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New loft and re roof in Brighton by Investor Build Ltd

Elevate Living: Premier Loft Conversions and House Extensions in West Sussex

From concept to construction: your dream, our expertise.

Take your living space to the next level with Investor Build. Whether it's a loft conversion or house extension, our designs are as unique as you are. Begin building your vision with us.

Where expertise meets innovation in crafting transformative loft conversions and house extensions.

Our seasoned team at Investor Build Ltd is well-versed in translating your architectural vision into reality. Working alongside local architects and structural engineers, and with vast experience in guiding you through the stages of planning permissions, we ensure that every loft conversion and house extension meets the highest standards of safety and structural integrity.

Loft Conversions

With a foundation built on architects' drawings, structural plans, and engineering precision, we navigate the intricate stages of your project from inception to completion.


Transform the unused space in your home with our bespoke loft conversions. From initial structural assessments to the finishing touches, we reimagine your attic into functional and stylish living areas. Our fully insured and skilled team ensures that every detail, from structural works to new en suites, is executed with precision and creativity.

Large bedroom in loft conversion with en suite bathroom
Kitchen with open patio doors to garden

House Extensions

Expand your living space with our house extension building services. 

Whether you're dreaming of a spacious new kitchen, a home office, or an extra bedroom, we handle every aspect of the process. From the initial design stage to construction, our team is dedicated to creating an extension that harmoniously integrates with your existing home.

Choose Investor Build for a collaborative journey that goes beyond construction.

Our commitment is not just to build structures but to create living spaces that ideally blend with your lifestyle. Contact us today, and let's embark on the path to enhancing your home with exceptional loft conversions and house extensions.

Bathroom in loft conversion

We don't just build structures; we craft environments that inspire and enhance your lifestyle.

From the moment you decide to transform your home, our dedicated team is here to guide you through every step of the process.

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