House Extensions in Worthing & Sussex
At Main Construction, we get it done.
Expert builders for house extensions, kitchen extensions, and full home transformations across Worthing and Sussex.

Tradition meets innovation
Your trusted partner for high-quality house extensions and construction projects in Worthing and across West Sussex.
With over 42 years of experience in the construction industry, we are known for our quality craftsmanship, attention to detail, and customer-focused approach.
Whether you’re planning a new home, a house extension, or renovating an existing property, we’re here to get the job done and get it done right.

Our building services at a glance
At MAIN, we offer a wide range of building services across Sussex tailored to meet your individual needs.
Our experienced specialists are dedicated to bringing your visionary ideas to life.

Renovation
Our renovation services are designed to modernise and improve existing properties, enhancing both functionality and appearance.
Whether it’s a full property renovation or targeted upgrades, we deliver high-quality results that bring new life to your home.

Refurbishment
We carry out refurbishment projects with precision and care, including energy-efficient upgrades and the restoration of period properties.
Our team ensures all work is completed to a high standard while respecting the character and structure of your building.

Interior design
We create well-designed interior spaces that balance practicality with visual appeal.
From layout planning to finishing details, we ensure your interiors are functional, comfortable, and tailored to your lifestyle.
Our Past Build Projects – See for yourself!
Take a look at some of our successfully completed projects:

Single-family home
A modernisation and house extension project on a traditional Sussex home, designed to create additional living space while maintaining the character of the property.
Completed using high-quality, sustainable materials for long-term performance.

Large Rear Extension
A spacious rear house extension designed to improve layout, increase natural light, and enhance overall functionality.
This project transformed the ground floor into a bright, open-plan living space ideal for modern family life.

Refurbishment
A complete refurbishment of a large family home in the heart of the city, including structural improvements, interior upgrades, and modern finishes.
The result is a refreshed, functional living space tailored to the client’s needs.

Interior design
A fully designed and installed bathroom project, delivered from initial planning through to final completion.
This space combines practical layout with a clean, modern aesthetic and high-quality finishes.

Out Houses & Office Rooms
Help with Design

Specialist Work
Timber ,Plaster & Metal Work Design

Fully Fitted Kitchens &
Bathrooms
All structural & finishes undertaken by us
Contact us!
Address
Telephone: 07979803773
E-mail: gpbuild@hotmail.com
Address: Durrington Lane, Worthing, BN13 2QT