SIP Range
Willow
Wide mono-pitch with side entry. Perfect for art studios or yoga spaces — optimised for natural light.
Willow uses a wide frontage and side entry to free up the full width of the building for uninterrupted wall and floor space. Glazing is positioned to maximise natural light through the day.
- Roof type
- Mono-pitch
- Footprint
- 3.8 × 5m
- Floor area
- 19 m²
- Best for
- Art studio, yoga or therapy room, wellbeing space
Available sizes
- 5m × 3.8m19 m²
Every size can be tailored, and we build fully bespoke to your site and brief.
Key features
- Side entry option
- Wide frontage
- Natural light optimised
- Eco-friendly ground screw foundations
- Eco-friendly roof options and responsibly sourced materials
- Full electrical package, lighting and heating options
Technical specification
Wall U-value
0.34 W/m²K
Exceeds Building Regulations
Roof U-value
0.26 W/m²K
Superior thermal performance
Panel thickness
97mm / 122mm
High-performance insulated core
Compliance
Part L compliant
UK Building Regulations
Air tightness
< 1 m³/hr/m²
At 50 Pascals
Installation
2–5 days
Professionally installed on site
Other designs in the range
Hazel
Mono-pitchCompact mono-pitch design, perfect for home offices and small studios. Clean lines with a contemporary aesthetic.
Birch
Duo-pitchExtended duo-pitch annexe with full self-contained living potential — multiple internal rooms.
Alder
L-shapedExtended L-shape for larger corner plots — multiple zones and a footprint optimised for character sites.
Start your project