About Our Swallow Robin Greenhouses
The Swallow Robin Greenhouse range offers premium 5ft 8" wide wooden greenhouses built from Scandinavian ThermoWood® timber. Manufactured in Rotherham, UK, each Robin greenhouse combines traditional craftsmanship with modern thermal treatment technology for exceptional durability.
"5ft wide greenhouses are rare. I chose the Robin because it is the only model that gives you the thermal mass of wood in a footprint usually reserved for lightweight metal frames. It maximizes internal growing width (5ft 8") without crossing the 6ft threshold that blocks side access in many terraced gardens."
— Matt, Greenhouse Stores
ThermoWood® is heat-treated at high temperatures to remove moisture and resin, creating timber that maintains its shape and strength for generations. Every Swallow Robin Greenhouse includes 3mm toughened safety glass, full-length slatted staging (520mm wide, 745mm high), and Bayliss XL automatic roof vent openers as standard.
Swallow Robin vs. Aluminium Alternatives
The 5ft width category is sparse. Most customers debate between the timber Swallow Robin and the aluminium Elite Streamline. While the Elite is cheaper, the Robin offers significantly more internal width and structural security as standard.
| Feature | Swallow Robin (Timber) | Elite Streamline (Aluminium) |
|---|---|---|
| Actual Width | 5ft 8" (Max Space) | 5ft 3" (Slimmer) |
| Installation | Included (Free) | DIY or £350+ Extra |
| Glazing Retention | Full Timber Capping (Standard) | Spring Clips (Standard) |
| Wind Resistance | High (Heavy ThermoWood) | Medium (Lightweight Frame) |
| Door Lock | Mortise Lock & Handle | Sliding Door Catch |
The range spans from the compact Swallow Robin 5x4 Greenhouse (£2,535) to the generous Swallow Robin 5x10 Greenhouse (£3,245). Available in natural ThermoWood finish (oiled annually) or choose from 10 paint colours (repaint every 3–5 years).
Choosing Swallow Robin Greenhouses: Quick Guide
The 5ft 8" width is perfect for narrow spaces – 12 inches narrower than standard 6ft greenhouses but losing only ~15% internal space. Browse All Small Wooden Greenhouses for size comparisons across brands. For growing inspiration, check What to Grow in a Greenhouse for Beginners.
Installer's Note: Base Criticality
From the team: "Because the Robin is delivered fully assembled in sections, your base must be level to within ±5mm. Unlike aluminium frames that can 'flex' slightly, ThermoWood is rigid. If the base isn't level, the doors won't align."
Acceptable base types:
- Concrete slab (recommended): View our concrete base guide
- Paving slabs on mortar bed: View paving slab instructions
- Decking (smaller models only)
Base preparation typically takes 1–2 days and costs £200–£400 if hiring a professional, or can be completed as a DIY project over a weekend.
Frequently Asked Questions
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How much do Swallow Robin Greenhouses cost?
Swallow Robin Greenhouses range from £2,535 for the 5x4 model to £3,245 for the 5x10 model. Painted versions cost £300–£350 more. All prices include free UK mainland installation, toughened glass, staging, and automatic vents. Pay only 20% deposit upfront – the balance is due after your greenhouse is delivered and installed.
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What makes ThermoWood different from regular timber?
ThermoWood® undergoes heat treatment at 180–215°C, removing around 40% of moisture and all resin. This creates timber that’s 75% more dimensionally stable than untreated wood and effectively rot-resistant. Standard timber greenhouses often warp within 5–7 years; ThermoWood maintains its shape for 50+ years. The process also removes food sources for insects, preventing infestation without chemical treatments.
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Do Swallow Robin Greenhouses need annual maintenance?
Natural ThermoWood finish requires annual oiling (2–3 hours, £30–£40 in oil). Painted finishes last 3–5 years before repainting is required. The Painted Swallow Robin 5x6 Wooden Greenhouse uses microporous paint that breathes with the timber. Glass panels are sealed with silicone – check and reseal any gaps every 2 years to maintain weatherproofing.
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How wide is a Swallow Robin Greenhouse?
All Swallow Robin models measure 5ft 8" (1,728mm) wide externally. Internal width is approximately 5ft 2" (1,575mm), allowing comfortable side-by-side staging. This compact width fits through most garden access routes and suits narrow side passages. Eaves height is 5ft 8" with ridge height at 7ft 6" – tall enough to stand comfortably while tending plants.
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What's included with my Swallow Robin Greenhouse?
Every Robin includes professional installation (typically 4–6 hours), full-length staging on one side, 3mm toughened safety glass, Bayliss XL automatic roof vent openers, 25mm PVC damp barrier, mortice door lock, and stainless steel handles. You’ll also receive a 12-year warranty against rot and decay.
Optional extras: additional staging (opposite side), side vents for cross-ventilation, ornate door handles, decorative cresting and finials, and shed extensions.
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Can I customise my Swallow Robin Greenhouse?
Yes. You can select from multiple paint colours, request custom colour matching, add extra staging, specify decorative ridge details, and include shed extensions for extra storage or potting space. Ornate black door handles (£27 per door) add traditional character.
Ready to Choose Your Swallow Robin?
What Happens Next
- Order your chosen Robin model and pay 20% deposit
- Receive the base plan and prepare your level base
- Send a photograph for approval
- Professional installation is scheduled
- Pay the remaining balance after installation is complete
Questions about base preparation, delivery areas, or customisation options? Our team has 15+ years of experience with Swallow Greenhouses and can guide you through every step. 🌿