Home Extension Builders | Poole, Dorset

We plan, design and build home extensions for homeowners in Poole & surrounding areas, managing all aspects of the project for a stress-free experience.

Need a quote for your home extension in Poole, Dorset?

Get your bespoke extension quote from Brother Build today


Need a quote for your home extension in Poole, Dorset?

Get your bespoke extension quote from Brother Build today


Comprehensive Home Extension Building Services

Experience unmatched craftsmanship, complete project management, and the personal touch of a family-run business.

home-reno-exterior-finished-brother-build-carpentry-and-construction-specialists

Expertise • Quality • Space

Single & Double Storey Extensions

Enhance your home with expertly constructed extensions tailored to your needs. Whether single or double storey, our transformations seamlessly blend with your property, creating additional space and boosting functionality for your family.

house-extensions-planning-and-preperation-brother-build-outdoor-living-dorset

Precision • Efficiency • Confidence

Planning & Project Management

Transform your home with ease. Our expert project management handles every detail, from planning to on-site coordination, ensuring your renovation or extension is seamless and stress-free.

interior-renovation-brother-build-dorset

Creative • Seamless • Elegant

Bespoke Design & Finishing Touches

Experience the difference with our custom design service, adding unique style and detailed perfection to your spaces. Transform your home with elegant touches that reflect your personality and enhance everyday living.

Looking for something else?

Trusted Home Extension Builders in Poole, Dorset

Are you worried about unfinished projects or hidden costs?


Choosing the right builder comes with familiar worries: will the work be top quality, will the budget hold, and will the timeline actually be met? Too many homeowners have dealt with shoddy workmanship, spiralling costs, or projects that drag on unfinished. Inviting trades into your home requires trust, and the fear of being let down by unreliable contractors can make the decision feel overwhelming. What matters most is confidence that your chosen team will communicate openly, deliver on promises, and respect your home as if it were their own.

That’s exactly what sets Brother Build apart. Run by Owen, our family business is built on professionalism, honesty, and a commitment to long-term client relationships. Every project is carried out with precision and care from day one - no hidden costs, no nasty surprises. We take genuine pride in our craft, blending skill with a personal touch that homeowners notice straight away. Discover what it’s like to work with a builder who values detail and integrity - book your free consultation today.

Highly Regarded by Homeowners Throughout Poole, Bournemouth & Dorset

From single and double-storey extensions in Bournemouth to bespoke garden rooms in Christchurch, Brother Build has transformed countless homes across Dorset and Hampshire. Our team has expertly managed planning and project executions in areas like Poole and Ringwood, ensuring each project is as unique as the families we serve. Clients consistently choose us for our superior craftsmanship, transparent communication, and unwavering commitment to delivering long-lasting, high-quality work.

Your Dependable Home Extension Builders

Experience stress-free extensions with meticulous care and seamless management, delivered with pride and integrity by our family to yours.

Seamless Project Management

Our expert team handles everything for a stress-free build, from planning to finishing touches, ensuring peace of mind.

Craftsmanship Like No Other

Every project is completed with meticulous care and attention, ensuring your home improvements feel as personal to us as they are to you.

Trustworthy Craftsmanship Guaranteed

Brother Build offers insured work and warranties, ensuring peace of mind and exceptional quality for every home improvement.

Transform Your Home with Ease in 3 Simple Steps

From our first call to completion, enjoy a smooth and stress-free experience

Request a Quote

Contact us to schedule your consultation. We'll provide a detailed, tailored quote, ensuring transparency and peace of mind.

Comprehensive Project Management

We take care of planning, materials, and scheduling, ensuring seamless progress while keeping you in the loop.

Build and Finish

Our skilled team crafts every element meticulously, ensuring your extension is completed flawlessly and to your specifications.

Trusted Home Extensions and Renovations for Dorset & Hampshire Families

Explore Single & Double Storey Extensions in Poole and bespoke Planning & Project Management in Christchurch. Clients choose us for our craftsmanship, communication and consistently high-quality results.

Our Process

From first conversation to flawless completion – here’s how we get things done.

Step 1: Initial Consultation

We’ll start with a friendly chat to understand your goals. From here, we can arrange a site visit to look at the space in detail.

Step 2: Detailed Quotation

After assessing the project, we’ll provide a fixed, itemised quote. No hidden costs, no nasty shocks – just complete clarity so you can make confident decisions.

Step 3: Planning & Preparation

From architectural drawings and planning permissions to sourcing trusted materials, we take care of every aspect of preparation, ensuring everything’s ready before the first tool hits the ground.

Step 4: Construction & Craftsmanship

This is where our carpentry and construction expertise shines. We’ll carry out the build to the highest standards, coordinating trades, managing timelines, and keeping you updated at every stage.

Step 5: Final Touches & Handover

Once the work is complete, we’ll walk you through every detail to make sure it’s exactly as promised. With warranties in place and a tidy site left behind, you’ll be ready to enjoy your new space for years to come.

Finding Your Home Extension Builders in Poole Doesn’t Have to Be Stressful

Your Home Extension Made Easy with Lasting Quality


We understand the common concerns when choosing a builder: will they deliver quality work, stay within budget, and stick to the schedule? Homeowners often face anxiety about poor workmanship, unexpected costs, and projects left unfinished. Trust is paramount, especially when inviting someone into your home. The fear of being misled by untrustworthy builders can make the decision daunting. It’s all about knowing that your chosen team will communicate clearly and respect your home as much as you do.

At Brother Build, we pride ourselves on our professional, reliable, and transparent approach. As a family-run business led by Owen, we focus on building enduring relationships with our clients, ensuring each project is done right the first time with no hidden surprises. We treat every home like our own, combining skilled craftsmanship with a personal touch. Experience the difference of a trustworthy, detail-oriented team - request your free consultation now!

Planning a home extension in Dorset or Hampshire?

Contact us now for your bespoke project quote


Frequently Asked Questions

For any additional questions you have, contact us and we'll get back to you with an answer.

What areas do Brother Build cover for home extensions?

Brother Build proudly serves Dorset and Hampshire, including Bournemouth, Broadstone, Christchurch, Ferndown, Fordingbridge, Poole, Ringwood, Verwood, Wimborne Minster, and West Moors. We're committed to bringing our high-quality home extension services to these locations, ensuring every project is handled with expertise and care.

How do Brother Build manage large home extension projects?
What makes Brother Build different from other builders in Poole?
Do garden rooms require planning permission?
Are consultations for home extensions free?