The question that opens most first meetings is "which neighbourhood should I buy in". It is not a legal question, and a law office is the wrong place to answer it. Ranking areas by "potential" is market forecasting dressed as advice.

There is a legal question that belongs here, and it is asked too rarely: what exactly is examined in this property, and why is it different from what is examined in another. Diligence on a new-build, on a flat in a 1950s block never registered as a condominium, and on a Jaffa property held on a lease from the Development Authority are three different pieces of work. The buyer who gets hurt assumed they were the same.

What follows maps those differences by property type and by the planning characteristics that go with an area. No prices, yields, rankings or forecasts appear below.

Older city-centre buildings: three checks a new building does not need

The condominium was never registered. Where most of the stock predates the 1980s, buildings never registered as condominiums are common. There is then no registration order and no registered bylaws, and the claim to a particular flat rests on an undivided share in the plot plus a co-ownership agreement, sometimes on nothing written at all. Chapter F1 of the Land Law, 5729-1969 (section 77A onwards) governs management until registration. The work is to establish whether a co-ownership agreement exists, whether it was registered under section 29, and whether the attachments the seller describes, parking, storeroom, roof, yard, rest on a document or only on long practice.

Unused building rights. Development rights may remain unexercised. They generally belong to all the flat owners rather than to the owner of the top or ground-floor flat, unless bylaws or agreement say otherwise; section 71B of the Land Law governs decisions on extending a flat by a qualified majority. A buyer who paid assuming he was "also buying the roof" sometimes finds he bought a right the seller did not hold.

The gap between what is built and what is permitted. The municipal building file shows what was authorised; the visit shows what stands. An enclosed balcony, a unit split in two, a basement converted to living accommodation, each affects value, lending, and exposure to enforcement proceedings under the Planning and Building Law, 5725-1965.

Property in a listed building

Conservation is a binding planning constraint, not an aesthetic footnote. The Fourth Schedule to the Planning and Building Law governs designation of sites for conservation and the restrictions that follow. Much of central Tel Aviv falls within the "White City" site, inscribed on the UNESCO World Heritage List in 2003.

Diligence changes accordingly: what level of conservation was imposed, and whether it reaches the interior or only the facade; which works need consent and from whom; whether restoration obligations remain outstanding; and whether the building received development rights in exchange for conservation commitments. A designation runs with the property and is not cleared by a change of owner.

A flat in an urban renewal project: the rights at each stage

Here the distance between what a buyer thinks he acquired and what he acquired is widest, because "a building in renewal" describes wholly different situations. The field is governed by, among others, the Evacuation and Rebuilding (Encouragement of Evacuation and Rebuilding Projects) Law, 5766-2006, the Land Law (Strengthening of Condominiums against Earthquakes), 5768-2008, and the Governmental Authority for Urban Renewal Law, 5776-2016.

A separate issue is the dissenting owner: the legislation allows, on conditions, an unreasonable refusal to join an evacuation-and-rebuilding transaction to found a damages claim against the refuser. A buyer entering a building with live objections enters an unresolved dispute, and the contract must say who carries it.

Property occupied by a protected tenant

The Tenants' Protection Law [Consolidated Version], 5732-1972 entitles a protected tenant to remain in possession, caps the rent collectable, and regulates the division of key money. Eviction is available only on a ground listed in section 131, and the court may decline to order it even where a ground is proved. Whether a "continuing tenant" inherits the protection is a further question.

Such a property is sometimes marketed without the phrase appearing at all, the seller says there is "a long-standing tenant". The distinction is fundamental: an ordinary tenant is subject to the Rental and Loan Law, 5731-1971 and to the lease term; a protected tenant is not. Diligence covers the tenancy documents, the key-money history, and any ground for eviction.

Israel Land Authority leasehold against private freehold

Much of the land in Israel is Israel Lands under Basic Law: Israel Lands, 5720-1960, administered by the Israel Land Authority under the Israel Land Authority Law, 5720-1960. What is sold is then a lease, not freehold, producing checks with no freehold equivalent: when the term ends and on what renewal terms; whether the lease is capitalised or periodic payments remain due; whether consent fees are payable on transfer; and what use the lease permits, which is not necessarily the use being made. Transfer requires the Authority's consent, and a transaction signed without establishing those conditions can stall after money has been paid.

Jaffa: the layered rights to understand before signing

• Development Authority interests. Many Jaffa properties were vested in the Development Authority under the Development Authority (Transfer of Property) Law, 5710-1950, with origins that may connect to the Absentees' Property Law, 5710-1950. Who holds the registered interest today, and what is actually being sold, both need establishing.
• Historic leases and managing companies. Some rights are administered by a state housing company rather than on the Land Registry: title is evidenced by a confirmation of rights, and the lease terms live in a contract.
• Protected tenancies. More common than the city average, including in buildings renovated to present as ordinary flats.
• Unregistered condominiums. Many co-owners on one plot, no registration order, no allocation of flats, attachments resting on old agreements.
• Conservation. Parts of Old Jaffa and the historic fabric carry conservation restrictions on top of everything above.

The combination creates the risk, not any single element: a lease from a public body, in a building never registered as a condominium, with a protected tenant on the ground floor and a conservation restriction on the facade, four regimes, each affecting what the buyer ends up holding.

A new flat from a developer

Here the rights are clearer and the protection statutory. The Sale (Apartments) Law, 5733-1973 governs the specification, disclosure, non-conformity, and the defects and warranty periods. The Sale (Apartments) (Assurance of Investments of Apartment Purchasers) Law, 5735-1974 prohibits taking funds beyond a minimal proportion without security, section 2 listing the permitted forms, principally a bank guarantee. Diligence concentrates on the specification against the sale drawings, the guarantee matching each instalment, and delivery dates and agreed compensation for delay.

The practical point

Location determines characteristics, not desirability. Each property type above generates its own list of documents and its own way of going wrong, and the diligence follows from the characteristics. The decision whether to buy belongs to the buyer.