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More than 500,000 installations

guardian warm roof conservatory | wilmslow


from cold room to year-round living space

For many homeowners, a conservatory with an outdated polycarbonate or glass roof becomes a room they stop using – too hot in summer, too cold in winter, and too noisy in the rain to be comfortable at any other time. This Wilmslow property is a perfect example of how the right roof can completely change that, transforming an underused space into something genuinely liveable throughout the year.

The existing frames were replaced in their entirety with Kommerling profiles in black, bringing a sharper, more architectural feel to the whole structure. A two-pane sliding patio door provides easy access to the garden while keeping the glazed area as open and uninterrupted as possible, and a floor-to-ceiling picture window draws in maximum light from the side elevation. Together, they give the conservatory a clean, contemporary edge that feels far removed from the original installation.

The roof itself is a Guardian Warm Roof, finished with tap slate tiles in Stone Black – a combination that immediately reads as something closer to a proper extension than a conservatory add-on. Two integrated roof lights are set into the tiled surface, allowing natural daylight to filter into the space from above without compromising the warmth or weather resistance that the Guardian system provides. The result is a roof that looks substantial and permanent from the outside, while keeping the interior bright and comfortable regardless of the season.

The transformation here isn’t subtle. From the garden, the structure now has a weight and presence that the original simply didn’t – a space that looks as good as it performs, and one that this family can actually use all year round.

frequently asked questions

What is a Guardian Warm Roof and how does it work?

The Guardian Warm Roof is a solid tiled roof system designed to replace the existing polycarbonate or glass roof on a conservatory, transforming it into a thermally efficient, year-round living space. Unlike a standard conservatory roof, the Guardian system uses a lightweight but highly insulated structure topped with real tiles, meaning it retains heat in winter and stays cool in summer. The result is a room that behaves much more like a conventional extension than a traditional conservatory.

What are roof lights and can they be added to a Guardian Warm Roof?

Roof lights are glazed panels set flush into a tiled or solid roof that allow natural daylight to enter the space from above. They can absolutely be incorporated into a Guardian Warm Roof installation and are a popular addition for homeowners who want the thermal benefits of a solid roof without losing the light that a glazed conservatory roof provides. On this Wilmslow installation, two roof lights were integrated into the Stone Black slate tile finish, keeping the interior bright without compromising the roof’s performance.

Why choose Kommerling frames in black for a conservatory?

Kommerling is a high-performance uPVC profile system known for its strength, thermal efficiency and clean finish. Black is an increasingly popular frame colour for conservatories and extensions as it gives the structure a more architectural, contemporary appearance that sits well against both traditional brick and modern render. Combined with a tiled roof system like the Guardian Warm Roof, black Kommerling frames help the conservatory read as a considered extension to the home rather than an afterthought.

What is the difference between a Guardian Warm Roof and a standard conservatory roof replacement?

A standard conservatory roof replacement typically swaps like for like – replacing a worn polycarbonate or glass panel with a newer version of the same material. A Guardian Warm Roof goes much further, replacing the entire roof structure with an insulated, tiled system that fundamentally changes how the room performs. The thermal efficiency is significantly higher, noise from rain is eliminated, and the space becomes usable in a way that a glass or polycarbonate roof simply cannot match. It’s the closest thing to converting a conservatory into a full extension without the cost or planning implications of a full rebuild.


If you’re based in Wilmslow, Handforth, Woodford or Alderley Edge and are thinking about upgrading your conservatory, we’d love to help. Get in touch to book a free, no-obligation quote or visit our showroom.

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Alexander Windows Limited is registered with Companies House at Unit 42a Newby Road Industrial Estate, Newby Road, Hazel Grove, Stockport SK7 5DA. In England & Wales. Company number 02599172. Alexander Windows Limited is authorised and regulated by the Financial Conduct Authority FRN 1037109. We act as a credit broker not a lender and offer finance from a panel of lenders.