Conversions
A conversion is one of the most effective and affordable ways to unlock extra living space in your home. At Mercer South, we help families across Hayling Island and Hampshire transform underused space into practical, stylish rooms that add both comfort and value. Whether you want a home office, gym, playroom, or guest suite, our family-run, multi-trade team delivers conversions that are tailored to your needs and finished to the highest standard.
We believe every home has hidden potential, and a conversion is a smart way to make the most of what you already have. From initial design and planning through to electrics, insulation, flooring, and decoration, we manage the entire process with our trusted in-house team. Because we coordinate every trade — builders, electricians, plumbers, and decorators — you can rely on us for a seamless project with consistent quality throughout.
Based on Hayling Island, Mercer South has built a reputation across Hampshire, including Portsmouth, Chichester, and Southampton, for reliable workmanship and excellent customer service. As a family-run company, we take pride in offering a personal, approachable service where communication is key. Our clients value the fact that we keep them informed at every stage, giving them confidence that their project is in safe hands.
A well-planned conversion can transform the way you use your home, creating a new space that is warm, comfortable, and designed around your lifestyle. It can also add significant value to your property, making it a worthwhile investment for the future.
If you’re looking for a trusted local builder on Hayling Island to carry out your conversion, Mercer South is here to help. Contact us today to discuss your ideas and discover how we can create a space that works for you.
WHY CHOOSE US
With over 80 years of combined experience, we deliver expert construction services built on trust and professional integrity. We pride ourselves on a seamless process that prioritizes your vision and peace of mind. Our commitment to excellence is reflected in our core standards:
- Financial Responsibility to Our Clients
- Superior Quality and Craftsmanship
- Quality and Value to the Projects We Deliver
- Highest Standards in Cost Control
- On Time and on Budget
- Real Focus on Customer Satisfaction
POPULAR QUESTIONS
Many conversions fall under “Permitted Development,” meaning full planning permission isn’t always required. However, there are specific limits on volume and height. With our two generations of experience, we can guide you through the local regulations to ensure your project is fully compliant with building control from day one.
Safety is our priority. Whether we are reinforcing floor joists in a loft or upgrading the slab in a garage, we ensure all structural work meets modern building standards. We provide the “superior quality and craftsmanship” needed to ensure your new living space is safe, sound, and seamless with the rest of your property.
Yes. We specialize in transforming “cold” spaces into comfortable rooms. We use high-performance insulation and high-quality glazing to ensure your new bedroom or office stays warm in the winter and cool in the summer. This not only makes the space livable but also helps maintain your home’s overall energy efficiency.
While every project is unique, most garage conversions take 2–4 weeks, while loft conversions typically take 6–10 weeks. As a family-run business, we understand the importance of your schedule; we work to a strict timeline to ensure your project is delivered “on time and on budget” with minimal disruption to your daily life.
We’re a family of experienced builders with a team of project managers, and main contractors committed to delivering excellence in every project.
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