01Karaoke
Fri & Sat from 8 pm. More than 50,000 songs, 30 languages, the stage is yours.
Karaoke & booking
SEELZE-LETTER · NEAR HANOVER
Green Barrel
Karaoke Entertainment & Sports Bar
Mic on, stage free: at Green Barrel in NAVO, Seelze-Letter, we sing, laugh and party every Friday and Saturday – bar from 7 pm, karaoke from 8 pm. More events and theme nights on request.
Nico-Flatau-Platz 4 · 0152 01551112
Every Friday & Saturday
Karaoke at Green Barrel
Bar from 7 pm, karaoke from 8 pm until open end. Evolution karaoke with more than 50,000 songs in 30 languages – from the first song to the whole bar singing along.
One barrel. Three experiences.
Karaoke, sports bar and bowling lanes belong together – all at Green Barrel in NAVO.
0102Sports Bar
Big screens, fresh draught beer, cheering together. Sports on Sky planned from 1 Nov 2026 – activation being checked, dates on request.
Plan a sports night with your team
03Bowling lanes
Two classic double lanes – four single lanes. Room incl. lane from €25/hr, minimum spend €10, children up to 9 & seniors 65+ only €5.
Prices & book a laneGet a price instantly
Estimated price
€337.00
Room hire: €97.00
Minimum spend (counted against food & drinks): €240.00
Non-binding estimate. The team confirms availability and final price.
Packages
Room incl. bowling lane
ab 25 €/hWed–Sat until 9 pm €29/h, Sun/Mon €25/h, from 9 pm €39/h. Plus minimum spend per person per hour: adults €10, children up to 9 €5, under 5 free. Closed Tuesdays.
Regular groups & clubs
on requestBowling regularly? Reduced rates on request.
Karaoke & sports bar
on requestFri/Sat bar from 7 pm, karaoke from 8 pm. Private karaoke party at the same room rate.
Occasions
Enquire in 30 seconds
For: Room incl. bowling lane
14Nov
Autumn Ball
NAVO Seelze-Letter
An elegant evening in the style of a modern gala: 7 pm – 1 am. Sparkling reception with live violin by Olga Avanessova, Avanessova Project, vocals by Olga Babalyuk, then DJ and dancing into the night. Cold starters, hot dishes and alcoholic and non-alcoholic drinks included. Ticket €79. Dress code: elegant evening wear.
Details & enquire →
Parties & groups
Birthdays, team nights and Christmas parties 2026 – karaoke, sports and bowling in one evening.
On tap
Guinness, Hop House 13, Radeberger, Staropramen and Helles – freshly tapped.
What awaits you at Green Barrel
Green Barrel is bar, stage and meeting place: freshly poured, sung out loud and, if you like, with a round on the bowling lane.
Bowling lanes Seelze-Letter – all prices
2 classic double lanes = 4 lanes at Green Barrel, no black light. Prices are always for the room (per half) incl. one double lane; 1 hour = 55 minutes.
Room hire incl. bowling lane
- Wednesday to Saturday until 9 pm
- €29 / hr
- Sunday & Monday – bowling and family day
- €25 / hr
- Daily from 9 pm
- €39 / hr
- Public holidays / special times, all day
- €39 / hr
- Tuesday closed
- private parties on request
Minimum spend per person and hour
- Adults
- €10
- Children 5–9 & seniors 65+
- only €5
- Children up to 5
- free
Example: 2 hrs on Sunday, 4 adults = €50 room + €80 minimum spend (credited against food & drinks).
- • Kids' birthday €299: 3 hrs incl. kids' menu (one dish for all), apple spritzer & water, each extra child €20. Extension at the regular rate plus minimum spend.
- • Event package €499: up to 4 hrs for up to 10 people, welcome and farewell shot, wine, beer, soft drinks, finger food or sandwiches; each extra person €40.
- • Food and drinks in all venues count towards the minimum spend: HELLAS, BAYAN, DOLI Seelze-Letter and Green Barrel (bar & karaoke) – before, during and after, never charged twice.
- • Regular groups from 25 bowling hours a year: reduced rates on request.
- • Also for private hire: school classes, private parties, sports events, seminars, Mafia/Werewolf nights and closed parties.
- • New prices apply to new reservations; existing reservations keep their terms. Binding only after confirmation.
Good to know
- • Your own music: borrow a Bluetooth speaker at the Green Barrel bar (or upstairs at HELLAS) for a €20 deposit.
- • With an hourly booking we also serve food right at the lane.
- • Street shoes are not allowed – please bring simple indoor sports shoes.
- • Deposit from 8 people and for bowling and event-ticket bookings: at least €50 or €15–20 per person, payable within 48 hours via payment link. It is credited on site (also for company receipts).
- • Cancellation: free up to 7 days before, less than 7 days 75 % of the deposit, less than 76 hours 100 %.
- • Your room is held for 15 minutes after the booking time – if you are late, please call or message us on WhatsApp.
- • The hirer is liable for damage and improper use.
- • An enquiry is not yet a confirmed reservation; binding only after confirmation or payment.
LIVE · NAVO
Dates to look forward to.
CELEBRATE TOGETHER · 2026 / 2027
Your occasion. All our heart.
Christmas party, birthday or company evening: let us find the right setting. From a meal together to a big celebration in the NAVO hall.
Enquire about a celebrationAlso for 2027: weddings, graduation balls, birthdays and company events. Availability and room layouts are confirmed personally.
In the house & network
Go straight there – with the location, so nobody has to search.
Bowling lanes →
4 classic lanes · from €25/hr
Seelze-Letter · Nico-Flatau-Platz 4 · same building
HELLAS →
Greek restaurant
Seelze-Letter · Nico-Flatau-Platz 4 · same building
BAYAN →
Slavic Cuisine
Seelze-Letter · Nico-Flatau-Platz 4 · same building
DOLI Seelze-Letter →
Georgian · open Mondays
Seelze-Letter · Nico-Flatau-Platz 4 · same building
M7 black-light bowling →
Hanover-List · own rates
Hanover-List · Möckernstraße 7
Also at NAVO
Frequently asked questions
Where is Green Barrel?
At Nico-Flatau-Platz 4, 30926 Seelze-Letter, inside NAVO Gastro & Event Center.
When are the bar and karaoke on?
Fridays and Saturdays: bar from 7 pm, karaoke from 8 pm.
How many bowling lanes are there?
Two double lanes – that is four classic lanes (no black light).
What does bowling cost?
Room including bowling lane from 26 Oct 2026 for new bookings: Wed–Sat until 9 pm €29/hour, Sun/Mon €25/hour, after 10 pm €39/hour. Minimum spend per person/hour: adults €10, children up to 9 €5, under 5 free. Discounted rates on request.
Enquire & reserve
Request a reservation
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