Professional Builders in Worthing, Chichester and the Surrounding Areas

Based in Worthing, Phase One Build is a natural development of our successful sister company, Phase One Carpentry. Catering for domestic and commercial clients in Worthing and Chichester, we provide everything from new builds to property refurbishments. With a dedicated team of house builders and contractors, we are proud to deliver an extensive range of building services. This includes professional project management to ensure customers get the best value and efficiency when undertaking property extensions, loft conversions or other projects.


About Us


Our full-time tradesmen all have minimum City and Guilds level 2 qualifications and pride themselves on delivering professional services across every project. Customer satisfaction is a top priority for our builders, which is why we offer 12 month guarantees on all work.


We are fully insured for your complete peace of mind and are a trusted member of Checkatrade. No matter the scope of your project, we approach each job with the same dedication and precision, using modern, high-quality materials for reliable and durable results.

Comprehensive Services


To ensure we meet the needs of customers in Chichester and Worthing, we undertake full project management, no matter the size of the job. With extensive skills, our house builders and tradesmen complete many aspects of projects themselves. To remove some of the stress of construction, we offer:


  • Architectural Drawings
  • Structural Calculations
  • Building Control Adherence
  • Plumbing and Electrics


This allows us to see projects through from conception to completion, including:


  • Property Extensions
  • New Builds
  • Loft Conversions
  • Property Refurbishments


To make construction in Worthing, Chichester and the nearby areas more personal to customers, we design and install bespoke units for a range of spaces. Our expert carpenters and house builders possess the skills to perform major property refurbishments and even construct new builds for domestic and commercial customers. However, no job is too small for Phase One Build and we regularly deliver tailor-made services to less extensive projects in Sussex.


You can find more detailed information about our most popular work below, and on the relevant pages of this website. Contact us for a comprehensive list of additional services.

Property Extensions and Loft Conversions

We often help customers in Worthing maximise their space. Property extensions and loft conversions provide additional bedrooms, bathrooms, or any other room you need. They are cost-effective and versatile ways for house builders to improve existing structures.


Property Refurbishments

For individual rooms, or whole properties in need of some TLC, our builders carry out property refurbishments. Performing structural and non-structural repairs and replacements, we return safety and function to buildings in Chichester and Sussex.


New Builds

From garden offices to property extensions and new homes, our house builders carry out modern, bespoke projects. We work closely with customers in Worthing and Chichester to ensure we meet your needs and, with 32 years combined experience, our builders deliver reliable, friendly service for every budget.

When you need reputable builders in Worthing, Chichester and the surrounding areas, call 01903 916 584, 07730 006505 or 07938 433186.

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Loft Conversions in Worthing
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Property Refurbishments in Worthing
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