Before you buy in Israel, order the building file and check that the apartment actually matches its permit. What is built (an enclosed balcony, an extra room, a converted storeroom, a roofed-in space) often does not match the approved plans on file. Under Israel’s Planning and Building Law (1965), an unpermitted addition is treated as a continuing offense with no time limit, and the demolition order or fine attaches to the property, not to the person who built it, so it becomes your problem the day you close. A bank appraiser values only the legal, permitted area, so an illegal addition shrinks your mortgage: a 20 m² gap on a ₪25,000-per-m² apartment costs you ₪375,000 in extra cash (the worked basis is below). Order the building file (tik binyan) from the local committee, have a licensed engineer compare permitted square meters to measured reality, confirm the occupancy permit (Tofes 4) exists, confirm the storage, parking, balcony and building rights are registered, check the zoning use matches, and make the seller fix or disclose every gap in the contract. If the work cannot be legalized and the seller will not fix or discount it, that is your walk-away point.
This page is for a buyer checking an existing apartment, as a step inside the full guide to buying property in Israel, and it is one of the legal due-diligence checks on the legal checks and due diligence pillar. If you instead want to build or renovate and need to apply for a permit yourself, that is a different task with different queries, covered in how to obtain a building permit in Israel.
One line definitions you will need
- Tik binyan (building file): the property’s file at the local planning committee, holding the permits, approved plans, and building history.
- Tofes 4: the occupancy permit. Without it the space is not legally fit to live in or to connect to utilities. See the site’s guide to Tofes 4 for the detail.
- Building rights (zchuyot bniya): how many square meters the local plan lets this plot build. Work inside the rights can often be legalized; work beyond them usually cannot.
- Vaada mekomit: the local planning and building committee that issues permits and holds enforcement files.
Why a permit gap is the buyer’s problem, not the seller’s
Three risks travel with the property to whoever owns it next.
Enforcement risk. Under the Planning and Building Law (1965), a court (the Court of Local Affairs, under Article 212) can order an unpermitted structure demolished even years after it was built, and even with no criminal charge filed. Building without a permit is a continuing offense, so the usual time limits do not protect a later owner. An administrative demolition order can be issued quickly, sometimes without a hearing, for flagrant or recent work, and the city can keep enforcing in parallel even while you apply for a retroactive permit.
Financing risk. A bank’s appraiser will not count any area that lacks a permit. A 100 m² apartment with a 20 m² unpermitted addition is appraised as an 80 m² apartment. Because the loan is sized off the appraisal, the gap lands on your cash side, and some banks decline the file entirely when the registered and actual layouts diverge or when there is no Tofes 4.
Future sale risk. Your eventual buyer’s lawyer and bank will run this same check. An unresolved violation, or a size mismatch between the registry and the apartment, narrows your buyer pool and forces a price cut, the very one you should be demanding from the current seller now.
Step 1: Pull the approved plans and read them against the apartment
Order the tik binyan from the local committee (vaada mekomit) for the exact address. It holds the approved plans, the original permit, and any later permits. Then walk the apartment with the plans in hand and compare them to the actual layout. You are looking for two kinds of difference: added areas (floor space that exists in the apartment but not on the approved plans, such as an extra room, an extension, or a roof structure) and closed areas (open space that has been enclosed without a permit, such as a balcony walled in to make a room or a terrace roofed over). In practice that means a wall that closes off a balcony, a partition that splits one room into two, a roof terrace turned into a room, a basement or storeroom now used as living space, or a parking bay that is not assigned to the unit.
Cross-check the registered area too. The square meters in the land registry record (Tabu / nesach tabu) can differ from both the permitted area and the measured area; see what the Tabu and Land Authority record can reveal to match the file to the registered property. Three numbers should agree but often do not: registered m², permitted m², and the tape-measure m².
Step 2: Have a licensed engineer measure legal size vs actual size
An estate agent’s floor plan is not proof. A licensed engineer or surveyor measures the real layout, reads the approved plans, and tells you exactly which areas have no permit and by how many square meters: this is the legal size vs actual size gap. It is the single most useful number you can buy before signing, because it drives both the mortgage hit and the cost to fix. Book it as part of your engineering inspection (bedek bayit), not after.
Step 3: Check the storage, parking, balcony and building rights sellers call “comes with the apartment”
Storage rooms (machsan), parking spots, balconies, and roof rights are routinely described as included when they are not registered or not permitted. Confirm each one in the building file and the registry, not on the seller’s word.
- Storage rights: a machsan should appear as a registered unit or a registered exclusive-use area. An unregistered storeroom can belong to the building, not to you.
- Parking rights: a parking bay must be assigned to the unit in the permit and the registry. “Unassigned parking that comes with it” is not something you legally own and a bank will not finance it.
- Balcony rights: an open balcony (mirpeset) is permitted floor area; once it is walled in without a permit it becomes an illegal closure that the appraiser excludes.
- Building rights: any future or already-used right to add floor area must be confirmed in the local plan. An “extra room on the roof” with no permit is not floor space you are buying, it is a liability you are inheriting, and realizing genuine added building rights can later trigger a 50% betterment levy (heitel hashbacha) on the value uplift, normally the seller’s charge on sale but shiftable by contract.
Step 4: Confirm zoning and use compliance match reality
The permitted use must match how the space is actually used. A unit zoned for storage, commercial, or office use but lived in as a residence is a use (zoning) violation, even if the structure itself was permitted. Your lawyer confirms the use class in the permit and the local plan; this overlaps with the title check on the property registration and paperwork page.
Permit gaps to flag: missing, expired, or no occupancy
Not every problem is an addition. Watch for permit gaps in the file itself:
- Missing permit: an addition with no permit on file at all.
- Expired permit: a permit was issued but the work was never completed and signed off, or the permit lapsed.
- No Tofes 4: the building, or an added area, was built but never received its occupancy permit, so it is not legally fit to occupy or connect to utilities. Note that small works listed under Regulation 101 (minor cosmetic work, low fences, certain pergolas) are exempt from a permit, so a clean file does not mean every change was illegal: an engineer separates exempt minor works from real violations.
Illegal additions in depth: from unapproved construction to the walk-away point
“Illegal additions” is the umbrella for several distinct problems, and each one carries the enforcement, financing and resale risk above.
- Unapproved construction: a new room, extension, or roof structure built without a permit. The highest enforcement exposure.
- Unapproved closures: an open balcony, terrace, or shaft walled in to gain a room. The single most common violation in Israeli apartments.
- Unregistered changes: internal walls moved, units merged or split, where the layout was changed but never updated in the permit or the registry.
- Size mismatch: the registered, permitted, and measured square meters do not agree, so you are paying for area you do not legally own.
The downstream costs follow:
- Municipal risk: a demolition order or fine from the local committee, which can land on you as the new owner.
- Financing risk: a smaller appraisal and a smaller loan, or a refused file (the maximum first-home loan-to-value is 75% per the site’s mortgage guide, but the bank applies it to the legal area only).
- Future sale risk: the same red flag for your next buyer, narrowing demand and forcing a discount.
- Repair or removal cost: the bill to legalize the work or to tear it out (figures below).
- Contract disclosure: the clauses that make the seller responsible (covered below).
- Walk-away point: when a gap cannot be legalized and the seller will not fix or discount it.
Contract disclosure: put the gap in writing
A seller should disclose known defects, but do not rely on goodwill. Have your lawyer add three clauses: the seller declares the apartment matches its permit (or lists every known deviation); the seller is responsible for legalizing or removing any gap, with funds held back from the price until it is done; and the price drops by the legalization or removal cost if the seller will not resolve it. Your real estate lawyer drafts and negotiates these illegal-additions clauses.
Can it be legalized? The numbers that decide it
Some unpermitted work can be regularized with a retroactive permit; some cannot. Only a licensed architect or engineer can prepare and file the application (as-built plans, ownership proof, zoning maps), submitted through the national online system and reviewed by the local committee.
- Time: a few months to over a year; many municipalities run 9 to 12 months.
- Cost to legalize: tens of thousands of shekels. A 150 m² addition runs ₪40,000 to ₪50,000 in professional and municipal fees; large or complex cases reach ₪150,000 and up.
- Betterment levy (heitel hashbacha): if legalizing adds value, the municipality can levy 50% of the value uplift. This is usually the seller’s charge on realization but is negotiable, so settle who pays before you sign.
- When it cannot be done: work built into a public setback, or far beyond the permitted building rights, often cannot be approved at all. The realistic outcomes are then demolition or a price cut, not a permit, which is your walk-away signal.
Two worked examples (basis shown)
Worked example A: the mortgage shortfall on a 20 m² illegal addition. Take a ₪2,500,000 apartment of 100 m² (₪25,000 per m²) where 20 m² is unpermitted. The appraiser counts 80 m², so the appraised value is ₪2,000,000. A first-home buyer at the maximum 75% loan-to-value borrows against the lower number: ₪1,500,000 instead of ₪1,875,000. That is ₪375,000 of extra cash you must find, on top of the price. Basis: ₪25,000/m² × 20 m² gap at 75% LTV.
Worked example B: the all-in cost to clear a closed-balcony violation. Legalizing a modest addition is ₪45,000 in architect and municipal fees, plus a betterment levy of 50% on ₪120,000 of added value (₪60,000), for a total of ₪105,000, spread over 9 to 12 months during which enforcement can still proceed. If it cannot be legalized, swap that for removal cost plus the lost square meters. Basis: market fee ranges and the statutory 50% betterment rate. Use these to set the discount you ask for.
Common additions, their risk, and what they cost
| Addition type | Typical issue | Enforcement risk | Mortgage impact | Likely path / cost |
|---|---|---|---|---|
| Enclosed balcony (mirpeset) | Open balcony walled in as a room, no permit | Common target; demolition order possible | Area excluded from appraisal | Often legalizable; ~₪40k to ₪50k + betterment levy |
| Added room / partition | One room split, or extension built out | Moderate to high if it uses unbuilt rights | Excluded; bank may query the whole file | Legalizable if within building rights |
| Roof structure (on roof rights) | Room or pergola added on the roof | High when over permitted floor area | Excluded; sometimes blocks the loan | Sometimes legalizable, sometimes demolition |
| Basement / storeroom as living space | Machsan used as a bedroom | Use violation plus possible build violation | Not counted as living area | May need use change; can be refused |
| Unassigned parking | “Comes with it” but not registered | Low legally, but you may not own it | Not financed; value overstated | Confirm in registry; otherwise drop from price |
| Built into a public setback | Structure crosses the no-build line | High; demolition likely | Excluded | Usually cannot be legalized, walk-away point |
Fine ranges for reference: administrative fines run from a few thousand shekels to hundreds of thousands; reported examples put a ~20 m² violation near ₪25,000 and a ~100 m² violation near ₪200,000. Amounts vary and are sometimes negotiable.
Engineer and lawyer review: who does what
This check needs two professionals working together. The engineer (in the bedek bayit inspection) measures the apartment, reads the approved plans, and produces the legal-vs-actual square-meter gap. The buyer’s real estate lawyer orders and reads the building file and the title, confirms the zoning use, files the warning note, and writes the disclosure, hold-back, and price-adjustment clauses into the contract. Neither one alone is enough: the engineer finds the gap, the lawyer makes it the seller’s problem.
The buyer’s building-permit checklist
- Order the tik binyan from the local committee for the exact address.
- Walk the apartment with the approved plans; note every difference.
- Get registered m² (Tabu), permitted m² (permit), and measured m² (engineer) on one page.
- Confirm a Tofes 4 exists, including for any added area.
- Confirm storage, parking, balcony, and building/roof rights are registered, not just “included.”
- Check the permitted use matches how the space is used.
- Ask the committee whether any open enforcement file or order exists on the property.
- Price each gap: legalize (fees + possible betterment levy) or remove (cost + lost area).
- Put it in the contract: seller discloses, seller resolves before completion, or the price drops.
- If a gap cannot be legalized and the seller will not fix or discount it, walk away.
What is property-specific, and who reads it
The fee ranges and worked examples above are market figures and arithmetic. The values that change with the address are the building rights in the local plan, which Regulation 101 exemptions apply, whether an open enforcement file exists, and the betterment amount on any added value. A licensed engineer reads the building file and measures the apartment, and a buyer’s real estate lawyer reads the title, the zoning use, and the contract clauses, before you sign or pay anything.
FAQ
Can a bank refuse a mortgage over illegal additions?
Yes. The appraiser excludes unpermitted area from the value, which shrinks the loan, and some banks decline the file outright when the legal and actual layouts diverge or there is no Tofes 4.
Can illegal additions be legalized?
Often, if the work could have been approved in the first place and stays within the building rights. Work in a public setback or far over the permitted floor area usually cannot be legalized.
Who pays to remove or legalize them?
By default the current owner inherits the problem once they close, which is why this is a negotiation. Make the seller fix or fund it, or take the cost off the price. A betterment levy on added value is typically the seller’s, but the contract can shift it.
What is Tofes 4?
The occupancy permit. Without it the space is not legally fit for occupation or for utility connection. See the linked Tofes 4 guide.
Does the seller have to disclose unpermitted work?
A seller should disclose known defects, but do not rely on it. The building file and an engineer are how you find what was not disclosed, and a disclosure clause in the contract is how you protect yourself.
Sources
- Planning and Building Law (1965), demolition and enforcement provisions (Article 212; administrative demolition orders): gov.il and Israeli planning-law summaries.
- Regulation 101 exempt minor works: Jerusalem Municipality, Exemption from Building Permit.
- Legalization process, timelines, fees, betterment levy, and fine ranges: Israeli planning-law and conveyancing practice (2025).
- Mortgage appraisal excludes unpermitted area: Israeli mortgage and conveyancing practice; Semerenko Group mortgage and Tofes 4 guides.
- Betterment levy 50% of value uplift: Jerusalem Municipality, betterment taxes.
Next step
Have us order and read the building file before you sign, then hand off to the engineer and lawyer. Have us check the building file before you sign →