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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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Post your job for free

Tell us about your job, and we’ll alert suitable tradespeople in your area. It’s simple and free.

Tradespeople respond

Tradespeople respond

Once your job is posted, you’ll get responses from interested tradespeople through the website.

Review profiles and choose

Review profiles and choose

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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  • With 15 years of hands-on experience in the construction industry, I have developed a wide range of skills in landscaping, roofing, bathroom renovations, decking, fencing, patios and general building work. Having spent 15 years working as an employee for the same construction company, I have now taken the step into self-employment. I continue to work with the same company as a self-employed contractor while building my own independent business. Although I am new to this platform and have not yet received any reviews, I bring 15 years of practical experience, knowledge and dedication to every project. I take pride in delivering quality workmanship, paying attention to detail, keeping work areas clean and tidy, and maintaining honest communication with customers. My aim is to build a reputation based on trust, reliability and customer satisfaction. Whether you have a small job or a larger project, please feel free to get in touch to discuss your requirements and request a free, no-obligation quote.

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  • Time served bricklayer and experienced builder. Here at seaside brickwork our team works with care and effeciency weather you need an extension or a garden wall or anything in between you can count on us to deliver.

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  • We’re a general building company that specialises in bathroom and kitchens. Our work is always focused on providing customer satisfaction and our clients always return for additional works

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  • New Life Building Services have been carrying out residential building projects in and around St Albans for over 35 years. We specialise in extensions and renovations working in a well organised and professional manner. St Albans. We specialise in home renovations and extensions.

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  • Welcome to Arthur Stanley Developments Ltd, a family-run building company with over 20 years of experience in the construction industry. We specialise in home renovations, extensions, property refurbishments, kitchen and bathroom installations, bespoke joinery and restoration of period properties. Based in the Peterborough and Stamford area, we take great pride in delivering high-quality workmanship, attention to detail and a friendly, reliable service. From smaller home improvements to complete property transformations, we approach every project with the same care and commitment. Our experience includes the full restoration of a beautiful 300-year-old cottage in Easton on the Hill, showcasing our passion for traditional craftsmanship alongside modern living. We believe in honest communication, realistic expectations and treating every customer’s home with respect. No project is too big or too small. We’re always happy to discuss your ideas, offer advice and provide a free, no-obligation quotation. We look forward to helping bring your project to life!

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  • Welcome to Construct & Innovate, a Sussex building company dedicated to turning ambitious ideas into beautifully finished homes. We specialise in high-quality renovations, extensions and bespoke building projects, where precision, craftsmanship and clear communication matter as much as the final result. Every project begins with listening. We take the time to understand how you live, what you want to achieve and the standards you expect, then we plan every detail carefully so there are no surprises along the way. From initial design discussions through to the final finishing touches, you will have a dedicated point of contact, honest pricing and regular updates at every stage. Our skilled team combines traditional building expertise with modern methods and innovative thinking, creating spaces that are practical, energy efficient and built to last. We respect your home, keep our sites tidy and work to agreed timescales. We are so confident in the quality of our work that every project is backed by a 2 year guarantee, giving you complete peace of mind. If you are planning a renovation or building project and want a team that genuinely cares about getting it right, get in touch today for a friendly, no-obligation conversation.

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  • GB Works Ltd is a family-run construction company operating across London and the South East. Established in 2008, we deliver reliable, quality-led construction, refurbishment and maintenance services for both residential and commercial clients. We pride ourselves on a professional, hands-on approach, offering tailored solutions to suit each project’s requirements. Our team is committed to delivering high standards of workmanship, clear communication, and safe project delivery from start to finish. A portfolio of completed projects and references can be provided upon request. We welcome enquiries from both new and existing clients and look forward to building long-term working relationships.

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  • Multi trader ..on general building loft and extansions ..capentry 1st and 2nd fix .painting.. wood work and wood flor .. kitchens ..garden fances slabs and under ground pipe work. Maintenences

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  • Since 2018 our family at PCP Group has steadily grown with our success. We’re well on our way to realizing our vision of becoming a leading building services company across the south east of England. As a well established family run business we maintain the highest standards, by subjecting our core team and specialist contractors to thorough vetting and continuous evaluation. On every project our goal is to uphold consistent quality and craftsmanship without compromise. We recognise that working with diverse clients and sectors demands a tailored understanding, thoughtful interpretation and flexibility ensuring our services not only meet but exceed your needs and expectations. We are incredibly proud of the work we do with our community and charity projects we’ve completed, it’s something that truly brings us joy. As a homeowner we understand that navigating this process can bring uncertainty and plenty of questions- - What’s involved ? - How do you steer clear of unreliable contractors ? - Compliance and regulations ? - Who to trust ? - Timing and Budgeting ? That’s where we come in ! Experts at every stage of the process. From Design, Surveys, Analysis and Construction, we’ve got you covered.

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  • Have been a bricklayer and builder for 42 years building houses extensions patios fencing and landscaping. Can do a large spectrum of building projects including drainage and pathways and converting garages. Regard’s Dave.

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  • Hi , my name is Tony, I have been a builder since age of 12 working with time serv dad a true mason , I have been in business for 35 years , we do everything from foundation to roof , specialising in extensions, roofs and loft conversions, but much more , first class kitchen fitters and joiners Thanks Tony

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  • Hi, iv been a bricklayer and groundworker for 30 years and have a building company to cover all trades from start to finish please contact happy to provide references

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  • Basements, Groundworks, Structural Construction, House Extensions Providing comprehensive construction services, specialising in basements, extensions, reinforced concrete structures, groundworks and structural works, alongside general building and finishing.

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  • We are a London-based construction company delivering high-quality building solutions across the capital and beyond. Specialising in residential and commercial projects, we provide reliable, end-to-end services—from planning and groundwork to final completion. Our focus is simple: quality workmanship, clear communication, and projects delivered on time and within budget. While we are proudly based in London, we also undertake projects across the UK, bringing the same level of professionalism and attention to detail wherever we work. Whether you’re planning a new build, renovation, or extension, we work closely with you to turn your vision into reality.

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  • We are a small family run business based in Monmouthshire covering the south west of the UK, specialising in traditional builds. • Stone Masonry • Repointing • Lime works We also have the experience and knowledge to take on jobs big and small from barn conversion's to stone walls. We pride ourselves on the attention to detail in our workmanship.

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  • My names daniel jenkins, iv been a bricklayer for 12 years with experience and knowledge of all aspects of building. With a friendly service and great customer care and after service.

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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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Easily find verified local tradespeople. Just post your job to get quotes from tradespeople near you across the UK.

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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