Independent UK guidePrices updated September 2026

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Conservatory problems and how to fix them

Reviewed byZaib Khan
Updated onSeptember 2026

Most conservatory problems come from the roof. Here is what causes each one, the cheap fixes that work, and when replacing the roof is the real answer.

Heat

Conservatory too hot in summer? How to stop it

Why conservatories overheat, and nine fixes in cost order, from opening a vent to a new tiled roof.

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Cold

Conservatory too cold in winter: what actually fixes it

Why conservatories are so cold in winter, what each fix does to heat loss, and when a new roof is worth it.

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Leaks

How to fix a leaking conservatory roof

Find where the water is getting in, the repairs to try first, typical costs, and when a leaking roof is worth replacing.

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Leaks

Conservatory roof leaking where it joins the house

Why conservatory roofs leak at the house wall, how to tell flashing from cavity or movement problems, and how each is fixed.

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Condensation

How to stop condensation in a conservatory

Why conservatory roofs stream with water on cold mornings, the fixes that work, and when a warmer roof is the answer.

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Shading

Roof blinds or a new roof?

What roof blinds and film can and cannot fix, what they cost, and when the same money is better spent on a new roof.

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Damp

Mould and damp in a conservatory

Where conservatory mould comes from, how to clean it off, and how to stop it coming back for good.

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Polycarbonate

Cleaning a green, dirty or yellowed polycarbonate roof

How to clean a green or dirty polycarbonate roof safely, why sheets turn yellow, and what to do when they have.

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Noise

Noisy conservatory roof in the rain

Why polycarbonate roofs are so loud in the rain, what quietens them, and what the evidence really shows.

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Glare

Glare and fading from a conservatory roof

Why a conservatory roof causes glare and faded furniture, and the fixes from free to solar control glass.

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Repairs

Cracked or broken conservatory roof panel

How to make a cracked roof panel safe, replace one polycarbonate sheet or glass unit, and when to replace the roof.

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