Segaar-Arsenaal Redevelopment

Last updated on: August 26, 2026

The new Park Arsenaal residential neighborhood, comprising 100 homes, will be built on the Segaar-Arsenaal site. The site is located in the Noord-Hofland neighborhood between Leidseweg and Korte Vliet, south of Trompweg.

The construction sign

The two apartment buildings together will provide 44 social rental apartments, 30 of which will be low-income housing and 14 will be mid-range rental units. In addition, there will be 6 duplexes (affordable for-sale units), 49 single-family homes, and 1 detached home. The park will also be improved. Preparatory work has already begun. 

Latest news

Route for Construction Traffic

At the information session on July 9, 2026, local residents expressed their preference for an alternative route for construction traffic. Later that month, Niersman met with the affected residents. The municipality then reviewed all the arguments once again. We are sticking to the chosen route. In this message, we would like to explain why we are doing so.

Selected route

The municipality opted for the so-called North-North Route. Traffic safety is the main reason for this decision. An additional reason is that the municipality does not expect any road closures on this route in 2027 and 2028. As a result, construction traffic will not be disrupted.

Map of the selected route

Alternative route

The alternate route will be closed periodically in 2027 and 2028. This is necessary, among other things, to modify the intersections of Leidseweg with Bachlaan and Mozartlaan, to perform major maintenance on the bridges over the Korte Vliet, and to carry out major maintenance in Adegeest.

Map of the alternative route

Want to know more?

Niersman will host another information session in early September. The municipality will also be present. If desired, the municipality will provide further clarification on the decision that evening.

Council of State Ruling

On March 6, 2026, the Council of State declared the appeal against the Segaar-Arsenaal zoning plan unfounded. This clears the way for the realization of the homes on the site. Preparatory work on the site has now begun. 

BLVC Plan

In the documents at the bottom of this project page, you will find Niersman’s Plan for Accessibility, Quality of Life, Safety, and Communication (BLVC Plan).

Planning

  1. Completed: Quarter 2, 2025 – Quarter 3, 2025

    Preparation

  2. Completed: Quarter 2, 2025 – Quarter 2, 2026

    Clean Up

  3. Currently in progress: Quarter 3, 2026 – Quarter 1, 2027

    Site Preparation

  4. Still to be done: Starting at the end of the first quarter of 2027

    Housing Construction

  5. Still to be done: Starting in the third quarter of 2028

    Preparing the site for residential development

  6. Still to do: Around 2031

    Project Complete

enrol as a home seeker

The 44 public housing units are allocated through Huren in Holland Rijnland. Would you like to be considered for a rental unit? Health you’ll find enrolled there.

The homes for sale are being marketed through Niersman. For more information about the homes for sale, visit www.parkarsenaal.nl.

Contact and More Information

Do you have any questions about the redevelopment of Segaar-Arsenaal? If so, please contact Erik Bijlsma, project manager for the municipality of Voorschoten. He can be reached at14071.