Learn how Costco UK garden room installation services work in 2026, including available garden room types, installation features, size options, delivery considerations, planning requirements, and important details members can review when researching garden room options for their outdoor space. This guide provides general information to help readers understand the current offering.
Costco UK currently lists several garden room options that include professional installation, with products from suppliers such as Green Retreats and Outdoor Modular Spaces. Available models vary in size, design, insulation, doors, windows, interior finishes, and included features. Some listings describe installation within one to two days, while delivery and installation areas can depend on the selected product. Planning permission requirements can also vary according to the building and location. This guide explains what members can look for when researching Costco UK garden room installation services in 2026, including available designs, installation details, delivery considerations, and factors to review before choosing a garden room.
Costco UK lists garden rooms in its garden structures section, including several installed models. The current selection includes different sizes and designs, with some products described as fully insulated and suitable for year round use.
The Costco UK range includes garden rooms supplied with installation through specialist providers. For example, some Green Retreats models describe professional installation taking around one to two days. Certain Outdoor Modular Spaces models are also listed as installed garden rooms with different construction and finish specifications.
Features can vary between models, but may include:
The exact inclusions should be checked against the individual product listing because specifications differ between suppliers and models.
The current Costco UK selection covers several garden room sizes. Green Retreats models include smaller rooms of up to 11 square metres, medium options of up to 19 square metres, and larger models reaching up to 28 square metres.
Other garden rooms supplied by Outdoor Modular Spaces are available in sizes ranging from approximately 15 to 30 square metres, depending on the model.
When comparing designs, members can consider:
These differences can affect how a garden room may be used as a home office, studio, exercise space, hobby room, or additional outdoor living area.
Delivery and installation arrangements can differ between garden room products. Costco UK listings state that some products include delivery within a specified delivery area, while additional charges may apply outside that area. Some Outdoor Modular Spaces products also specify particular regions where delivery and installation are available.
Before researching a particular model, it can be useful to check:
Some Costco UK listings describe their garden rooms as typically not requiring planning permission, but this should not be treated as a universal rule. Planning requirements can depend on the property, building specifications, location, and local authority.
With multiple garden room designs available, comparing the specifications can help readers understand which type may suit their intended use. Looking beyond appearance is particularly important when researching a larger outdoor structure.
Useful comparison points include:
Costco UK also notes that its standard customer satisfaction guarantee and returns policy does not apply to special order, custom, and installed merchandise, although legal rights remain unaffected.