- Stock: In Stock
- Model: UL9X12
- SKU: UL9X12
- MPN: UL9X12
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Ultimate Greenhouse - Winter Protection from Frost & Ice | Double Glazed UPVC
Premium double-glazed greenhouse providing superior winter protection from frost and ice. Features 28mm toughened glass and 25mm polycarbonate roof for maximum thermal insulation. Protects delicate plants from harsh winter weather with energy-efficient glazing technology—Made-to-measure UPVC construction with 25 years of building experience.
Superior Winter Protection Greenhouse System
Introducing our Ultimate Greenhouse - explicitly engineered for superior winter protection from frost and ice. The advanced 28mm double glazing and 25mm polycarbonate roof create an optimal thermal barrier that shields even the most delicate plants from harsh winter conditions, ensuring year-round growing success.
Advanced Glazing Technology
28mm Frost Protection Glazing
- Toughened safety glass provides exceptional frost and ice protection
- 28mm double-glazed units create a superior thermal barrier against winter cold
- Wide glazed panels maximise insulation while maintaining optimal light
- Eliminates frost damage to sensitive plants and seedlings
25mm Thermal Polycarbonate Roof
- 25mm polycarbonate roof delivers maximum winter insulation
- Superior frost protection prevents ice crystal formation inside the greenhouse
- Excellent thermal retention maintains consistent temperatures during freezing conditions
- Professional-grade roofing is explicitly engineered for harsh winter climates
Professional Construction Features
High-Quality UPVC Framework
- Top quality UPVC profiles for long-term durability
- Maintenance-free construction requires no painting or treatment
- Weather-resistant framework withstands all UK conditions
- Professional-grade materials throughout
Superior Ventilation System
- Lockable side vent for controlled air circulation
- The roof vent provides optimal temperature regulation
- Professional ventilation design prevents overheating
- Automated vent options are available
Premium Door & Security
- Lockable door with quality security handle
- Heavy-duty hinges ensure smooth, reliable operation
- Toughened safety glass in door panels
- Professional security and access control
Architectural Enhancement Features
Traditional Styling Elements
- Cresting and finials on the roof for a classic greenhouse appearance
- High ridge height provides excellent growing space
- Traditional Victorian-inspired design elements
- Professional architectural detailing
Quality Hardware & Fittings
- Quality handles, locks, and hinges throughout
- 125mm Regency guttering for effective rainwater management
- Professional-grade hardware for long-term reliability
- Premium finishing touches throughout
Made-to-Measure Excellence
Bespoke Construction Service
- Made-to-measure construction to meet exact requirements
- Use available space optimally with custom sizing
- Professional design consultation available
- 25 years of experience in bespoke greenhouse construction
Flexible Design Options
- All sorts of sizes and shapes are available
- Lean-to greenhouses for space-efficient installation
- Narrow greenhouses for limited spaces
- T-shaped garden palaces for extensive growing operations
Custom Enhancement Options
- Double doors for wide access requirements
- Bi-folding doors for maximum opening flexibility
- Extra ventilation systems for specialised growing
- Additional roof vents for enhanced air circulation
Winter Energy Efficiency & Frost Protection
Maximum Heating Savings During Freezing Weather
- Double-glazed units dramatically reduce heating bills during harsh winter months
- Superior thermal retention requires less energy to maintain growing temperatures
- 28mm glazing thickness provides an exceptional frost and ice barrier
- Cost-effective winter growing environment with reduced energy consumption
Ultimate Plant Protection from Winter Elements
- Protects even the most delicate plants from frost, ice, and winter storms
- Consistent temperature regulation prevents damaging temperature fluctuations
- Superior frost protection maintains optimal growing conditions year-round
- Professional winter growing environment for sensitive tropical and exotic plants
Quality Assurance & Warranties
Comprehensive Warranty Coverage
- 10-year manufacturer warranties on all products used
- Long-term peace of mind with quality construction
- Professional-grade materials ensure reliability
- Established manufacturer support
25 Years of Building Experience
- Over twenty-five years building bespoke greenhouses
- Growers looking for double-glazed greenhouses choose our expertise
- Proven track record in professional construction
- Extensive experience with custom requirements
Professional Delivery & Installation
Complete Delivery Service
- Built and delivered to your door within approximately 4 weeks
- Peak times may extend delivery timelines
- Professional transportation and handling
- Nationwide UK delivery coverage
Two-Man Delivery Option
- Two-person delivery service available for unloading assistance
- Surcharge added to the standard delivery charge
- Professional unloading and positioning
- Ideal when personnel are unavailable for assistance
Foundation & Base Requirements
Proper Foundation Specifications
- A good base or foundation aisessential for stability
- A single layer of blocks is recommended for support
- The weight of glass is best supported on strong foundations
- Avoid movement over time with proper base construction
Professional Installation Guidance
- Foundation specification advice provided
- Professional base preparation recommendations
- Structural support requirements are detailed
- Long-term stability optimisation
Specialised Greenhouse Options
Lean-To Greenhouses
- Space-efficient installation against existing walls
- Ideal for smaller gardens and limited spaces
- Professional integration with existing structures
- Cost-effective growing space solution
Custom Shaped Greenhouses
- T-shaped garden palaces for extensive growing operations
- Narrow greenhouses for challenging spaces
- Unique shapes to suit specific requirements
- Professional design and construction service
Maintenance & Long-Term Performance
Maintenance-Free Benefits
- UPVC construction requires no maintenance, painting, or treatment
- Toughened glass resists breakage and weathering
- Quality hardware ensures long-term, reliable operation
- Professional durability throughout
Professional Winter Growing Environment
- Optimal conditions for year-round cultivation regardless of outdoor temperatures
- Superior plant protection from frost, ice, snow, and freezing winds
- Energy-efficient operation maintains warmth dduring the oldest winter months
- Professional frost-free environment for serious winter gardening
Technical Specifications Summary
Glazing System
- 28mm toughened double glazing in the sides and door
- 25mm polycarbonate roof for optimal performance
- Wide glazed panels maximise light transmission
- Toughened safety glass throughout
Framework & Construction
- High-quality UPVC profiles for durability
- High ridge height provides excellent growing space
- Made-to-measure construction for a perfect fit
- Professional-grade materials throughout
Ventilation & Access
- Lockable side vent for controlled air circulation
- Roof vent for temperature regulation
- Lockable door with quality hardware
- Heavy-duty hinges for reliable operation
Professional Design Consultation
Expert Guidance
- 25 years of experience in greenhouse construction
- Custom design consultation for optimal layout
- Professional advice on ventilation and access
- Made-to-measure specification support
Project Planning
- Foundation and base requirement guidance
- Delivery timeline planning and coordination
- Custom enhancement options discussion
- Professional installation support
Order Your Ultimate Greenhouse Today
Enhance your growing capabilities with our Ultimate Greenhouse, featuring 28mm double glazing and a 25mm polycarbonate roof—made-to-measure quality with 25 years of construction experience and 10-year warranties.
Key Benefits Summary
- 28mm double-glazed toughened glass with a 25mm polycarbonate roof
- Made-to-measure UPVC construction with 10-year warranties
- Lockable door and vents with quality hardware throughout
- Cresting, finials, and 125mm Regency guttering included
- 25 years of experience building bespoke greenhouses
- Custom sizes, shapes, and enhancement options are available
Experience professional greenhouse growing with superior glazing technology and bespoke construction. Professional consultation ensures an optimal design tailored to your specific growing requirements.
| Dimension | |
| Length (mm) | 3660mm |
| Width (mm) | 2745mm |
| Height @ eaves (mm) | 1670mm |
| Height @ Apex (mm) | 2500mm |
| Design | |
| Wall Glazing options | 28mm toughened glass or 28mm Low e glass |
| Roof glazing options | 25mm Clear Polycarbonate |
| Roof Design | Apex |
| Door style | Single door - Opening Outward |
| Frame Colour | White |
| Lockable door | Yes |
| Clearance required for door to open (mm) | 750mm |
| Guttering | Hunter Regency |
| Number of Opening windows | 1 + option to add 1more |
| Number of Roof Vents | 1 + option to add a second vent |
| Low Threshhold | Available on request |
| Base supplied | No |
| Delivery Times | |
| Delivery Times | 2 - 4 weeks |
