All Bar One Portsmouth is a stylish space for spirited people to meet, celebrate life and share food, drinks and experiences.

Enjoy Brunch or Bottomless Brunch, every day at All Bar One. The menu features savoury favourites, from smashed avo and feta on sourdough, to a full traditional breakfast. There are also sweet treats such as French toast, served with either bacon and maple syrup, or glazed peaches, raspberries and vanilla ice cream. Choose from a wide range of drinks, with smoothies, Lavazza coffees, teas and cocktails all on offer.

Treat yourself to a Bottomless Brunch with mouth-watering dishes and unlimited Prosecco, Tanqueray London Dry Gin & tonic, Aperol Spritz or your choice of flavoured Daiquiris. Guests can also upgrade drink options to unlimited Porn Star Martini, Espresso Martini, or Long Island Iced Tea.

All Bar One Portsmouth is within easy reach of Gunwharf Quays shopping and Portsmouth Harbour.

Booking for Bottomless Brunch at All Bar One Portsmouth is essential, so bag your table today!

Expand Description

Brunch
Mon - Fri: 10am - 12:30pm
Sat & Sun: 9am - 12:30pm

Bottomless Brunch
Mon - Sat: 10am - 4pm
Sun: 12pm - 3pm

  • Bottomless Drinks
  • Breakfast
  • Brunch
  • Groups
  • Vegetarian Options
  • Vegan options
  • Accepts Credit Cards
  • Disabled Access
  • Children Allowed
  • Online Booking
Unit Ro5a,Gunwharf Quays, Portsmouth, PO1 3TA
Overall rating
4.4
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  • 5.0
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    4 months ago
    We came for drinks, and despite how busy it was, the service was great - quick but friendly and accommodating. The drinks were lovely, and the atmosphere was amazing with some great live music from a guitarist. Will definitely return!
  • 5.0
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    a week ago
    5/5 Stars – A Bottomless Brunch to Remember! We had the absolute pleasure of being served by Rebekah at All Bar One for bottomless brunch, and she made the entire experience amazing from start to finish. From the moment we arrived, she was welcoming, friendly, and full of energy. She kept the drinks flowing without us ever having to ask—super attentive but never overbearing. Rebekah handled everything with a smile, even when the brunch got busy. She gave great drink recommendations, checked in regularly, and genuinely made us feel like VIPs. Her vibe really set the tone for a fun, relaxed afternoon. If you’re planning a brunch at All Bar One, I seriously hope you get Rebekah—she’s a gem!
  • 5.0
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    4 weeks ago
    Popped in for afternoon drinks and had such a great time. The atmosphere was chilled, the drinks were spot on, and the service was exceptional. Sam looked after us and was absolutely brilliant—friendly, attentive, and just really lovely to chat to. She made us feel so welcome and added that extra something to the experience. Highly recommend for a relaxed drink in great surroundings—ask for Sam if you can!