CosmoGrill Pro Deluxe 5 Burner Review UK 2026
Quick verdict
Score: 8.9/10
Best for: Regular garden barbecuing for family and guests
Not for: Anyone short on storage space, or wanting charcoal flavour from a pure gas model
Bottom line: A practical gas barbecue (4 burners + 1 side burner) for outdoor cooking.
Overall, the CosmoGrill Pro Deluxe 5 is a built-in gas barbecue for outdoor cooking, with 4 main burners plus 1 side burner for additional meal preparation. The layout is designed to support grilling alongside side cooking, which suits garden parties. As a gas BBQ, it is practical, but key performance information is missing.
Key specifications
| Spec | Detail Notes |
|---|---|
| Burners | 4+1 Side burner included |
| Heat control | Lid thermometer Warming rack present |
| Build | Built-in Meant for home setups |
Pros
- 4 burners + 1 side burner
- Built-in
- Warming rack, lid thermometer
- Instant heat and quick cleanup versus charcoal
Cons
- Gas bottle, regulator and hose are usually sold separately
- Needs covering or storing over winter to prevent rust
- Check the assembled size suits your space
Style and Setting
Style and setting suit this gas barbecue because it is built for a built-in, outdoor kitchen setup rather than a freestanding patio cart. The steel warming rack and lid thermometer support a more structured cooking space, with heat monitoring and staging easier to manage during grilling. Four main burners plus a side burner fit planned meal prep, while the lid helps keep cooking conditions more consistent. For homeowners without a built-in run, the required placement can look out of place, since cabinetry or a dedicated grill housing is needed for integration.
Size and Seating
Size and seating matter most with the CosmoGrill because it is a built-in outdoor gas barbecue, designed to be installed into an existing grill housing rather than used as a standalone unit on a patio. The cooking area is set up for four main burners plus a separate side burner, enabling multiple dishes to be prepared at the same time. A steel warming rack provides additional holding space for longer serving periods. Because it is built-in, buyers must match their outdoor installation requirements to avoid gaps and awkward access around the housing. For group cooking, seating capacity is driven more by the available table space than by the grill alone.
Materials and Build
Materials and build are what determine how well the gas barbecue handles day-to-day outdoor use, especially since it is described as a built-in outdoor gas barbecue rather than a free-standing model. The warming rack is made from steel, which is intended to cope with routine heat exposure. A lid is fitted with a temperature gauge, adding an element of feedback for safer cooking habits. For built-in installations, the surrounding frame and ventilation are important. The grill has four burners plus a side burner, which increases cooking options, but sturdy assembly during installation is still essential. Grease build-up can cause flare-ups, so routine cleaning is necessary, and covering or storing the grill over winter helps to reduce the risk of rust.
Comfort and Features
Comfort and Features cover the day-to-day ease of using the CosmoGrill once it is installed. This unit is a built-in gas BBQ, designed with four main burners plus a side burner, allowing multiple pots or pans to be used at the same time. Heat monitoring is assisted by a lid thermometer. A steel warming rack provides additional space for keeping cooked items warm. In everyday use, operation is straightforward: ignite the gas, set the burners, cook the food, then use the warming rack as needed.
Who Is This For?
This built-in gas BBQ suits people who want to cook multiple foods at once, with four main burners plus a side burner (4+1) for tasks such as grilling and warming or using a separate pan. It is suited to households that host regular home garden parties, since the multiple cooking zones allow different items to be prepared in parallel. It also fits buyers who prefer a built-in outdoor setup rather than a freestanding trolley-style grill. It may be less suitable for small patios or for households without suitable access to a gas supply.
Where to Buy in the UK
Where can UK buyers find the gas barbecue (a 4+1 gas barbecue grill with a steel warming rack and a built-in temperature gauge)? It is typically available via UK online retailers that stock The CosmoGrill Pro Deluxe 5's gas BBQ range, and larger home and garden stores that carry comparable models. Availability can vary, so listings should be checked for the exact bundle details, including the steel warming rack, side-burner, and built-in temperature gauge, as these can differ between offers. If stock levels change, comparing multiple major marketplaces is a practical approach, since delivery terms, returns information, and accessory inclusion are often not shown clearly in every listing.
Frequently Asked Questions
Is the CosmoGrill worth it?
For regular garden barbecuing for family and guests, the gas barbecue (a 4 burners + 1 side burner gas BBQ) does the job. Whether it suits you depends on how many you cook for, your space and how often you grill. Check the current Amazon UK price, as barbecues are heavily discounted outside the summer peak.
How many burners does the CosmoGrill have?
The gas barbecue is a 4 burners + 1 side burner model. As a rough guide, 2 burners suit couples and small families, 3 to 4 burners suit most households, and 5 or more suit regular entertaining. More burners also mean better zone control - you can run one side hot for searing and leave another cooler for indirect cooking, which is how you avoid burnt outsides and raw middles.
What fuel does this gas barbecue use?
The CosmoGrill runs on gas (LPG). You'll need a gas bottle - typically patio gas or propane - plus the correct regulator and hose, and these are usually sold separately, so factor that into the cost. Gas gives instant heat, precise control and quick cleanup compared with charcoal.
Is the CosmoGrill Pro Deluxe 5 portable?
The gas barbecue is a built-in model. It's built to live in the garden rather than travel, usually with wheels so you can reposition it on the patio. Check the footprint against your space, and plan to cover or store it over winter to prevent rust.
What features does this gas barbecue have?
The CosmoGrill offers warming rack, lid thermometer. A warming rack holds cooked food while the rest finishes. A lid thermometer lets you cook with the lid down, which is essential for anything thicker than a burger. Match the features to how you actually cook.
How do you look after the gas barbecue?
Brush the grates while still warm after each cook, and empty the grease tray regularly - a build-up is the most common cause of flare-ups. Give the burners an occasional check for blockages. Crucially, use a cover and store it somewhere dry over winter, as rust is what kills most gas barbecues long before the burners fail. Always turn the gas off at the bottle after use.