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Extension builders near me: Find and book local home extension builders

Whether you're adding a new room or building a full extension, hiring an extension builder ensures professional construction and adherence to regulations. MyBuilder connects you with verified building professionals who specialise in home extensions, conversions and renovations. Read reviews, post your job for free and get matched with local extension builders near you!

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Browse profiles, work history, and feedback, then choose who you wish to share your details with.

Some of our top rated extension builders

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  • At Loco Projects, we specialize in delivering seamless construction project management solutions tailored to meet the unique needs of every client. With a strong focus on efficiency, precision, and collaboration, we ensure that every project is completed on time, within budget, and to the highest standard of quality. Our expertise spans across residential, commercial, and infrastructure developments, where we act as the central link between clients, contractors, architects, and consultants. By leveraging industry best practices, modern technology, and a client-first approach, we streamline processes, minimize risks, and drive successful project outcomes. What sets us apart is our commitment to transparency, proactive problem-solving, and personalized service. From planning and procurement through to execution and delivery, Loco Projects is dedicated to turning visions into reality while maintaining the highest level of professionalism and integrity. At Loco Projects, we don’t just manage projects — we build trust, value, and long-term partnerships.

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  • Trading since 1988, family firm reliable with good references All works undertaken from maintenance to small housing developments.

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  • I am involved in construction for over 20 years in general building from the littlest to the bigest job anything you want us to do in your home, house , or flat. No job to big or to small for us

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  • Friendly, reliable handyman with over 20 years of experience in both residential & commercial work. I provide a professional service, quality craftsmanship, and solutions you can trust. All jobs undertaken, small or large.

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  • About ADDALEVEL Building Services Ltd is a distinguished company located in the heart of Stone, proudly serving the Kent area with a wide range of expert building services. Specialising in extension building, loft conversions, garage conversions, and renovations, our team is dedicated to transforming your living spaces into something truly remarkable. Whether you're looking to expand your home with a new extension or convert your loft or garage into a functional area, we have the skills and experience to bring your vision to life. Our seasoned roofers are also on hand to ensure your home is protected from the elements, providing reliable roofing solutions that stand the test of time. At ADDALEVEL Building Services Ltd, we understand that your home is your sanctuary, and we strive to enhance its beauty and functionality with every project we undertake. Our commitment to quality craftsmanship and customer satisfaction sets us apart in the competitive Kent market. We are ideally situated to serve the entire Kent region, bringing our expertise and passion for building to each and every project. Our end goal is to ensure that your project is completed to the highest standards.

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  • Reliable, friendly and a professional team with professional work guarantee. We take pride in our work and reputation is everything. We do work from maintenance/minor works to loft/house extensions.

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  • Seaton-Robinson construction limited I'm a builder with 30 years experience I have a team who work for me ( plumbers,eletriction, carpenters ,all trades. We do all aspects of building works from small extensions ,loft conversions ,double storey extensions and total refurbishments. We can do all aspects of work on the building site even down to the decorating.

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  • Hello, I’m Sidharth from Shubh PVT LTD. I have been working as a professional tiler for 4 years, gaining extensive experience in residential and commercial projects such as kitchens, bathrooms, and flooring. Throughout my career, I have completed numerous successful jobs and honed my skills in tile installation, grouting, and surface preparation. I am based in Woodford, and I’m happy to travel to nearby areas for tiling work. No matter the size of the project, I’m ready to help with your tiling needs. My special skills include precise tile cutting, placement, and ensuring smooth, professional finishes every time. I take pride in delivering high-quality work that meets your expectations. You should hire me because I am dedicated to completing every job with the utmost care and attention to detail. I am reliable, professional, and always strive for perfection in every project. Let me help bring your tiling vision to life!

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  • At Goodall Joinery and Building, we don’t just expand your home—we enhance your life. For us, it’s about more than bricks and mortar. At Goodalls, we craft spaces where cherished memories are made and shared with your loved ones for years to come. One thing that our clients always seem to mention when giving us feedback, is our attention to detail. Our ethos is based on the highest of quality work, and going above and beyond for our valued clients.

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  • Cook Construction comprises of an expert team of builders who specialise in high end property make overs. With over 17yrs in the industry you can rest assured that we have a wealth of knowledge that shows in our workmanship and in our work when we finally give you a home you can be proud of. If you are looking for a team of highly knowledgeable hard working builders for your project then one of the team would be more than happy to come and discuss in person your ideas with you and let’s together make it a reality.

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  • Usto Co is a London-based multi-trade service specialising in: Bathroom plumbing & installations Electrical works & repair Plastering & preparation work Tiling and waterproofing Painting & decorating Carpentry and finishing details I deliver clean, high-quality workmanship, reliable communication and respectful service in every home. All projects are completed carefully from start to finish with attention to detail.

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  • Badbury Group is a local building contractor based near Poole in Dorset with a hands-on approach and over 15 years' experience within the construction industry. Badbury Group has a reputation for achieving and maintaining the highest standards of build quality for both domestic and commercial clients. We have an extensive portfolio of projects completed on behalf of private residential clients, business clients and investment partners throughout Dorset and Hampshire. We are highly experienced in both new build projects and complex extension, refurbishment services and garage conversions, as well as modular and bespoke garden rooms.

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  • 🧱 Professional & Reliable Bricklaying Across North Wales, Cheshire & the North West

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  • Welcome to Arti Construction Services Ltd, your local builders based in Wimbledon. We are a family-run business with more than 25 years of experience in the construction industry. We have built our reputation by providing high-quality building services. We provide a high-quality service at a reasonable price and work with you throughout the process from initial building design to completion of the project. From loft conversion and house extension to full house refurbishment and kitchen and bathroom renovations, we have you covered. We will survey the work required, provide relevant advice, recommend options, and follow up with a free quotation. Our professional team is fully insured.

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  • I've been lucky enough to have spent the last 15 years building homes that are usually in excess of 2-3 million pounds, during These years my attention to detail I believe can't be beaten. The last 5 years i have been a site manager with anywhere up to 30 people on site, so dealing with clients architects and all other trades comes very easily for me .I specialise in natural stone and my work has had 2 awards and featured in grand designs catalogue multiple times. All aspects of building work can be undertaken by myself from digging footings and slabs to 2nd fixing carpentry. Every job, large or small scale will always have my full attention and dedication. So if your needing a garden wall building or your dream home then get in touch with me and I know you'll be very happy from the outcome

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  • We specialise in residential refurbishment and renovation & design. From initial ideas to drawings, planning, designing the best construction solution, to our dedicated team carrying out the work, turning your ideas into built reality. James Brice, RIBA qualified Project Manager, oversees each project with experience on challenging projects, listed buildings and complex design. His technical background and eye for design/detail, will ensure quality and the best possible outcome. James is also a qualified mediator and helps other clients and contractors resolve disputes.

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4.4

Top rated Extension Builders

Our Extension Builders, are rated 4.4 out of 5 based on 290 reviews from customers like you.

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Find local extension builders near you for construction and renovations

Home extension builders provide a range of professional services to help you add more space, improve functionality, and upgrade the value of your home.

Whether it’s building new extensions, renovations or loft conversions, these are significant projects.. That’s why finding the right extension builder near you is key.

MyBuilder makes searching for extension builders near you easy. Just post your job for free, review profiles of interested house extension builders and compare quotes and customer feedback. It’s quick, straightforward and puts you in control.

Don’t put off your extension project any longer! Find interested and available house extension builders on MyBuilder today.

What services do local extension builders near me offer?

Extension builders help create more space and enhance the functionality of your home. From new builds to conversions and refurbishments, the right professional ensures that your project meets building regulations and is completed to a high standard.

On top of that, extension builders can also assist with structural work, planning and project management to ensure a smooth, hassle-free build. Whether you’re looking to extend your living room or add a second storey, extension builders on MyBuilder have the know-how to get the job done.

  • New builds and extensions: Constructing new rooms, conservatories or expanding existing spaces.
  • Loft and attic conversions: Transforming unused lofts into functional rooms like bedrooms or offices.
  • Home renovations and refurbishments: Upgrading your home, including kitchen, bathroom and living space remodelling.
  • Structural work: Foundations, roofing and major structural changes to your home.

MyBuilder makes it easy to find verified extension builders across the country, connecting you with local professionals who specialise in home extensions and structural improvements.

Simply post your project on our site for free, and local extension builders near you will register their interest. You can then discuss your plans, request quotes, and review profiles to find the right builder for your home and budget.

What jobs can extension builders near me help with?

Extension builders specialise in the construction, design and completion of home extensions and large building projects. Their services cover a wide range of tasks, from adding extra rooms to structural renovations.

Here are some of the key jobs an extension builder can assist with:

It’s easy to find the right home extension builder near you on MyBuilder. Simply post your job for free, read real reviews and connect with local extension builders, without the need to conduct the search yourself.

Find an extension builder near you with MyBuilder (in 5 simple steps)

If you’re wondering, “How do I find an extension builder near me?” MyBuilder makes the process simple.

Step 1: Post your extension job on MyBuilder

Use MyBuilder’s straightforward form to post your job in detail. Include information about your plans, materials, finishes, and photos or drawings if available. The more detail you provide, the easier it is for local extension builders to understand your vision.

Step 2: Browse local extension builders in your area

Once your job is live, you can browse through profiles of local extension builders near you who are available to take on your project. Review their experience, previous projects, and customer feedback, all before deciding who to hire.

Step 3: Discuss your project with local builders

Select the extension builders who are most aligned with your project and contact them on the platform to discuss your job and ask questions. This is the perfect time to talk through your requirements, timeline, budget, and any planning or structural considerations.

Step 4: Hire the extension builder that best fits your needs

When you’ve received quotes and details from multiple extension builders in your area, review them carefully and choose the one that best suits your needs.

Make sure all costs, materials, and timeframes are agreed upon in writing before work begins. Having a written contract in place helps avoid any confusion or misunderstandings during the project.

Step 5: Your builder completes the extension

Once you’ve appointed your builder, they’ll arrange a schedule and get started. When the project is complete, you can leave a review of your experience to help future homeowners make informed choices.

How much does an extension builder cost?

Extension builders generally charge between £200 and £300 per day for larger projects such as house extensions or full property renovations. For bespoke designs or complex structural work, prices are usually agreed in advance based on project scope, materials, and labour requirements.

Typical costs for popular extension projects:

Note: If you are unsure about how much your extension building job will cost, you can easily talk to local professionals on MyBuilder.

All you need to do is post your job with the questions you want answered, and extension builders near you will be in touch.

What qualifications should extension builders hold?

When hiring an extension builder, it’s a good idea to check that they have the right training, certifications, and insurance to complete your project safely and to a professional standard.

Look for memberships with recognised trade bodies such as the Federation of Master Builders (FMB), and confirm that the builder offers a written guarantee on their work. Always ask for proof of public liability insurance to protect against any accidental damage during construction.

Key qualifications and checks for extension builders:

  • CSCS Card – Confirms the builder has the skills and training to work safely on construction sites.
  • NVQ (Construction or related trade) – Shows competency and hands-on experience in their specific trade.
  • SMSTS Certification – For builders managing projects, this ensures proper safety and site supervision training.
  • Gas Safe Registration – Required if the builder will work with gas systems or appliances.
  • NICEIC Certification – Verifies that electrical work meets safety standards.
  • FMB Membership – Demonstrates credibility, professionalism, and a commitment to best practices.
  • CPCS Card – Confirms that they’re qualified to operate construction machinery if needed.

All tradespeople on MyBuilder undergo checks at registration, such as ID documents, company details, certifications for regulated jobs and skill assessments.

Posting your job on MyBuilder is simple and free. Just type in what you need, and our clever match-making process will help you find the right extension builder for your job.

Finding extension builders near you is easy with MyBuilder

Finding an extension builder near you isn’t always easy, especially when you want someone available to take on your project.

Follow these simple steps to connect with local extension builders through MyBuilder:

  • Post your extension job online for free and reach local extension builders without any upfront costs.
  • Receive interest directly from available professionals, no chasing or cold calls needed.
  • Every builder on MyBuilder is ID-checked and skills-assessed before joining, so you can hire with confidence.
  • Review each builder’s profiles, customer feedback, and past project photos to compare.
  • Book the right extension builder for your job with confidence. It only takes a few clicks.

Choose who you’d like to speak with, discuss your project in detail, and hire the best builder for your needs. Post your job for free today and see why homeowners across the UK trust MyBuilder to find local extension builders.

FAQ: Your questions about extension builders answered

Do extension builders near me need insurance?

While it isn’t a legal requirement, most builders carry public liability insurance to cover accidental damage or injury during work. Always ask to see proof of insurance before agreeing to a project.

Do local extension builders offer guarantees on their work?

Yes, many local home extension builders in your area should provide a guarantee covering their workmanship for a set period, often lasting several months to a few years depending on the project size. Always check what the guarantee covers before work begins.

What should I ask before hiring an extension builder?

Ask about previous work, project timelines, cost estimates, and payment terms. It’s also wise to discuss materials, planning permissions, and how any unforeseen issues will be handled. You can easily view examples of previous projects of extension builders near you on MyBuilder.

How much deposit should I pay for an extension project?

Deposits usually range from 10% to 20% of the total cost. Make sure the payment schedule, scope of work, and conditions are clearly written into a contract before the extension project starts.

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