Expand Your Living Space with House Extension Services in Portsmouth & Southampton
Your property can offer many variations and choices for extensions, both in location and size. Layout options can be tailored to suit you or your family’s needs. Limewood Builders South Limited has skilled house extension experts in Portsmouth and Southampton who can guide you through these choices, so the design fits your lifestyle perfectly.
Extensions can form part of the existing structure either at the rear or sides of the building or to the front. Extensions can also form part of existing outbuildings or can even be stand-alone structures within the boundary of the property.
You might even consider open-style extensions to form a usable part of the garden and offer a social function for you or your family. House extension ideas like this provide flexibility and a great opportunity to enhance your living space.
“A well-designed and considered extension can combine a number of uses for your household and can incorporate existing designs or stand apart from them. The Choice is yours!”
Any extension can also incorporate various materials, and the external fabric can be used to blend in or suit the existing structure. Whether you’re looking for a sleek modern finish or a more traditional design, our house extension experts will help you explore all the possibilities.
The best type of extension depends on your space, lifestyle, and budget. Popular options include rear extensions for open-plan kitchens and living areas, loft conversions for extra bedrooms, or side extensions to add a study or utility room. Our builders can help you choose the design that works perfectly for your home.
If you love your home but need more room, extensions and conversions are ideal. A rear extension can create a spacious kitchen or lounge, a loft conversion adds bedrooms or offices, and even garages or basements can be transformed. We focus on smart designs that maximise your space without the hassle of moving.
Yes, side or front extensions are possible, though they require careful planning to suit your property and local regulations. Side extensions often provide extra living space or utility rooms, while front extensions can improve entrances or add home offices.
Absolutely! Every home and family has unique needs. We listen carefully to how you live and what matters most, then design extensions that complement your lifestyle. Whether you want an open-plan kitchen, extra bedrooms, or a stylish lounge, our team ensures the finished space works beautifully for you and your family.
Expert House Extension Design and Materials Guidance
You might prefer to open up the focal point of your rooms by utilising a full glass wall screen or doors, or other more traditional methods using block and render or a brick face. The options are wide and varied, and it is that knowledge of materials and options that we bring to the design process. House extension ideas such as these can completely transform your living space. We can help you identify the advantages and disadvantages of certain design choices and also assist in defining the cost of procuring and installing such materials.
Sometimes it’s difficult as a builder to recognise the dreams and aspirations of the customer. It is in these cases that relationships and communications can break down. However, Limewood Builders South Limited removes this eventuality by recognising the client’s needs and creating a working relationship through the initial design and feasibility stage. It ensures we understand the client and their needs as well as their aims and objectives. And in turn, the client gets the confidence and satisfaction in the work as it’s being undertaken through to its completion. Our head office is based in Portsmouth. But if you’re looking for house extension services outside of Portsmouth, that’s fine, as we cover the whole of the south of England. So, contact us to discuss your home extension needs and let our experts guide you through the entire process.
There are plenty of options to suit your style and budget. Popular choices include brick to match your existing home, timber cladding for a modern feel, or render for a clean, contemporary look. We can also explore mixed materials to choose something that blends seamlessly with your property and surroundings.
Yes, absolutely. Experienced builders can provide a detailed estimate of material costs based on your design and preferences. They consider quality, durability, and availability by giving you a clear picture of what your project will need. This way, you can plan your budget realistically and avoid unexpected surprises along the way.
Each material has its strengths. Brick is durable and low maintenance, but can be more expensive. Timber is lightweight and modern-looking but may need more care. Render can create a smooth, stylish finish, but it can crack if not maintained. Our team can guide you to the option that suits your home and lifestyle best.
Yes, we do. While Portsmouth is a core area, we also work in Southampton and the surrounding parts of South-East England. We aim to bring the same quality, care, and attention to detail to every project, no matter where it is. So you get reliable and professional service throughout.
Our House Extension Projects Across Portsmouth & Southampton
When you are thinking about extending your home, it helps to see what other homeowners have done. A house extension can look very different depending on the property, the space available and how the new room will be used. Our previous projects give you a chance to see a few ideas we have brought to life across Portsmouth, Southampton and nearby areas.
Have a look through the gallery, and you may spot something that gives you an idea for your own home. It could be a larger kitchen, extra family space, a better connection to the garden or simply a more practical layout. If you have something similar in mind, talk to us about your property, and we can discuss what may be possible.
We have worked on different types of house extensions and property improvements across Portsmouth, Southampton and nearby areas. You can see examples in our project gallery.
You can look through our project gallery to see examples of completed building work and get ideas for your own extension.
Absolutely. Seeing real projects can help you think about layouts, extra rooms, garden access, glazing and how you might use the new space.
Yes. We look at the existing property first and consider how the proposed extension can work with the house and the space around it.
What Makes Us the Most Trusted Builders in the Area
30 Years’ Industry Experience
Limewood Builders South Limited is a family-run building company backed by over 30 years’ experience in construction and property development. We bring personal care and experienced oversight to projects across Portsmouth, Southampton and the surrounding area.
We Are Local
We are a trusted local builder proudly serving Southampton and Portsmouth, delivering exceptional home extensions, loft conversions, and basement projects with personalised services, expert craftsmanship, and a deep understanding of the community.
Many Happy Clients
We are valued by many homeowners across Southampton and Portsmouth for our professionalism, reliability, and lasting results.
What Customers Say About Our Extension Works
There is no better way to understand what it is like to work with a builder than hearing it from the people who have already done it. Our customers have talked about the quality of the work, good communication and how we handled their projects. Knowing the customer was happy with the finished result meant a lot to us. That is the kind of feedback we value most — not just praise for the finished work, but knowing we made a difficult building situation easier for someone.
Frequently Asked Questions
Most single-storey rear extensions and small projects can fall under permitted development, but larger or multi-storey extensions usually need planning permission. We always check the rules for your property, so you can proceed confidently without unexpected delays or issues with your local council.
Building regulations cover safety, structure, insulation, drainage, and fire protection. In the South of England, these standards ensure your extension is safe, energy-efficient, and built to last. We handle all compliance checks, so you don’t have to worry about paperwork or inspections.
The first step is a consultation. We discuss your ideas, lifestyle needs, and budget, then explore design possibilities. This helps us create a clear plan by giving you a realistic idea of cost, timeline, and how your new space will fit seamlessly with your home.
Costs vary depending on size, design, materials, and whether you want a single-storey or two-storey extension. We provide personalised quotations based on your project for transparency. Our aim is to give you a realistic, upfront cost without hidden surprises.
Our quotations cover everything from design and materials to labour and compliance checks. We detail costs for planning, building regulations, and finishing touches, so you know exactly what’s included. There are no hidden fees, just a clear plan for your extension project.
We combine over 30 years of experience with personalised service, care, and attention to detail. From initial consultation to project completion, we handle everything smoothly. Our focus is on creating beautiful, practical spaces and keeping the process stress-free and enjoyable for every homeowner.
What Else We Can Do for You
Loft Conversions
Ready to convert your loft into a functional space? Consider a professional loft conversion and experience the transformation.
Definitely! We specialise in transforming unused lofts into practical and stylish living spaces. From bedrooms and offices to entertainment rooms, we handle everything from design to construction. So the entire process remains simple and stress-free for you.
Our loft conversion service covers design, structural assessments, planning advice, construction, insulation, and finishing. We focus on maximising space, natural light, and usability. So your loft becomes a comfortable, functional, and valuable part of your home.
Property Refurbishment
If you want to give your property an overall makeover for long-term benefits, property refurbishment is for you.
We provide full property refurbishment services, including interior and exterior upgrades, kitchen and bathroom renovations, rewiring, and structural improvements. We breathe new life into your property to improve both aesthetics and long-term functionality.
Of course! Our refurbishment service transforms homes with careful planning, attention to detail, and high-quality craftsmanship. We work on every element of your property to ensure it meets your needs, modern standards, and personal style. So, at the end, you can get a refreshed, comfortable, and practical living space.
Basement Conversions
Have any ideas to transform your abandoned basement and do something amazing with it? Then contact us today!
Limewood Builders South Limited can. We specialise in converting basements into functional spaces, whether you want a home office, gym, entertainment room, or extra living area. We handle the design, waterproofing, construction, and finishing for a smooth, hassle-free experience.
Yes, we do. Our basement conversion service covers everything from planning and waterproofing to structural work and finishing touches. We strive to transform underused basements into safe, stylish, and practical spaces that perfectly suit your lifestyle.