Extensions / Sunlounges

A quality extension or sun lounge from Thistle Windows will give you more space, more options, more value.

It'll also give you more peace of mind. That's because we're your one-stop shop for an extension project that will transform your home.

It's not just a product, it's an entire service. We help you make your choice of style and materials, then support you every step of the way: from offering detailed design and technical expertise to guiding you through the complexities of the planning process.

Our team of experienced, professional and knowledgeable staff – designers, architects and skilled tradesmen from every discipline – make things easy for you.