Can you replace a conservatory roof?
- K&S Bespoke Builds
- Jan 7
- 3 min read
Yes, in most cases you can replace a conservatory roof. Homeowners often do this when the room is too cold in winter, too hot in summer, or noisy in heavy rain.
The key is making sure the existing conservatory frame and base are suitable for the new roof. That matters even more if you are moving from a lightweight roof (like polycarbonate) to a solid, tiled warm roof.
Can you replace any type of conservatory roof?
In many homes, yes. Roof replacements are common on:
Lean-to conservatories
Victorian and Edwardian conservatories
Gable style conservatories
Older polycarbonate roofs that have aged or discoloured
The main limitation is structure. A heavier roof may need extra support. A good installer will check this before recommending a tiled system.
What is the process for replacing a conservatory roof?
Here is what the process usually looks like with a modern warm roof system.
1. Site visit and checks
First, the installer visits to measure the conservatory and check the frame. They will look at things like:
Roof shape and size
Access for materials and scaffolding
The condition of the existing frames
Whether reinforcement may be needed for a solid roof
This stage is also where you decide on the finish. For example, tile style and colour, plus the internal ceiling look.
2. Design and ordering
Once measurements are confirmed, the new roof is designed to fit the conservatory. With a modular warm roof system, the roof is prepared as a kit so it can be installed efficiently on site.
3. Removal of the old roof
On installation days, the existing roof panels are removed. This is usually the noisiest part of the job, but it is also the quickest stage.
The team will protect the space as much as possible, but it helps to clear the conservatory beforehand.
4. Installing the new roof structure
The new roof framework and insulated components are fitted onto the existing conservatory structure. With a warm roof system, the build-up is designed to improve insulation and reduce heat loss.
At this stage, any required strengthening work is completed.
5. External weatherproofing and tiles
Once the main structure is in place, the roof is made weather-tight. Then the external roof covering goes on, such as tiles or synthetic slates.
Guttering and trims are finished to match the look of the conservatory.
6. Internal ceiling and finishing
One of the biggest differences with a warm roof is the inside finish.
Instead of seeing roof bars and translucent panels, you get a plasterboard-style ceiling that can be skimmed and decorated. Many homeowners also choose to update lighting at this stage, such as spotlights, depending on the room layout.
7. Final checks and handover
At the end, the team checks the finish, seals, and drainage. They will also confirm any manufacturer paperwork that comes with the system, such as product warranties or guarantees where applicable.
How long does it take to replace a conservatory roof?
It depends on the size, access, and the roof type.
A simple like-for-like polycarbonate swap can be quick. A tiled warm roof takes longer because it involves insulation and an internal ceiling finish.
As a guide, many warm roof installations are completed within around a working week, although every property is different.
Do you need Building Regulations?
Sometimes, yes. This can depend on what you are changing and how the conservatory is constructed.
A roof replacement that changes the structure or thermal performance may need to meet certain standards. A reputable installer will advise on what applies to your conservatory.
What should you do before the work starts?
A few small steps can make the job easier:
Clear furniture and valuables from the conservatory
Protect nearby flooring where workers will walk through
Plan for some noise during removal and fitting
If the conservatory is used as a main walkway, plan an alternative route
If you are in Reading or Berkshire, it also helps to think about seasonal timing. Some people book work ahead of winter, so the room is more usable when temperatures drop.
Is it better to replace the roof or rebuild?
If the conservatory is structurally sound, replacing the roof is often the smarter first step. It upgrades comfort without the cost and disruption of a full rebuild.
If you are already thinking bigger, like changing the layout or adding a true extension, you may prefer a wider project. Some homeowners compare a roof upgrade against a home extension when they want more space that feels fully part of the house.
Comments