Grotek Polycarbonate Greenhouse - Size 1 - 4 Metres Long

Maximise your growing potential with this durable 3m x 4m polycarbonate greenhouse, ideal for gardeners across Northern Ireland and beyond. Built with a strong galvanised steel frame and fitted with 4mm twin-wall polycarbonate panels, this greenhouse is designed to withstand the wet, windy, and variable Northern Irish weather while providing optimal light diffusion for your plants.

Spacious 3m x 4m design – ample room for vegetables, flowers, or seedlings.

Galvanised steel frame – corrosion-resistant for long-lasting stability, perfect for Northern Ireland’s climate.

4mm polycarbonate panels – lightweight, impact-resistant, and excellent at retaining heat.

All-year-round growing – protects plants from wind, rain, and frost while maintaining ideal temperatures.

Whether you’re extending your growing season, protecting delicate plants, or creating a versatile gardening space, this greenhouse combines strength, practicality, and longevity, making it a top choice for gardeners in Northern Ireland.

Comes with all necessary fittings and Installation instructions.

An installation service is available on request