Create More Space With a Professionally Built Home Extension.
A well-designed home extension is one of the best ways to add space, value and modern functionality to your property. At Havant Builder, we specialise in creating beautifully built extensions that blend seamlessly with your home while meeting all building regulations and quality standards.
Whether you’re planning a larger kitchen, an extra bedroom, a home office or a full open-plan transformation, we manage the building work professionally from start to finish.
We provide extension building services across:
Havant • Waterlooville • Emsworth • Bedhampton • Farlington • Leigh Park • Hayling Island • Cosham • Rowlands Castle
Home Extensions in Havant
Ideal for expanding:
Kitchens
Living rooms
Dining areas
Utility rooms
Rear or side ground-floor spaces
We create practical, stylish extensions that integrate perfectly with your existing home.
Add major space upstairs and downstairs with a cost-effective two-storey extension.
Perfect for adding:
Extra bedrooms
Larger living spaces
Additional bathrooms
Extended kitchens
Designed for long-term value and future resale appeal.
We build bright, modern kitchen spaces that become the heart of the home. Options include:
Rear kitchen extensions
Side-return extensions
Open-plan dining/living layouts
Roof lanterns & bifold doors
We work closely with your plans to create a spacious, modern family area.
Transform your home by removing internal walls and creating open, flowing spaces.
Our services include:
RSJ / steel beam installation
Structural wall removal
Floor levelling & finishing
Plumbing and electrical alterations
All structural work complies with building regulations and structural engineering requirements.
✔ Local, reliable builder
We know Havant’s property styles and planning considerations.
✔ Skilled, experienced team
All structural and finishing work is carried out by trained professionals.
✔ Transparent pricing
Clear, detailed quotes with no hidden extras.
✔ End-to-end service
From groundwork to final finishing touches — everything handled seamlessly.
✔ Strong, long-lasting results
Extensions built for comfort, practicality and future value.
Create extra space with a purpose-built garden room, office, workshop or insulated outbuilding. Designed around your home and lifestyle, our garden structures are durable, practical and finished to a high standard — perfect for work, hobbies or additional living space
From minor roof repairs to full replacements, we handle all aspects of roofing work safely and efficiently. Whether it’s fixing leaks, replacing tiles or installing a new roof, our team ensures your home stays protected with long-lasting, high-quality workmanship.
Transform an underused garage into a warm, functional living space. From home offices and bedrooms to playrooms and studios, we manage the full conversion process — including insulation, electrics, plumbing and all finishing touches.