For more than a decade, MJH Builders Southampton has been turning ideas into reality for homeowners and businesses across Hampshire. From home extensions and loft conversions to new builds and full renovations, our reputation is built on trust, quality, and craftsmanship.
As a family-run company, we pride ourselves on delivering exceptional results, combining modern building methods with traditional attention to detail. Whether you’re extending your family home, renovating an older property, or starting from scratch, MJH Builders is the name you can rely on for every stage of your project.
About MJH Builders Southampton
Established in Southampton, MJH Builders Ltd has become one of the region’s most respected names in construction. Our philosophy is simple — to deliver high-quality building work, completed on time and within budget, while maintaining open communication with every client.
We bring years of experience across residential and commercial projects, backed by a dedicated team of qualified tradespeople, architects, and project managers. No job is too big or small — we approach every project with the same level of professionalism and care.
Our Building Services
We offer a comprehensive range of building services throughout Southampton and Hampshire, covering everything from small property improvements to large-scale construction projects.
1. Home Extensions
When you need more space, a home extension can be the perfect solution.
Our expert team designs and builds seamless extensions that complement your existing property, adding value and functionality.
Types of extensions we specialise in:
- Single-storey rear and side extensions
- Double-storey home extensions
- Kitchen extensions
- Wrap-around extensions
- Garage conversions
From planning permission to final finishes, MJH Builders handles every aspect with precision and care.
2. Loft Conversions
Transform your unused loft space into a beautiful, practical area with our loft conversion services.
Whether you need a new bedroom, office, or playroom, our team can help you make the most of your space without the need to move home.
We offer:
- Dormer and Velux conversions
- Full design and structural planning
- Insulation and soundproofing solutions
- Custom storage and finishing touches
A well-planned loft conversion not only enhances your lifestyle but can also add significant value to your property.
3. New Builds
Looking to build your dream home?
At MJH Builders, we manage new build projects from start to finish, ensuring exceptional quality and smooth project delivery.
We work closely with clients, architects, and engineers to create bespoke homes built to the highest standards of safety and design.
Our new build services include:
- Full project management
- Planning and design coordination
- Groundworks and structural builds
- Brickwork, roofing, and internal finishing
With MJH Builders, your new home is built with precision, pride, and passion.
4. Property Renovations
If your property needs updating or restoring, our property renovation services can breathe new life into any space.
From complete refurbishments to structural alterations, we ensure your home retains its character while meeting modern standards.
We cover:
- Full house refurbishments
- Kitchen and bathroom redesigns
- Structural and layout changes
- Flooring, plastering, and electrical upgrades
Our team takes care of every detail, leaving you with a refreshed and functional living space.
5. Roofing and Brickwork
Our skilled tradesmen specialise in roofing, bricklaying, and masonry, offering both repairs and new installations.
We use high-quality materials to ensure durability and weather resistance.
Our expertise includes:
- New roof installations
- Flat and pitched roof repairs
- Chimney rebuilds
- Brick walls and retaining structures
- Pointing and brick restoration
Every job is finished to the highest standard — ensuring your property stays protected and looks great for years to come.
Why Choose MJH Builders Southampton?
Choosing the right building contractor can make all the difference between a stressful experience and a successful project.
At MJH Builders, we believe in delivering a personal, professional, and transparent service from start to finish.
What sets us apart:
- Over 10 years of proven experience
- Family-run business with strong local roots
- Fully insured and qualified workforce
- Honest pricing with no hidden costs
- Excellent customer communication
- References and testimonials from happy clients
We understand that your home is your biggest investment — and we treat it with the respect and attention it deserves.
Our Process – From Vision to Completion
Every project begins with your vision. We work closely with you to ensure that your ideas are turned into reality with precision and care.
- Consultation & Design
We start with an in-depth consultation to understand your goals, budget, and timeline. - Quotation & Planning
A detailed, transparent quotation is provided, along with help in obtaining planning permission if needed. - Construction Phase
Our skilled builders carry out all work efficiently and safely, keeping you updated throughout. - Final Inspection
Before completion, we conduct a full quality check and final walkthrough to ensure total satisfaction. - Aftercare Support
Even after the project is complete, we’re here to help with any maintenance or questions you may have.
Serving Southampton and Beyond
We are proud to serve customers across Southampton, Eastleigh, Winchester, Fareham, and surrounding Hampshire areas.
Our strong local reputation is built on recommendations, repeat business, and a commitment to high-quality workmanship.
No matter where you are in Hampshire, MJH Builders is your trusted local partner for all types of construction work.
Customer Testimonials
Our clients describe us as reliable, professional, and easy to work with — and that’s something we’re proud of.
Here’s what homeowners say about working with MJH Builders:
“The team at MJH Builders did a fantastic job on our kitchen extension. They were punctual, tidy, and finished earlier than expected.”
— Sarah W., Southampton
“We couldn’t be happier with our loft conversion. From start to finish, MJH Builders were professional and communicative.”
— David T., Winchester
These testimonials reflect the passion and pride we put into every single project.
Get a Free Quote Today
Whether you’re planning an extension, renovation, or new build, MJH Builders Southampton is here to make it happen.
Our experienced team is ready to help bring your vision to life with expert advice and unbeatable quality.
