A warm roof conversion is a fantastic way to transform your conservatory into a space you can enjoy all year round. By placing insulation above the roof frame, this method dramatically improves energy efficiency — keeping your conservatory warm in winter and cool in summer. At Dunders uPVC, our experienced team handles every step of the installation, making it simple and stress free from start to finish.
A warm roof conversion replaces your existing conservatory roof — whether polycarbonate or glass — with a fully insulated solid tiled roof system. Unlike a cold roof where insulation sits between the rafters, a warm roof places insulation above the roof structure, eliminating cold bridges and dramatically improving thermal performance.
The result is a room that feels like a genuine part of your home — comfortable in every season, quieter during rainfall and significantly more energy efficient than a traditional conservatory roof.
Many conservatories across Chorley were built in the 1990s and early 2000s with polycarbonate or glass roofs that simply don’t perform well in Lancashire’s climate. Too hot in summer, too cold in winter and noisy when it rains — these roofs make conservatories unusable for large parts of the year.
A warm roof conversion from Dunders uPVC transforms your conservatory into a comfortable, usable room all year round. We regularly carry out conservatory roof replacements across Chorley, Euxton, Buckshaw Village, Leyland and the surrounding Lancashire areas.
Most installations are completed in just 4-5 days, with minimal disruption to your home. Every roof comes with a 10-year guarantee as standard, with tile warranties of up to 40 years depending on the style you choose.
Choose from a range of tile finishes, including Slateskin sheet tiles (authentic slate looks, installed up to 50% faster), composite slate tiles, and steel shingle tiles — each available in a range of colours, along with matching fascia and guttering options. Compatible with every conservatory shape, including lean-to, Edwardian, Victorian, P-shaped, gable-ended and hipped designs.
When you choose Dunders uPVC for your warm roof conversion, you’re getting a proven, high-performance system built to handle Lancashire’s weather all year round — not just a generic insulated roof. Here’s what’s included as standard.
Yes — a warm roof conversion replaces just the roof of your existing conservatory. Your existing frame, walls and floor stay exactly as they are, so there’s no need to rebuild the whole structure.
Common signs include a conservatory that’s too hot in summer or too cold in winter, condensation or damp patches on the ceiling, excessive noise during rain, and glare from direct sunlight. If your conservatory has become an unused space for these reasons, a warm roof conversion is usually the fix.
Our roofs come with a 10-year guarantee as standard, with tile warranties of up to 40 years depending on the style chosen.
Most warm roof conversions are completed in 4-5 days, with minimal disruption to your home.
In most cases a warm roof conversion falls under permitted development and doesn’t need planning permission, but rules can vary depending on your property and local council. We’re happy to advise on your specific situation — get in touch and we’ll point you in the right direction.
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