External Wall Insulation in Cuckfield, West Sussex

It sounds like a bit of a cliché, but if your home was built before the 1920s, it likely has solid walls. Unlike modern cavity walls, these solid structures are notorious for 'thermal bridging'—where the cold from outside travels straight through the wall to your interior wallpaper. By installing EWI, you can slash your heat loss by up to 45%. That’s a massive difference on your monthly outgoings. Plus, you’ll notice a significant jump in your EPC rating, which is a great bonus if you ever decide to sell. Why keep paying the energy companies more than you have to?

We don’t just slap some boards on and hope for the best. As approved PRB Systems contractors, we use the very best materials available in the UK. Whether we're using EPS (Expanded Polystyrene) or Mineral Wool insulation, the system is designed to let your house breathe while keeping moisture out. We’ve seen plenty of DIY jobs or 'cowboy' fixes around West Sussex that end up causing damp issues later on. That’s why we carry £1 million in public liability insurance and bring over a decade of hands-on experience to every project. We treat your Cuckfield home with the same respect we’d treat our own.

One of the best things about EWI isn't just the warmth—it’s the facelift. Once the insulation is fixed mechanically to your walls, we finish it with a high-performance render. You can choose from through-colour Monocouche or flexible Silicone renders. The beauty of these modern finishes is that they’re incredibly low maintenance. Forget about spending your weekends on a ladder every few years to repaint; these systems are designed to look 'good as new' for decades. Whether you want a traditional look to match the historic vibe near Cuckfield High Street or something crisp and modern, we’ve got the right palette for you.

A question we often get asked over a cuppa is: 'Will I have to move out while you work?' The answer is a firm no. Unlike internal insulation, which eats up your precious floor space and involves ripping out skirting boards and radiators, EWI happens entirely on the outside. Your sofa stays where it is, your pictures stay on the wall, and there’s minimal disruption to your daily life. It’s the perfect solution for busy families in Mid Sussex who don't want the headache of a full internal renovation. We pride ourselves on keeping a tidy site, so you won't find us leaving a mess across your driveway.