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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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  • Hi My name is Marko I’m a carpenter by trade Been in this business for more then 10 years My main focus is on Quality work And do the job up to standards And I never try to do the job the quickest way, but try and do it always the way it should be I want my clients to be happy with the job I do that’s the manin thing Anybody is welcome to call for Carpentry First and second fix Loft conversions Extensions Landscaping Roofing Thank you

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  • Hi I’m Joe Rendell and I started "JR Building Services" in August 2007 after many years working for local builders. We cover all aspects of the building trade and can take any project from design to completion, with the number one priority being customer satisfaction. We cover all Groundworks, Brickwork/Blockwork, Extensions, New Builds, Conversions, Carpentry, Plastering, Kitchens, Patios, Driveways and much more. Contact us today for your Free No Obligation Quote on the numbers below or visit our Facebook page.

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  • F D building services Bricklaying and general building work. 15 years experience, residential and commercial

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  • I have been working at the builder for more than 10 years and I have lost experience In renovating the house extensions, gardening painting, plastering tiling, waterproofing, electricity, plumbing and everything that covers the building work.

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  • ST CARPENTRY & CONSTRUCTION Experience carpenter over 20 years of experience leading from small carpentry works all the way up to new builds and extensions and renovations

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  • We specialise in Loft conversion, extensions, new builds and all building works.

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  • With over 15 years of experience in the construction industry, we provide high-quality craftsmanship and reliable service across a range of projects. As proud members of the Federation of Master Builders (FMB), we adhere to strict standards of professionalism and quality. We are fully insured with £5 million Public Liability Insurance and £5 million Professional Indemnity Insurance, giving our clients peace of mind. Whether it's small renovations or larger-scale builds, we deliver exceptional results with a commitment to safety and excellence.

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  • We’re dedicated. We’re passionate. We’re experienced. We specialise in new build construction, loft conversions, barn conversions, kitchen & bathroom installations, as well as all types of commercial building projects. We'll take care of your project right from conception through to completion.

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  • All In One Building Solutions Ltd offer building, roofing, joinery, electrical plumbing and much more. We do from maintenance through to loft conversions, extensions and refurbishments. We have all trades at hand to make your project run smoothly. Check us out on Facebook @ All In One Building Solutions LTD or Drop us a message for free no obligation quote. We look forward to hearing from you no job to big or too small.

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  • Block Paving Driveways Tarmac™ Driveways (tarmacadam) Patios Shingle Drives Concrete Driveways Driveway Repairs Driveway Cleaning Driveway Renovation Drainage and Kerbs Walls and Brickwork Brick Pillars Dividing Walls Driveway Edgings Footings Retaining walls

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  • With over 25 years of hands-on experience in the building trade, I bring a wealth of knowledge and skill to every project. I’ve worked across all aspects of the industry, from start to finish, and pride myself on delivering high-quality workmanship with attention to detail. My areas of expertise include plastering, kitchen fitting, bathroom fitting, rendering, and tiling—so whether you're renovating a single room or giving your entire home a refresh, I’ve got the skills to get the job done right. Reliable, professional, and passionate about my craft, I work closely with each client to ensure their vision is brought to life—on time and within budget.

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  • Hi, I'm a builder based in west London with 25+ years experience in groundworks, demolition and general building and landscaping. I have a small team who I work with that are all CSCS certified and very experienced and capable workers. Our aim is to offer high quality work while considering the clients needs in a safe and tidy manor.

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  • We are a Carlisle based family run business that has been established for over 45 years. We pride ourselves on our excellent workmanship and attention to detail.

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  • New build,extension,loft conversion,bathrooms,electric,plumbing,plaster,roof,Joinry all type of building work

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4.4

Top rated Extension Builders

Our Extension Builders, are rated 4.4 out of 5 based on 288 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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