2025 Conservatory Roof Replacement Cost and Saving Tips in the UK: Glass, Polycarbonate & Tiled Options
This guide compares glass, polycarbonate, and tiled roofs – covering costs, top suppliers, and actionable savings tips for 2025.
🔍 1. Glass Roofs: Premium Performance
Cost Range: £3,500–£9,000
Types:
🔹Double Glazed: U-value 1.0–1.6 (excellent insulation).
🔹Tempered/Laminated: Impact-resistant for safety.
🔹Low-E Coated: Reflects summer heat, retains winter warmth.
Pros: High light transmission (up to 98%), compliance with EPC Band C, classic aesthetic.
Cons: Heavy (requires reinforced frames), higher installation costs.
Best For: Traditional conservatories, rental properties, cold climates.
🛠️ 2. Polycarbonate Panels: Budget Efficiency
Cost Range: £1,800–£4,500
Pros:
🔸Lightweight (1.4–1.5kg/m²), easy DIY installation.
🔸Good insulation (U-value ~3.3) and 80% light transmission.
🔸Impact-resistant and 10–15-year lifespan (premium brands).
Cons: May yellow over time; less premium appearance.
Best For: Cost-conscious homeowners, garden rooms, quick retrofits.
🏺 3. Tiled Roofs: Hybrid Durability
Cost Range: £4,000–£8,000
Types:
🔹Lightweight Composite Tiles: 1/6 weight of traditional tiles.
🔹Synthetic Slate: Weather-resistant, recyclable core.
Pros:
🔹Seamless integration with main house roofing.
🔹Superior thermal/sound insulation (U-value 0.8–1.2).
🔹30+ year lifespan, minimal maintenance.
Cons: Reduced natural light; may require planning permission.
Best For: Converting conservatories to year-round living spaces.
📊 2025 Cost Comparison by Conservatory Size
| Size | Polycarbonate | Glass | Tiled |
|---|---|---|---|
| Small (10–12m²) | £1,800–£2,500 | £3,500–£5,000 | £4,000–£5,000 |
| Medium (15–20m²) | £2,800–£3,500 | £5,500–£7,000 | £5,500–£6,500 |
| Large (25–30m²) | £3,800–£4,500 | £7,500–£9,000 | £7,000–£8,000 |
Prices include labour; variations based on frame condition, glazing specs, and location.
🏆 Top 4 UK Suppliers for 2025
Ultraframe
🔸Specialty: Hybrid glass/polycarbonate systems with self-cleaning tech.
🔸2025 Offer: 10% discount on roof + insulation bundles.
🔸Best For: Energy-efficient solutions meeting EPC targets.
Edmundson's Glass & Glazing
🔹Specialty: Custom low-E glass roofs with thermal efficiency audits.
🔹2025 Offer: 0% finance over 24 months + £100 design voucher.
🔹Best For: Regulation-compliant glass installations.
Redland Roofing
🔸Specialty: Lightweight composite tiles (e.g., "Redland Acme" slate).
🔸2025 Offer: £200 rebate on orders >£5,000 + extended 35-year warranty.
🔸Best For: Tiled conversions with house-matching aesthetics.
Greenhouse Sensations
🔹Specialty: Polycarbonate DIY kits with 10-year warranties.
🔹2025 Offer: Free delivery + £150 accessory credit on orders >£2,500.
🔹Best For: Budget-friendly self-installations.
💡 5 Cost-Saving Strategies
Grant Stacking:
Use the Green Homes Grant (£5,000 cap) for insulation-compatible roofs.
Landlords: Combine with ECO4 scheme for up to £10,000 EPC upgrade support.
Off-Season Discounts:
Book installations in January-February or October-November for 5–8% reduced labour rates.
Material Reuse:
Salvage existing frames if structurally sound (saves £800–£1,500).
Source reclaimed double-glazed units from certified recyclers (e.g., Community Scrap Stores).
Bundled Upgrades:
Pair roof replacement with wall insulation or solar panels – many grants cover multi-project retrofits.
Supplier Incentives:
Leverage finance plans (e.g., Edmundson’s 0% interest) or rebates (Redland’s £200 offer) to offset upfront costs.
💎 Key Recommendations for 2025
Glass: Ideal for EPC compliance and luxury but requires higher investment.
Polycarbonate: Best value for quick, functional upgrades.
Tiled: Top choice for permanent living space conversions.
Pro Tip: Prioritise suppliers providing EPC compliance certificates – especially crucial for rental properties facing 2025 deadlines. By strategically timing purchases and leveraging grants, homeowners can achieve premium results within budget.