No, in most cases, you will not need planning permission to install a warm roof on a conservatory in England. This work is typically classed as a Permitted Development.
You are only likely to require planning permission when specific additional planning requirements apply to your property. This may be the case if your property:
It is always worth checking with your local planning office to confirm this is the case for your home and having a chat with neighbours to ensure they’re aware of the work to head off any possible issues.
The Goliath team are highly experienced in answering all questions concerning conservatory roof upgrades. Please use our expertise to ensure the best solution for your property.