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

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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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  • Wide-ranging time served carpenter, builder and maker with experience including traditional timber-framing, 1st & 2nd fix carpentry, steelwork, foundations, drainage and more. Able to run construction projects from start to finish as a building company owner, previously. Offer design services also, if the project is appropriate. Some CNC experience - currently improving/expanding this as we speak. References available/incoming.

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  • We are a family run local business that cover all aspects of the building trade ranging from full extension projections start to finish, plastering, painting and decorating, bathrooms and many more. We pride ourself on our professionalism and delivery of our clients ideas into reality

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  • A J Breeze Building service covering North Norfolk. General building work including; Brick, Block, Norfolk flint work to the highest of Standards. Established 15 plus years City and Guilds Qualified

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  • We the BBN BUILDERS LTD one of the fast, reliable and trustworthy in East London. Our company main goal is providing good work with customer satisfaction. We been in this business since 2017. We specialise in Extensions, Loft , refurbishment, New builds , outhouse and all other building work .

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  • We are a family run company with a highly skilled workforce who have decades of experience and expertise in the construction industry.

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  • Hertfordshire based family business with over 40 years combined experience. Specialists in extensions and new builds.

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  • JT Carpentry provides dependable, high-quality carpentry services for residential, domestic and commercial projects. Our expertise includes structural framing, door and window installation, finish carpentry, custom builds, and exterior construction such as decks garden rooms/ summerhouses and pergolas. We deliver projects on time, on budget, and with workmanship that stands the test of time.

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  • We have over 20years experience in construction.

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  • We are a reliable construction and refurbishment company specialising in bathroom and washroom renovations, as well as all types of home repairs and refurbishment work. Our team delivers high-quality workmanship, attention to detail, and a professional service from start to finish. Whether you need a full washroom makeover or small repairs around your home, we are here to provide fast, trustworthy, and affordable solutions.

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  • Small building company based on the Wirral that specialises in bathroom renovations. Qualified electrician time served with an electrical, plumbing and heating company. 15 years experience on the tools with very high standards of workmanship and a great eye for the finished details. All aspects of building, renovation and home improvement work undertaken. Anything from a leaking pipe or faulty wiring to full extensions and loft conversions. Total multi-trade tradesman

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  • We undertake all general building brickwork, groundwork’s and landscaping from small repairs to new builds with 25+ years experience, we pride ourselves with the best quality work and advice. Most of our work comes from word of mouth not advertising, this means more to me as its recommendations from people who have used us and knows the standard of work we provide.

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  • Welcome to ST Builders – Quality You Can Trust With over 20 years of experience in the building trade, ST Builders is committed to delivering outstanding workmanship and reliable service on every job. From small projects to large-scale builds, we approach every task with care, professionalism, and attention to detail. We’re proud of our reputation for excellent customer satisfaction and the many positive reviews we’ve received over the years. Our clients value our honest advice, clean work, and the high-quality finish we bring to every project. Our Services Include: New Build Homes Extensions Orangeries & Sunrooms Full Property Refurbishments Garden Walls & Brickwork Basement Conversions Pointing & Repointing Garage conversions And much more We work closely with our clients to ensure their vision becomes reality — on time, within budget, and with complete peace of mind. Customer satisfaction is our top priority Check out our Facebook page at ST Builders and Checkatrade page for our 10/10 reviews. Please don’t hesitate to get in touch for a free, no-obligation quote. We look forward to working with you.

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  • we are a family run business looking to bring quality work to all our customers.

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  • Been in the building industry since leaving school so around 35 years experience ,,have I wide range of knowledge between myself and sun contractors when needed ,,, huge amount of experience in extensions , loft conversions ,,, complete re furbs ,, fitting bathrooms , kitchens etc to completion ,, have many examples that can be shared via pictures or physical visits to completed jobs is also an option and work well with potential clients .

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  • I have been in the building trade for 45 years, I have a vast knowledge of most things, by trade I am a carpenter and plasterer. I also have qualifications in soffit/facia and artexing. . I am willing to work around Kent and have ran successful building companies in the past as well as site work recently.

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  • J P McDonagh Construction Limited is a family run business with over 35 years of experience within the construction industry. Along with this we are proud members of the Federation of Master Builders and the TrustMark organisation. We have extensive experience including;  New Build Developments  Extensions  Refurbishment / Restoration Work  Timber Frame Building  Barn Conversions  Alterations

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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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