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Conservatory Upgrade Interior

About Us

Guardian Building Services are a family-run business based in Castle Donington, Derbyshire. Our dedicated team are focused on delivering a professional service from your initial enquiry through to the completion of the project. Working throughout the East Midlands, creating beautiful additional living space utilising modern methods of construction.

Why Choose Guardian Building Services?

Conservatory Upgrade
A range of quality Home Improvement products to enhance your home.

At Guardian Building Services, we want to make the whole home Improvement process as simple as possible, from your initial enquiry through to the completion of the project.

Once we have undertaken the initial survey, we will email you a detail quotation followed by a hardcopy sent by post. Our written quotation will include :

  • A proposed design drawing where appropriate.

  • Full detailed product specifications and pricing.

  • Planning and Building Regulation information.

  • Project time schedule and anticipated installation dates.

Improving your Home and adding value

Working with you the customers, our aim is to understand every detail of your bespoke Home Improvement. Once we have discussed in detail and gathered all the information we need, we can then have the Home Extension or Conservatory roof Individually designed to meet your requirements.

All of our products are designed by our chosen supplier and manufactured in a controlled factory environment, at all times meeting and exceeding Building Control standards and regulation.

Velux Window and Roof Light
Guardian Home Extension with roof light
Supplying and Installing quality products from Industry leading manufacturers.

Our unwavering dedication to quality drives us to collaborate only with established and renowned names, ensuring that our clients receive products that meet the highest standards.


With years of experience, we have cultivated strong relationships with these manufacturers, enabling us to offer an extensive range of cutting-edge solutions that cater to diverse needs.


Our team of experts will be on hand to ensure the smooth installation of your new home improvement, and our commitment to quality means that you can rest assured that your home will be improved to the highest standards.

When you choose Guardian Building Services, you're choosing reliability, performance, and the assurance that you're investing in a service that truly delivers.

Our customers’ feedback is important to us

Conservatory upgrade Testimonial

"Andy and the team worked tirlessly transforming our old conservatory into a modern living area."

Margaret and Alan

Guardian Conservatory Internal Fixed Window Night

"Guardian built a additional living area on our student let property in a tight time window"

Mr Martin

Guardian Home Extension

"Nothing was too much trouble for the team from Guardian while they undertook our two story SIPs extension project"

Martin and Lynne

Guardian Warm Roof Testimonial

"Our first class Kitchen extension was built from SIPs panels in an amazingly short time frame"


Need more info on our product ranges or installation advice?
Have a specific question?

Click here to call us now on +44 7931 760 260

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