About Us

Celebrating 10 Years of Diner Goodness!

Welcome to Southend’s biggest and boldest licensed 1950s American diner – proudly serving up classic U.S. eats, over-the-top desserts, handcrafted cocktails, and legendary milkshakes for a whole decade!

We’re open 6 days a week, dishing out the best of American comfort food made fresh to order using top-quality, locally sourced British ingredients – all at prices that won’t break the bank.

Meat lover? Vegan? Sweet tooth? We've got you covered.

Planning a party or group get-together? Our vibrant diner seats up to 70 and is perfect for birthdays, celebrations, or just good old-fashioned fun.

As a family-run business, we’re grateful for every customer who’s been part of our journey. Your feedback helps us keep getting better – here's to the next 10 years!

Food Menus

Drink Menus

Challenges

Beat the challenge – your meal’s on us! Conquer it, and you’ll earn not just bragging rights, but a FREE feast and our exclusive Grumpy Diners Winner mug, plus your photo and completion time proudly displayed in the diner for all to see

This is a single person challenge and have to be booked in advance on 01702 616831

Booking is 24 hours in advance.

Mac Attack

(Available in Gluten Free)

TIME LIMIT:

You’ve got 45 minutes on the clock. That’s it. No breaks. No excuses!!

THE CHALLENGE:

This ain’t your average meal—it’s a full-on food brawl.

  • 2kg of creamy, cheesy Mac ‘N’ Cheese
  • 500g of smoky BBQ Pulled Chicken
  • 500g of crispy, golden Grumpy’s Chicken Strips
  • 2 full Garlic Bread Baguettes (yes, full baguettes)

THE GOAL:

Conquer every last bite in 45 minutes.

£49.95

The Big Daddy

(Available in Gluten Free)

TIME LIMIT:

You’ve got 30 minutes to smash this monster breakfast. No second chances. No leftovers!!

THE CHALLENGE:

This is a gut-busting breakfast showdown. Can you handle it?

  • 4x Sausages
  • 6x Crispy Streaky Bacon
  • 4x Hash Browns
  • 2x Grilled Tomatoes
  • 4x Eggs (your way)
  • 2x Bubble
  • 4x Black Pudding
  • 4x Pancakes
  • Mushrooms
  • Baked Beans
  • 4x Slices of Bread & Butter or Toast
  • Served with a mug of tea or coffee

THE GOAL:

Clear the entire plate in 30 minutes. No substitutions. No mercy.

£24.99

THE BOSS DOG

(Available in Gluten Free)

TIME LIMIT:

You've got just 25 minutes to take down this stacked, saucy monster.No messing around!!

THE CHALLENGE:

This is a double-layered hotdog tower that means serious business:

Bottom Layer

  • 2 Hotdogs in a Bun
  • Topped with Streaky Bacon, American Cheese, and Fried Onions

Top Layer

  • 2 Hotdogs in a Bun
  • Loaded with Chilli, Streaky Bacon, Nacho Cheese, and Crispy Onion Bits

On The Side

  • Fries
  • 16 Onion Rings

THE GOAL:

Destroy every layer, every side, every bite — in 25 minutes or less.

£30.00

Brownie Sensation

(Available in Gluten Free)

TIME LIMIT:

You’ve got 35 minutes to conquer this chocolate-loaded beast. Sweet tooth ready? Let’s see what you’re made of!!

THE CHALLENGE:

TA dessert mountain that’s rich, messy, and unapologetically over the top:

  • 1.75kg Homemade Triple Chocolate Brownie
  • 100g Mini Marshmallows
  • 100g Flake Dust
  • 100g Brownie Bits
  • 100g Oreo Dust
  • 100g Fudge Pieces
  • 100g Crushed Oreos
  • 100g Whole Oreos
  • 100g Flake Pieces

THE GOAL:

Wipe the plate clean in 35 minutes—no sharing, no breaks, no mercy.

£45.00

Are You Up to The Challenge?

Think your big appetite is large enough, watch the videos below..

Party Packages

Below are our own party packages. We are proud to announce that we are now also collborating with Sugar Sweet Candyland who's packages are also listed below

Grumpy's Party Packages

Available Tuesday to Sunday

Choose from our Main Menu

Grumpy's Silver Party Package

Grumpy's Gold Party Package

Reality Bites Party Package

2025 Events

Please see our current events below



Breakfast with Stitch
6th August

Come and meet Stitch at Grumpy’s Diner. There will be games, breakfast and photo opportunities.

Only £20 per child no charge for the adults Booking only call 01703 616831



Psychic night with a meal and raffle
13th August

We are holding a psychic night at the diner with Spirit and Beyond UK. This is £20 a ticket which includes a meal. Arrive between 6.30pm and 6.45pm.

Raffle is being held to help our local Off The Streets Charity. £1 a number available now. Raffle tickets can be purchased here

To book please call us on 01702616831 or message us.



Abba Tribute Night
21st August

Come and join us for our first ABBA Tribute night.

£30 per person including dinner

Let’s get our dancing shoes on.

Please call us on 01702 616831 to secure your place.



The Satin Dollz
19th September

For the first time we will have The Satin Dollz here at Grumpy’s and we are so excited.

Tickets are £10. Don’t miss out and call us on 01702 616831 to book your space.



Dave Collinson's Human Jukebox
10th October

Join us for a night with Dave for Human Jukebox. We are fully licensed and our main menu will be running for dinner as normal.

£9 per person booking fee. Please call us on 01702 616831 to secure your place.



Scott Elvis
28th November

Join us for dinner and a great night with Scott Elvis singing all your favourite Elvis Songs.

Tickets are £10. To book call us on 01702 616831



The Knightingales
13th December

We are excited for the return of The Knightingales. Our main menu will be running and all food and drinks can be ordered on the night.

This is a booking only event at £10 per person. Call us on 01702 616831 to book your table.



Let's Rock 'N' Roll
19th December

Join us for a night with Jayne and Paul Jennings singing Rock n Roll Classics. Dinner and Drinks are ordered on the night from our main menu.

Tickets are £10 per person. If you would like to join us for a great night then call us on 01702 616831.

Reviews

Reservations

We have partnered with Sugarvine to give a better booking experience


Contact Us

Address

759 Southchurch Rd, Southend-on-Sea SS1 2PP

Phone

01702 616831

Follow Us On Instagram

@grumpysdinersouthend