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Office fit-out in Brussels

Open plan office with light timber workstations

Design Plus designs and delivers complete office interiors in Brussels and across Belgium: workplace analysis, space planning, design, construction, furniture and relocation. One contract, one contact, a budget that holds. Projects from 100 to over 5,000 sqm.

What a turnkey fit-out covers

We handle space programming, design and technical drawings, detailed costing, trade coordination, furniture supply and installation, and relocation. You follow a single schedule and a single budget.

What office fit-out costs in Brussels

In Brussels, allow EUR 1,038 per sqm for a basic fit-out, EUR 1,661 for medium and up to EUR 2,535 for high specification (source: Cushman & Wakefield Fit Out Cost Guide 2026).

Refurbishing while occupied

When moving is not an option, we work in occupied buildings, zone by zone and phase by phase, with out-of-hours, weekend or holiday works. Your teams keep working.

Frequently asked questions

Frequently asked questions

How long does an office fit-out take?
Six to ten weeks for a 300 sqm floor, four to six months for 1,000 sqm and above.

Let us talk about your project.

Tell us your floor area, your deadline and your constraints: we come back within 24 working hours with a first estimate and a site visit proposal.