and certainty that the construction matches the permit. Among the components often required, to the extent they are relevant to the specific building:

• Approval of the supervising officer / engineer: approval from the professional party who accompanied the construction, attesting that the works were carried out and completed in accordance with the permit and the standards.
• Fire approval: approval from the Fire and Rescue Authority regarding the fire safety measures in the structure, to the extent required for the building type.
• Accessibility: addressing the accessibility requirements applicable to the building, according to its type and uses.
• Approvals from additional parties: depending on the case, additional approvals from various bodies may be required (for example regarding infrastructure, sanitation or unique requirements of that planning district).
• Conformity to the permit: and above all — the authority's verification that the actual construction matches the building permit: the same structure, the same uses, the same components that were approved.

The central message here is twofold. First, the exact composition of the approvals — and who the approving parties are — varies between authorities and building types, so you should clarify the binding list against the relevant local committee and not rely on a general list. And second, many of these approvals are not a one-time event but the starting point of an ongoing obligation — the fire approval, for example, is in most cases an approval that must be renewed throughout the building's life. We expanded on this in the annual fire approval renewal checklist.

Why it gets delayed — common obstacles on the way to Form 4

Delays in obtaining Form 4 almost always stem from the same recurring patterns. Knowing them in advance is half the solution:

• Non-conformity to the permit: changes made on site without being updated in the permit — a wall that was moved, a use that was changed, an area that was added. Every such gap stops the approval until it is resolved.
• A missing approval from one party: it is enough for one approval — fire, accessibility, a professional party — not to be completed or to have expired, to stall the entire process. Form 4 is as strong as the weakest link in the chain of approvals.
• Open execution deficiencies: deficiencies found in inspections that were not closed — a safety component that was not installed, a system that was not demonstrated as functioning — delay the approval until they are addressed and documented.
• Poor coordination of parties: when every professional party "ticks off" its own part but no one holds the full picture, approvals expire, inspections are postponed, and documents are lost — and the building reaches the authority incomplete.
• Missing documentation: even when everything was actually done, the absence of orderly documents proving it can delay issuance. The authority approves against documents, not against promises.

The common denominator of all these: Form 4 does not fail because of one big thing, but because of an accumulation of open details that no one centralized. The more orderly the coordination and documentation throughout the construction, the smoother the transition to approval.

There is also a timing aspect here that is easy to miss. As a rule, the road to Form 4 is built during construction and not only at its end: approvals are collected gradually, deficiencies are closed the moment they arise, and orderly documentation of every stage is kept. Anyone who leaves all the approvals to "the end" sometimes discovers that one approving party requires time, that an approval obtained early has already expired, or that an old deficiency requires returning to the site — and all of these push back the actual occupancy date. For this reason, treating Form 4 as an ongoing process that accompanies the construction, and not as "a form you fill in at the end," is exactly the difference between occupancy on time and occupancy that gets stuck.

What this means for an owner or manager receiving a new building

For anyone taking over the management of a new building — an asset owner, a building manager or a management company receiving an asset for handover — Form 4 is one of the first things to verify, not one of the last. Receiving a "ready" building that does not have a proper occupancy permit is a problem that rolls forward: it affects the ability to lawfully occupy tenants, the permanent connections, and every future dealing that relies on a proper legal status of the asset.

In practice, when receiving a new building it is worth verifying a few basics: that Form 4 was indeed received and filed; that the approvals that underpinned it (fire, accessibility and the rest) exist and are valid; that there are no open deficiencies carried over from the handover; and that an orderly document file exists that can be relied on going forward. It is important to remember that some of the approvals that underpinned Form 4 are ongoing — receiving the initial approval does not exempt from periodic renewals throughout the building's life.

This is exactly the moment when an orderly handover makes the difference. We expanded on what to check and receive in the handover of a new building in the first-year building guide, and on the full handover process in the office building handover checklist. These two, alongside verifying Form 4, are the basis for a quiet entry into managing a new asset.

From Form 4 to ongoing management — the line that continues forward

It is easy to think of Form 4 as the "finish line" of construction, but it is more accurate to see it as the starting line of management. The moment the building is lawfully occupied and connected to permanent infrastructure, an entirely new stage begins: ongoing maintenance, periodic renewal of approvals, oversight of the safety systems, and managing the relationship with the authorities and suppliers. The approvals that underpinned Form 4 do not disappear — many of them become ongoing obligations that accompany the building throughout its life.

Therefore, a smart building owner or manager treats Form 4 not as a one-time event but as a starting point for a living, orderly building file — from which the approvals schedule, the periodic inspection schedule, and the documentation are derived. Anyone who builds this infrastructure correctly right at the start saves themselves the panics of approvals that expire at the wrong moment. For a broad review of regulation, licensing and maintenance topics in one place, see the Knowledge Hub.

At Domera we accompany owners and managers in entering a new asset: verifying the occupancy permit and the approvals that underpin it, building the building file and the approvals schedule, and managing the periodic renewals over time. See more in the business licensing checklist and the first-year building guide, or get a quote for handover and asset-entry support.