ThermaCore Garden Rooms
The original cost-effective Garden Room system offering superior insulation, energy efficiency, and long-lasting durability.
We treat your home as we would our own
Guaranteed quality
We're so confident in our work that we provide all our clients with a 10 year guarantee following our installation.
Bespoke products
We supply high-quality, bespoke products so you can customise to your own preferred taste and style.
Experienced professionals
With over 25 years of industry experience, we value our customers feedback and aim to leave all our customers 100% satisfied.
Walkern Windows and Homes
Rating: 9.87 / 10
Reviews: 131 | Location: Stevenage, Hertfordshire
Member since: August 2017
A Cost-Effective Solution for Garden Room Installations
Discover a smart and affordable solution for new garden rooms and replacements. We provide competitive pricing without compromising on quality.
Designed for quick and easy installation with minimal site disruption, our garden rooms are:
- Fully insulated
- Customisable inside and out
- Perfect for homeowners and trade alike
Boucher
We offer a wide range of uPVC windows, fully customisable and with many different colours, styles and accessories available. All our window products have an energy efficiency rating of A+12.
Installation guide
Our doors range from uPVC doors, composite front doors, aluminium bi-fold doors and french doors. All of which are fully customisable and can be tailor made to suit your home. 100% safe and secure. Find your door online today.
Get a quote
Interested in expanding your home to create more living space? A conservatory or orangery might be the way to go. We have a wonderful range of stylish designs both traditional and modern to suit all homes.
Is it time to sharpen up your home?
Get in touch today to kick off your project!
Why Choose Us?
Quick & Easy Installation
Our systems are designed for fast installation with minimal disruption, so you can enjoy your new space sooner.
Building Control Compliant
We manage all building control matters in-house, ensuring your project is fully compliant.
Fully Customisable
Choose from a wide range of shapes, finishes, lighting, and roof window options to suit your needs.
10-Year Guarantee
Every installation comes with a 10-year manufacturer warranty, giving you complete peace of mind.
Our Home Improvement Solutions
The ThermaCore Warm Roof
Want to upgrade your glazed conservatory roof or transform your living space into a year-round retreat? Our Warm Roof System is the latest innovation from Sheertherm Manufacturing. Designed for homeowners who expect more from their space, it combines outstanding insulation, a sleek solid-roof finish, and enhanced comfort in every season.
Garden Room System
Looking for an affordable way to install or replace a garden room? Our Garden Room System offers competitive pricing without cutting corners on quality. Quick to install and designed to minimise disruption, it’s a fully insulated, versatile solution ideal for both homeowners and trade projects.
Frequently asked questions
Have questions about our products or installation process? We’ve put together answers to the most common queries, from building control approval to customisation options, so you can feel confident before starting your project.
What do I get with my roof?
When we deliver your roof to site, the only extras needed are fixings to attach it to the house wall, lead flashing, and plaster to finish inside.
Do your U-values meet regulations?
Yes, our systems are designed to meet or exceed building regulations.
What makes your roof different from others?
Superior insulation, rapid installation, and a clean solid-roof aesthetic.
Do you offer different tiles?
Yes — we have a selection of tile styles and finishes.
Is it building control approved?
Yes — and we handle submissions in-house where required.
Walkern Windows and Homes
Rating: 9.87 / 10
Reviews: 131 | Location: Stevenage, Hertfordshire
Member since: August 2017
Accreditations
Get in Touch
We’re here to help with any questions about our garden rooms, warm roofs, or installation process. Whether you’re a homeowner looking for inspiration or a trade partner ready to get started, our team is only a message away.
Phone: 01438 861617