Israel’s E1 Settlement Plan: Why the West Bank Corridor Threatens the Two-State Solution

E1 sits across one of the narrowest and most politically sensitive parts of the West Bank. If the project is built, it would make a continuous Palestinian territory between the north and south of the West Bank substantially harder to maintain, while tightening the connection between Ma’ale Adumim and Jerusalem.

That is why governments that have spent decades treating the territorial basis of a two-state settlement as negotiable are now confronting a more basic problem: whether there will still be a geography that can be negotiated.

The map matters more than the number of homes

The 1,234 units now offered to bidders are part of a larger master plan approved in August 2025 for 3,401 homes. The number itself is less important than where those homes are planned.

E1 occupies the corridor between East Jerusalem and Ma’ale Adumim. Development there would divide the northern West Bank, centred around Ramallah, from the southern part around Bethlehem. It would also isolate East Jerusalem from much of its Palestinian hinterland.

For a future Palestinian state, that is not a minor inconvenience. Roads, housing and urban growth depend on physical continuity. A Palestinian entity divided into disconnected areas would have a very different economic and political structure from the contiguous state envisaged by international diplomacy.

The project has therefore long been treated as a particularly sensitive test of whether the two-state framework remains physically possible. The plan was first drafted in the 1990s under Prime Minister Yitzhak Rabin to connect Ma’ale Adumim with Jerusalem. Successive US and European governments helped keep residential construction in E1 frozen for almost three decades precisely because of its implications for peace negotiations.

That restraint is now weakening.

The Israeli government approved the wider E1 plan last year. Finance Minister Bezalel Smotrich described its purpose in terms that leave little ambiguity, saying it was intended to ensure that the idea of a Palestinian state was “erased”. On August 20, he again said the project was explicitly designed to prevent the creation of a contiguous Palestinian state.

Foreign Minister Gideon Sa’ar has offered a different description, arguing that the current process merely implements decisions completed in 2025 and defending a historic Jewish right to settle across what he calls the “Land of Israel”. The government has not indicated that the October tender process will be suspended.

The disagreement is therefore not simply about whether a new policy has been announced. It is about whether an earlier political decision is now being converted into permanent physical reality.

A policy moving from expansion to integration

E1 also makes sense as part of a wider change in settlement policy.

During the regional conflict involving Iran, international attention has been concentrated on military operations and wider security risks. Yet Israeli authorities have continued approving land-use measures in the West Bank. On April 10, 34 additional settlement outposts were approved.

The significance lies in the combination of these decisions with major infrastructure and housing projects. Settlement expansion is no longer only about adding isolated communities. Projects such as E1 can connect existing settlement blocs to Jerusalem and alter how the territory functions.

Israel has around 160 official settlements in the West Bank and East Jerusalem, housing roughly 700,000 Israeli citizens alongside an estimated 3.3 million Palestinians. In that context, a project that joins a major settlement bloc to Jerusalem has consequences far beyond the number of apartments included in a single tender.

The effect is cumulative. Once roads, housing and administrative links are established, reversing them becomes substantially harder. A future negotiating government would not be dealing with an empty stretch of land. It would be dealing with infrastructure, residents and an altered urban landscape.

That is what gives E1 its political force.

Europe is changing the language of its response

The reaction from Israel’s Western partners is also significant because it moves beyond familiar diplomatic condemnation.

The seven governments did not simply call the settlement plans unacceptable. They warned private companies against taking part in the tenders, pointing to legal risks, reputational damage and potential liability under international humanitarian law.

That warning changes the audience.

For years, the principal target of Western objections to settlement expansion was the Israeli government. E1 now puts construction companies, contractors and other commercial actors directly into the dispute. The tender deadline is October 19, eight days before Israel’s general election, giving potential bidders a clear political and legal timetable.

The UK has gone further. Foreign Secretary Ed Miliband summoned Israel’s chargé d’affaires and signalled a wider package of targeted sanctions against individuals associated with illegal settlement expansion.

This is a different form of leverage from diplomatic protest. If private companies begin to face the prospect of legal exposure or sanctions for participating in settlement infrastructure, the cost of implementing policy can extend beyond the government making the decision.

The legal dispute is itself longstanding. Article 49 of the Fourth Geneva Convention prohibits an occupying power from transferring parts of its own civilian population into occupied territory. The position has been reinforced by UN Security Council Resolution 2334 and the International Court of Justice. Israel disputes the characterisation of the West Bank as occupied territory under classical international law and rejects the interpretation applied by its critics.

What has changed is not the existence of that disagreement but the willingness of Western governments to attach possible consequences to commercial participation.

The election adds another layer

The timing of the tenders is politically difficult to separate from Israel’s October 27 election.

The bids close on October 19. By then, the tender process will be only days from the vote, making a reversal politically costly for a government committed to deepening Israeli control over the West Bank.

There is no evidence in the briefing that the tender timetable was chosen specifically for electoral reasons. But the calendar matters regardless. Once a project moves from planning approval to a competitive construction process, it becomes harder to treat it as a theoretical policy option.

That is particularly important because Palestinian Bedouin communities living in the area and Israeli peace organisations have already challenged the project in the Jerusalem District Court. Their case was filed in June, with the state expected to respond in September. The Housing Ministry nevertheless proceeded with the tenders.

The legal challenge and the tender process are therefore advancing simultaneously.

The limits of diplomatic pressure

The seven governments have demonstrated that opposition to E1 can still be coordinated across major European states and North American allies. The UN secretary-general and Belgium have issued separate warnings, while Germany has publicly criticised the plan and Britain has threatened sanctions.

But the Israeli response points to the limits of that pressure.

Sa’ar has rejected the criticism as one-sided and asserted that foreign governments have no authority over Israel’s housing policy. Smotrich has made the strategic objective even clearer: E1 is being pursued precisely because it makes the creation of a contiguous Palestinian state more difficult.

That leaves Western governments facing an uncomfortable gap between diplomatic preference and physical reality.

For decades, the two-state framework survived partly because the most consequential territorial questions remained open. E1 was one of the clearest examples. Governments could still argue that borders, Jerusalem, and settlements might eventually be resolved through negotiations because the underlying geography had not been fully fixed.

Construction changes the nature of that argument.

If E1 is built out, international diplomacy would still be able to demand a Palestinian state. What becomes harder is describing the territory needed for such a state as something that can simply be restored through negotiation.

The central question is therefore no longer whether Western governments can issue another condemnation. They clearly can. It is whether they are prepared to impose enough economic and legal costs on the companies and individuals involved to affect a project that Israel's government has explicitly linked to its long-term territorial strategy.

That is the tension now embedded in the October 19 deadline: Western governments are defending a negotiated map while Israel is using construction to redraw the one on which those negotiations would have to take place.

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