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The Guardian Home Extension

Transform your home with the most advanced, energy-efficient building system available, to create a comfortable and affordable living space.

The Guardian Home Extension is a great way of adding both square footage and value to UK properties.

If you need to increase your UK living space but do not want the upheaval of moving, then a well executed house extension is a great way of adding both square footage and value to your property.


Expertly constructed with insulated roof and walls, double-glazed windows and strong, steel-reinforced structures, a Guardian™ home extension is the affordable UK alternative to a traditional brick-built structure.

Guardian Roof construction allows you to create a spacious and light vaulted roof which may not achievable with conventional timber roof structures.

Faster Installation

The whole extension installation is completed over a short period of time with minimum disruption to your home.

Engineered for quality

Each Guardian Home Extension is engineered precisely to your individual requirements and pre-assembled under controlled factory conditions to ensure the highest quality for reduced installation costs.

Lower energy costs

It has been independently proven that a Guardian Home Extension can save you money on your energy bills through the use of high performance insulation systems.

Range of external finishes

We supply a range of finishes to match or compliment your existing structure. From timber cladding to render for the walls, and tile or slate for the roof, offering the perfect look for your building design.

Regulation compliance

The Guardian roof is a superb system and is LABC and LABSS approved (fast track building approval).

Kingspan TEK® Building System

The Kingspan TEK® Building System is recognised by major building warranty providers such as NHBC (mortgageability).

Guardian provide a spacious, open-plan extension to your UK home using cutting edge construction techniques.
Your new extension will be comfortable and warm with outstanding energy-efficiency with a U-value of 0.10 W/m2K, it is the most energy saving home extension available.