Your garden, whatever the weather.
A polycarbonate roof gazebo changes how you use your garden — not just in summer, but across the whole British year.
Picture a long Saturday lunch beneath the slate-grey canopy, light filtering softly through the twin-wall roof while the curtains are drawn back to let the breeze in. The ornate steel crossbeams frame the space with quiet elegance.
When the clouds roll in, you stay. The curtains zip closed, the roof holds, and the afternoon carries on.
The 6mm double-wall polycarbonate roof is the core of this gazebo. Twin-wall construction traps air between layers, reducing heat build-up on bright days and providing meaningful insulation compared to a single-sheet roof. It also deflects light rain without noise amplification — a common complaint with thinner polycarbonate panels.
The frame combines steel and aluminium, rated to Windproof Level 6 (up to 49km/h) with a snow load capacity of 100kg. Four corner posts are spaced to give a clear internal footprint of 3.15 x 2.55m — enough room for a six-seat dining set with space to move around it.
Assembly takes 2–3 hours with 2–4 people and full instructions are included. The gazebo suits both soft ground (ground stakes supplied) and hard surfaces — for patios or concrete, masonry expansion screws are recommended; for timber decking, use specialist wood expansion screws to avoid splitting the boards. Neither are included.
No planning permission is required under standard permitted development rights, though we always recommend checking with your local council if your property has any restrictions.
Key Features
Specifications
| Brand | Outsunny |
| Colour | Dark Grey |
| Roof Material | 6mm double-wall polycarbonate (brown tint) |
| Frame Material | Steel and aluminium |
| Curtain Material | Polyester |
| Overall Dimensions | 3.6L × 3W × 2.65H m |
| Internal Footprint | 3.15L × 2.55W m |
| Eaves Height | 2.00m |
| Crossbeam Height | 1.9m from ground |
| Windproof Rating | Level 6 (39–49 km/h) |
| Snow Load Capacity | 100kg total |
| Product Weight | 61kg |
| UV Protection | 99% |
| Water Resistant | Yes |
| Assembly Time | 2–3 hours (2–4 people recommended) |
| Surface Compatibility | Hard and soft surfaces |
| Warranty | 1 year (manufacturer defects) |
| Number of Boxes | 2 |
Assembly & Setup
Download Assembly Instructions (PDF)What's in the Box
- 1 × Polycarbonate gazebo frame and roof panels
- 8 × Ground stakes
- 1 × Assembly guide
- 4 x Curtains
Why Buy From Opal Retail?
UK-Based Support
Our customer service team is based in the UK and available Monday to Friday. We're here to help before, during, and after your purchase.
1-Year Warranty
Every gazebo we sell comes with a minimum 1-year warranty. Buy with confidence knowing we stand behind the quality of everything we stock.
Free Returns
Not quite right? Return any item within 30 days for a full refund, no questions asked. We make the process as straightforward as possible.
Secure Payment
All transactions are encrypted and processed securely. We accept all major cards, PayPal, Klarna, Clearpay, and Shop Pay.
Frequently Asked Questions
No planning permission is required in most cases, as garden gazebos of this type fall under permitted development rights in England and Wales. However, rules can vary for listed buildings, conservation areas, or properties where permitted development rights have been removed. We recommend checking with your local council if you are unsure about your specific property.
This gazebo is suitable for both soft and hard surfaces. On soft ground such as grass or soil, use the included ground stakes. For hard surfaces such as concrete or paving, masonry expansion screws are recommended (not included). If installing on timber decking, use specialist wood expansion screws to avoid splitting the boards — these are also not included.
The frame is rated to Windproof Level 6 (up to 49km/h) and the roof can support a snow load of 100kg, which makes it suitable for year-round use in most UK conditions. The polycarbonate roof is UV-stabilised and water resistant, and the curtains can be fully closed to protect the interior during poor weather. We recommend inspecting fixings and curtain ties seasonally to ensure everything remains secure.
Assembly typically takes 2–3 hours and is recommended with 2–4 people due to the size and weight of the roof panels. A full assembly guide is included in the box. We recommend laying out all components before starting and having a clear, level surface to work on.
This gazebo is covered by a 1-year warranty against manufacturer defects, handled directly by Opal Retail. The warranty does not cover damage caused by improper assembly, weather events beyond the product's rated specifications, or general wear and tear. If you experience an issue within the warranty period, please contact our customer service team with your order details.
Delivery & Returns
Delivery
- Free standard UK delivery on all orders
- Estimated dispatch within 1-3 working days
- Tracked delivery — you'll receive a tracking link by email
- Mainland UK addresses only
Returns
- 30-day hassle-free returns
- Items must be unused and in original packaging
- Contact our UK support team to arrange a return
- Refunds processed within 5-7 working days