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Athenia Garden Room Installed by Outdoor Modular Spaces, Available 15sqm up to 30qm
£34,374.99 – £66,249.99Price range: £34,374.99 through £66,249.99
Elevate your home with the Athenia Luxury Garden Room, a professionally installed, fully insulated, modular space from Outdoor Modular Spaces, perfect for a year-round office, gym, or studio. Available in flexible sizes from 15sqm up to 30sqm, this premium extension is designed to meet UK Building Regulations and offers exceptional value without the hassle of traditional construction.
- Fully insulated timber frame construction for comfortable year-round use.
- High-specification double-glazed uPVC windows and choice of French or Sliding doors.
- Includes modern interior finishes, electric radiator, and integrated down-lights.
- Installed by professionals in select UK areas (London, Herts, Essex, etc.).
Shipping & Delivery
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Courier delivery under £30
Our courier will deliver to the specified address
2-3 Days
From £4.99
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Prime delivery
Our prime courier will deliver to the specified address
1-2 Days
From £12.99
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Manufacture Warranty 1 Year
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Free 30-Day returns





Everyday Blowout — No Holiday Needed.
Product Description
Athenia Luxury Garden Room Installation (15-30sqm) – Premium Insulated Office & Modular Space by Outdoor Modular Spaces
Elevate your lifestyle with the Athenia Garden Room, a professionally installed, fully insulated, and bespoke modular space designed to UK Building Regulations. Perfect as a premium home office, gym, studio, or leisure room, the Athenia offers year-round comfort and exceptional value. Available in flexible sizes from 15sqm up to 30sqm, this garden room features durable timber frame construction, high-specification double-glazed uPVC windows, a choice of French or Sliding doors, and a modern internal finish including plasterboard, down-lights, and an electric radiator. Invest in the ultimate extension for your home without the hassle of traditional construction, delivered and installed by Outdoor Modular Spaces.
Key Features
- Premium Athenia – CDR Range design.
- Timber frame construction built precisely to UK Building Regulations standards.
- Flexible sizing options: 15, 16, 18, 20, 21, 24, 25, 28 or 30 square metres (sqm).
- Modern uPVC Tapered Side Window available in Black, White, or Anthracite.
- High-quality double-glazed windows (triple-glazed or laminated available at additional cost).
- Choice of stylish French doors or space-saving Sliding doors.
- Contemporary flat internal ceiling and plasterboard finish.
- Includes standard electric radiator and integrated down-lights for immediate use.
- Fully insulated for comfortable year-round use and energy efficiency.
- Finished with durable laminate flooring and underlay.
Important Information
- For bespoke sizing requests or further enquiries, please contact [email protected].
- Installation is restricted to the following areas ONLY: London, Herts, Essex, Cambs, Berkshire, Buckinghamshire, Kent, Surrey, Sussex, Hampshire, Bedfordshire, and Middlesex.
- Please note that thinkassemble.co.uk’s standard customer satisfaction guarantee and returns policy does not apply to special order, custom, and installed merchandise. Your statutory legal rights remain unaffected.
Why Choose Think Assemble
- Quality Assurance: Partnering with top-tier installers to ensure your garden room is built to the highest UK standards.
- Professional Installation: Full installation is included in the service, guaranteeing a seamless build process.
- Dedicated Support: Our team provides support from initial enquiry through to completion.
- Maximum Value: Exceptional features and premium construction delivered at a competitive price point for modular spaces.
Specification
Overview
| Brand | OMS – The CDR Range, OMS |
|---|---|
| Dimensions | 15 – 30sqm |
| Manufacturer | OMS – The CDR Range |
| Size | 4m x 4m, 16 sqm, 5m x 3m, 15 sqm, 5m x 4m, 20 sqm, 5m x 5m, 25 sqm, 6m x 4m, 24 sqm, 6m x 5m, 30sqm, 6mx 3m, 18 sqm, 7m x 3m, 21 sqm, 7m x 4m, 28 sqm, 8m x 3m, 24 sqm |
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