What can you build in Steenokkerzeel?

What you can build in Steenokkerzeel depends on the plan that covers your plot – the regional zoning plan (gewestplan), a spatial implementation plan (RUP) or a special development plan (BPA) – and on 9 planning regulations: 1 from Steenokkerzeel itself, 2 from the province of Flemish Brabant and 6 from the Flemish Region. The register lists 16 plans for Steenokkerzeel.

At a glance

Find out for free what you can build on your plot in Steenokkerzeel

How much can I build in Steenokkerzeel?

That depends on the plot: the zoning plan that applies (the regional zoning plan, a RUP or a BPA), the regulations and what is there now. The Perceelscan works it out for each address: how many m² of floor area may legally be built, and how many are already built.

Do I need an environmental permit in Steenokkerzeel?

For most works, yes: building, renovating, demolishing and splitting a dwelling generally require an environmental permit (omgevingsvergunning, formerly called the building permit or planning permit), which you apply for through the Omgevingsloket portal. Some minor works are exempt or only require a notification: vlaanderen.be sets out the rules. For each address, the Perceelscan also shows the existing permits.

Can I demolish and rebuild in Steenokkerzeel?

Demolition usually requires an environmental permit. What you may build afterwards is determined by the plan and the regulations that apply to the plot; heritage status, a plan in preparation or an expropriation can stand in the way. The Perceelscan sets it all out for each address.

Can I split a dwelling into several units in Steenokkerzeel?

In Steenokkerzeel, the regulation ‘Meergezinswoningen’ applies to this. For each address, the Perceelscan tells you which regulations apply to the plot. Splitting a dwelling into several dwellings generally requires an environmental permit, even without any building works (see splitting a dwelling on vlaanderen.be).

How many parking spaces must I provide in Steenokkerzeel?

For Steenokkerzeel, the register lists no municipal regulation on parking; the plan and the regional rules then apply, and the permitting authority decides on a case-by-case basis.

Do I need to install a rainwater tank in Steenokkerzeel?

Often, yes, when you build, rebuild or extend a building or a paved surface: the regional regulation on rainwater (2023) then sets rules for collecting and reusing rainwater, letting it soak into the ground or buffering it. Which measure your project requires depends on its surface area. In the province of Flemish Brabant, the regulation ‘Provinciale verordening hemelwater’ also applies.

Where can I find the spatial implementation plans (RUPs) for Steenokkerzeel?

In the register of plans and regulations (DSI) of the Departement Omgeving, with 16 plans for Steenokkerzeel (RUPs, BPAs and others). Where no RUP or BPA applies, the regional zoning plan (gewestplan) determines the zoning. For each plot, the Perceelscan names the plan that applies, with the zone and a link to its provisions.

The planning regulations of Steenokkerzeel

Provincial regulations (Flemish Brabant)

What applies throughout Flanders

What the Perceelscan checks for each plot in Steenokkerzeel

• The plan that applies: a municipal, provincial or regional RUP, a BPA, an APA or the regional zoning plan, with the zone and a link to its provisions.
• The regulations that apply to that plot: a regulation may also apply to only part of the municipality.
• How many m² of floor area may legally be built, and how many are already built.
• Plans and regulations in preparation, and expropriation plans.
• Heritage: protection, the established inventory and archaeological zones.
• Flood risk (P-score and G-score), signal areas (signaalgebieden) and PFAS zones.
• Right of pre-emption, nature, Seveso sites and sewerage in the street.
• Environmental permits on the plot and next door.

Find out for free what you can build on your plot in Steenokkerzeel

Building near Steenokkerzeel

• What can you build in Machelen?
• What can you build in Vilvoorde?
• What can you build in Kampenhout?
• What can you build in Zaventem?
• What can you build in Kortenberg?
• What can you build in Zemst?

Source: DSI, the register of plans and regulations of the Departement Omgeving, retrieved on 5 October 2026. Each regulation’s record contains its full text.

Updated on 11 October 2026