First Sentinel

Trusted Construction Services Across Cambridgeshire & Bedfordshire

Based at Wyboston Lakes near St Neots, Tier One delivers professional building solutions from concept to completion

Expert Renovations & Home Extensions

From modern kitchen makeovers to full property extensions, Tier One transforms spaces with quality craftsmanship and attention to detail.

Reliable Commercial & Residential Projects

Supporting businesses and homeowners alike, we deliver on time, on budget, and with a commitment to excellence every step of the way.

Trusted Construction Services Across Cambridgeshire & Bedfordshire

Based at Wyboston Lakes near St Neots, Tier One delivers professional building solutions from concept to completion

From the first spark of an idea to the final finishing touch, we manage every stage of your project with precision, professionalism, and care. Whether you’re planning a residential build, commercial development, or renovation, Tier One is your partner in turning plans into reality.

We can help you, every step of the way

Planning

Every successful build starts with a solid plan. We work closely with you from day one, helping to define your vision, secure planning permissions, and coordinate all pre-construction steps. With expert guidance and a deep understanding of local regulations, we streamline the path from idea to approved project.

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extentions

Looking to expand your space? We specialise in high-quality extensions that blend seamlessly with your existing property, functionality to your home. From single-storey rear additions to complex multi-level designs, we build with integrity and craftsmanship at every stage.

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Building

From the groundworks to the final handover, we handle all aspects of construction with quality, efficiency, and attention to detail. Whether it’s a new build, commercial property, or full renovation, our experienced team delivers work you can depend on — safely, on time, and on budget.

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Renovations

Transform tired spaces into fresh, functional, and inspiring environments. We manage all types of renovation work  from internal reconfigurations and structural upgrades to full-property overhauls. Our goal is to unlock the full potential of your property while ensuring a smooth, stress-free process from start to finish.

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Architecture

Great design is the foundation of great building. Our architectural partners bring creativity, technical insight, and practical know-how to every project. Whether starting from scratch or reworking an existing space, we ensure your designs are not only visually impressive but also buildable, sustainable, and perfectly suited to your lifestyle or business needs.

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Custom Builds

We bring your vision to life with fully bespoke building solutions tailored to your needs, style, and budget. Whether you’re dreaming of a one-of-a-kind home or a unique commercial space, our team works closely with you and your architect to deliver a custom build that reflects your aspirations.

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A word from our director

“My mission is to lead Tier One Developments with integrity, precision, and a commitment to excellence. I believe in building more than just structures — I believe in building trust, lasting relationships, and spaces that truly enhance the lives of the people who use them. From initial planning to the final build, my focus is on delivering high-quality results with clarity, transparency, and a personal touch. Based locally at Wyboston Lakes, I’m proud to support communities across Cambridgeshire and Bedfordshire by making construction simple, collaborative, and reliable.”

Joseph Polfrey

Managing Director

Our work

Conversion

Cambridgeshire

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Extension

Cambridgeshire

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Renovation

Cambridgeshire

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Visit us

Knowledge Centre
Wyboston Lakes
Great North Rd,
Wyboston,
Bedford
MK44 3BY

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