Grillstream SmashGrill 4 Burner Flat Plate Gas BBQ Plancha
Turn your garden into the ultimate outdoor kitchen with the Grillstream SmashGrill 4 Burner Gas BBQ—designed to deliver restaurant-quality smash burgers, sizzling breakfasts, and high-heat searing with ease.
Unlike traditional BBQs, this flat-top plancha grill gives you complete control over heat and cooking space, so you can cook everything from crispy bacon and eggs to juicy steaks—all at the same time, without flare-ups or uneven cooking.
Why Choose the SmashGrill?
- Perfect for smash burgers – achieve that crispy, caramelised crust every time
- Even heat across the whole surface – no hot or cold spots
- Cook more at once – ideal for families and entertaining
- No flare-ups – safer and easier than traditional grills
- Versatile cooking – breakfast, lunch, and dinner all on one surface
Cook Anything, Anytime
The SmashGrill isn’t just a BBQ—it’s a complete outdoor cooking system.

Cook up:
- Smash burgers with crispy edges
- Full English breakfasts
- Stir-fries and fajitas
- Steaks, seafood, and vegetables
All without juggling multiple pans or worrying about food falling through grates.
Powerful 4 Burner Performance
With four independently controlled burners, you can create multiple cooking zones—sear on high heat on one side while gently cooking on the other.
That means:
- Faster cooking times
- Greater flexibility
- Perfect results every time
Easy to Clean, Built to Last
The flat cooking surface makes cleaning simple:
- Wipe down after use
- No fiddly grates or hard-to-reach areas
- Durable construction designed for outdoor use
Spend less time cleaning—and more time enjoying your food.
Key Features & Specifications
- 4 powerful gas burners
- Large flat-top cooking surface
- Even heat distribution
- Durable, easy-clean design
- Ideal for outdoor cooking and entertaining
Why Choose a SmashGrill Over a Traditional BBQ?
- No flare-ups
- No food falling through grills
- Easier to clean
- Better for smash burgers & breakfasts
- More versatile cooking
- “Winner – Ideal Home Best Gas BBQ”
Delivery & Assembly
- Fast UK delivery available
- Delivered securely to your home
- Full instructions provided to make assembly as easy as possible so you can start cooking quickly
See it in action:
Approximate Sizing:

Frequently Asked Questions
What is a smash grill BBQ?
A smash grill uses a flat cooking surface (plancha) instead of traditional grates, allowing for better heat contact—perfect for smash burgers and versatile cooking.
Is it better than a traditional BBQ?
If you want versatility, even heat, and easier cleaning—yes. It’s especially better for foods like burgers, bacon, eggs, and stir-fry.
Can you cook steaks on it?
Absolutely—the high heat and full surface contact make it excellent for searing steaks.
Why Buy From Southwood Garden Centre?
When you shop with us, you’re not just buying a BBQ—you’re getting:
- Expert advice from a trusted garden centre
- Carefully selected, high-quality products
- Friendly customer service you can rely on
- Family run business
Ready to upgrade your BBQ game?
Bring restaurant-quality cooking to your garden with the Grillstream SmashGrill 4 Burner—perfect for food lovers, entertainers, and anyone who wants more from their BBQ.
| Feature | Details |
|---|---|
| Model | Grillstream SmashGrill 4 Burner (GSM40MK) |
| BBQ Type | Gas Plancha / Flat Top BBQ |
| Burners | 4 x high-powered U-shaped gas burners |
| Heat Output | 14kW |
| Cooking Surface | 91cm x 44cm flat plate |
| Cooking Surface Type | Non-stick plancha / flat top |
| Fuel Type | Propane gas |
| Ignition | Piezo ignition system |
| Cooking Zones | Independent burner control for multi-zone cooking |
| Dimensions (H x W x D) | 100.9cm x 133.7cm x 65.6cm |
| Weight | Approx. 50–60kg |
| Storage | Double shelf + gas bottle storage |
| Side Shelf | Yes (with tool hooks) |
| Grease Management | Removable fat cup for easy cleaning |
| Mobility | Wheels for easy movement |
| Warranty | Up to 10-year limited manufacturer warranty |
| Assembly | Self-assembly required |
Large 91cm cooking surface – perfect for cooking for 6–8 people


