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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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Some of our top rated extension builders

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  • My name is Matthew Keating the owner of Rotherfield Developments Ltd a family run building company with over 20 years of experience working in the construction industry. Projects that we undertake include extensions, refurbishments, loft conversions and new builds. My construction experience is vast having been involved in different types of projects such as Schools, Colleges, Office Refurbishments, Residential Schemes and One-off Private dwellings in London and more recently in the South Bucks & Chilterns area. Rotherfield Developments prides itself on delivering exceptional value for money and we are extremely passionate about offering a service that delivers a high quality build, on time and on budget .

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  • Construction all aspects, Refurbishments to new buildings, No job is to big or small.

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  • Qualified Plumber and Heating engineer with years of experience with 1st/2nd fix plumbing, reactive maintenance, bathroom installations , boiler installations / full heating systems, breakdowns and repairs, boiler servicing , Gas safety checks. Also with multi trade experience

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  • Hi, im pleased to introduce my self on my builder, my jobs which i can undertake are all kind of Landscaping Patios, paths, Maintenance, Fencing, Driveways, Decking, Fake Grass. Also I have a lot of experience on Drylining jobs like Mf celing Drywall dok&dap and all building work, we are really friendly hard worker and understooden team i would be happy to hear from you Thank you

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  • Flint work, stone work, detailed brick work, ground works, extensions

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  • Hi, I’m Scott. I run an experienced building team with over 20 years in the construction industry. We specialise in new builds, extensions, bricklaying, patios, plastering and groundworks, taking on both small jobs and larger projects. We pride ourselves on delivering high-quality workmanship, reliability and a professional service from start to finish. We are a hardworking and friendly team who always aim to keep jobs clean, tidy and completed to a high standard. Customer satisfaction is very important to us and we always aim to communicate clearly throughout the project. Free quotes available and happy to discuss your project.

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  • I undertake all aspects of joinery but I specialise in 2nd and 3rd fix. Kitchens , bedrooms , bespoke hand made fitted furniture, door hanging , all joinery aspects.

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  • Whether you are expanding your existing living space or building a new home from the ground up, our architectural design and planning services ensures your project begins successfully. By securing all necessary documentation from the outset including planning permissions and construction drawings we facilitate a smooth project progression. Our comprehensive support enables you to embark on your construction journey with confidence. Through close collaboration with your architects and structural engineers we guide you through all design and planning aspects. This includes liaising with your local council adapting early designs for optimal results and maintaining compliance with strict regulations. Our expert guidance simplifies the complexities of design and planning

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  • 1) Professionally and communication clear communication keep the client inform about progress any issues and changes to quotation contract provide clear itemise potation and details contract outlines cost and timelines 2) quality of work high standard Insure that all work will be done on time. 3) Timeline and reliability adhere to timelines complete the project in agreed timeframe provide update if delays are unavoidable 4) Clean safe worksite clean keep work worksite tied and organise ensure safety and reduce disruption to the homeowner. safety practices : Adhere to safety regulation to protect both worker and client.

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  • Clarke Construction Co. is a dedicated construction company serving Cornwall and Devon, known for its wide-ranging skills and genuine passion for building. We deliver quality craftsmanship across every project, driven by a commitment to excellence and customer satisfaction.

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  • MSR Joinery & Building Solutions is a trusted North East England–based company specialising in high-quality joinery and building services. With a strong reputation for reliability, craftsmanship, and attention to detail, we deliver tailored solutions to suit every home and project. We offer a wide range of services including garage conversions, bespoke kitchen installations, media walls, wall panelling, bathrooms, and general joinery work. Whether you’re looking to modernise your living space or maximise the potential of your home, we bring your vision to life with precision and care. At MSR Joinery & Building Solutions, we pride ourselves on clear communication, honest pricing, and a professional finish on every job. From initial consultation through to completion, our focus is on delivering high standards and customer satisfaction every step of the way. No job is too big or small — we approach every project with the same dedication, ensuring results that are built to last.

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  • *Please read the footer at the end of our bio* J Unwin Projects & Construction is a multi-disciplinary construction and project delivery company operating across residential, commercial, and mixed-use sectors throughout London, Sussex and Kent. We specialise in delivering high-quality projects from concept through to completion, combining hands-on construction expertise with structured project management and long-term asset support. Our work spans private residential developments, large-scale refurbishments, commercial fit-outs, and complex multi-unit schemes. Our capability extends far beyond traditional building. We provide a fully integrated service that supports clients at every stage of the lifecycle — from initial planning and design coordination, through construction delivery, to ongoing maintenance and facilities management. This ensures continuity, accountability, and consistently high standards across every project we undertake. We are trusted by private clients, developers, and commercial operators to deliver projects where detail, reliability, and execution matter. Whether it’s a bespoke residential build or a large commercial environment, our approach remains the same — professional, efficient, and uncompromising on quality. At our core, we pride ourselves on being solutions-driven. We understand that every project carries unique challenges, and our team is structured to respond with clarity, adaptability, and precision. J Unwin Projects & Construction continues to grow through reputation, long-term relationships, and the consistent delivery of projects that meet — and exceed — expectations. *For larger or direct requests please contact us through our website*

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  • Refurbishments, Extensions, loft conversions all building works

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  • Father and son business,with over 50 years experience combined in tiled roofs , slates , lead work flat roofs , , all minor repairs welcome,also gutter servicing fantastic prices but most importantly good quality finishes, which are hard to come by these days pls call, (public liability insurance £1,000,000)free quotes!!!!

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  • Hi, we are professional building team which specialises in loft, extensions, painting & decorating. Our team operates in London and has over 10 years of experience which allows us to guarantee the best quality of our works. Contact us to get more details and get professional quote!

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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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