Booking Windows, Closures and What Actually Holds

The single most useful fact about booking the Reichstag is a constraint, not a tip.

The window, exactly

That is the whole horizon. So the advice you will read elsewhere — book two or three months ahead to be safe — describes something the form will not let you do.

Most people book flights further out than this. If you are one of them, you have two options: set a reminder for the day your month opens and take your chances, or book a commercial visit, which sells on a normal booking horizon.

What “booking” means here, and what it doesn’t

What you submit through the free route is a request. The Bundestag is explicit that your visit is not booked until a confirmation reaches you by email, fax or post, and no turnaround time is published anywhere.

It is also explicit about the odds. The wording on its own portal is that it is unable to guarantee that you will be able to visit the dome, and its printed visitor brochure asks you to offer up to three alternative dates — which tells you how often first choices are not available.

Registration takes surname, first name and date of birth for every visitor, by online form, fax or post. Telephone registration is not possible.

Visits bookable on normal notice

The chamber, the cupola and the government quarter on a date you pick rather than one you request. Dates below.

The 2026 closure calendar

Check this before anything else, because it overrides your booking either way.

Three further windows earlier in 2026 have already passed. These reset every year.

During a cleaning closure the roof terrace stays open — the Bundestag says so explicitly — and since the terrace carries the view over the Tiergarten and the government quarter, a closure costs you less than it sounds. What it does cost you is the ramp, the cupola and the audio guide, which is not offered while the dome is shut.

The closure nobody schedules

Four things can shut the dome on any given day regardless of the calendar: parliamentary business, special events, the weather, and the security situation.

In sustained heat the dome can close for safety, occasionally with the terrace, and the notice may only be available once you are standing there.

And then the line that ought to appear on every page about this building:

We are therefore unable to guarantee that you will be able to visit the dome. It is sometimes necessary to cancel a visit to the dome at the last minute, even if the visit has been confirmed in advance. Unfortunately, it is not possible for us to notify you of last-minute cancellations by email, telephone or fax.

That binds everyone — free registrations and commercial tours alike. No operator can sell you an exemption from it, and one claiming to is worth avoiding. What a booking does buy is the date; the building’s own discretion sits above that.

Turning up on the day

There is a walk-up route, and most guides describe it in the wrong place because it moved.

The Visitors’ Service runs a branch office — the Serviceaußenstelle — which issues passes from remaining capacity up to two hours before a slot, and can also book the following two days. It does not take longer-term bookings.

In August 2026 it moved to the centre of Platz der Republik, directly in front of the Reichstag. Approach from the north, along Paul-Löbe-Allee from the main station, is restricted by construction work.

No walk-up success rate is published, and Berlin’s tourism board notes that weekends are heavily booked and suggests going midweek. It is a reasonable thing to try if you are in Berlin anyway; it is not something to plan a day around.

The restaurant route

Käfer’s Dachgarten-Restaurant sits on the Reichstag roof, and its own booking page states that every reservation carries automatic access to the glass dome and roof terrace. You bypass the Visitors’ Service entirely.

A credit card holds the table, with free cancellation up to 24 hours before. Book at least a day ahead — your name and date of birth go to Bundestag security in advance, so this is not a same-day fix. Arrive fifteen minutes before your booking at the white security containers by the West entrance, with the same valid photo ID everyone else needs.

The restaurant runs 09:00 to 23:00 daily. There is also a weekend package pairing an aperitif with a 45-minute guided tour of the terrace and dome at €65 a head, fixed-date and non-cancellable. Note that a cleaning closure shuts the dome for diners too.

Booking rules and closure dates here are the Bundestag’s own published figures, checked 12 September 2026. The 2026 windows will not apply to 2027.