Conservatory roof advice
Replacing a Polycarbonate Conservatory Roof: Your Options
Planning to replace an old polycarbonate conservatory roof? Compare new sheets with a full change to glass or an insulated roof.
Reviewed 29 September 2026 · Ultimate Conservatory Roof CompanyYou can compare like-for-like polycarbonate renewal with a different roof system. The right scope depends on the condition of the sheets, bars and supporting frame, plus the daylight and comfort you want.
Decide whether to renew the sheets or change the roof
If the existing roof bars and supports remain suitable, replacing the polycarbonate sheets may be one option. If you want a different appearance or better control of the room’s temperature, compare glass and insulated solid systems too. A system change needs a broader assessment than swapping sheets.
Compare light, comfort and upkeep
Polycarbonate is lightweight and diffuses daylight. Glass offers a view of the sky and comes in different specifications. A solid insulated roof creates an opaque ceiling unless rooflights or glazed sections are designed in. Each choice has tradeoffs for daylight, solar gain, ventilation, rain sound and ongoing care.
Have the existing roof checked
Ask the installer to inspect the glazing bars, panel edges, seals, pitch, drainage, supports and wall junction. Persistent leaks may be coming from a detail other than the sheet itself. Never walk on polycarbonate panels; use a qualified installer to assess access and condition.
Ask what the quote covers
Confirm the roof material and specification, removal and disposal, compatible bars or adaptors, weather seals, flashings, gutters and any internal work. If changing to an insulated roof, ask about structure, ventilation, daylight and any approvals for your specific proposal.
Explore the options
Read about polycarbonate roof replacement, glass roofs and solid roofs. If you are unsure which route suits your conservatory, share the roof type, postcode and main problem when you enquire.
Discuss the Right Roof for Your Home
Tell the team what you want to improve and where the conservatory is. They can discuss a suitable roof assessment and quotation.