Describe your job with details to view a tailored list of tradespeople.
Post your job

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!

How it works

Post your job for free

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

24505 Results

Sort by:

  • 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.

    Get in touch
  • With over 20 years of hands-on experience in the building trade, I bring a wealth of knowledge, skill, and dedication to every project I take on. Throughout my career, I have successfully completed a wide range of building works – from home extensions and full house renovations to smaller specialised tasks. My expertise includes bricklaying, plastering, driveway construction, and much more. I take pride in delivering high-quality workmanship, maintaining clear communication with clients, and ensuring each job is completed on time and to the highest standards. Whether you’re planning a major build or need a reliable tradesperson for general building work, I’m here to help bring your vision to life.

    Get in touch
  • 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.

    Get in touch
  • At DA Clark Groundworks Ltd, we deliver high-quality groundwork and civil engineering services across Sussex, Kent, and Surrey. With a strong reputation for reliability, precision, and professionalism, we specialise in foundations, drainage, site preparation, and hard landscaping for both residential and commercial projects. Our experienced team works closely with homeowners, builders, and developers to ensure every project is completed safely, on time, and to the highest standard. Whether you’re starting a new build, extending a property, or preparing land for construction, DA Clark Groundworks is your trusted partner from the ground up.

    Get in touch
  • At AT Construct, we’re a professional and reliable construction company based in Kent, delivering high-quality extensions, structural works, and full property renovations throughout the South East. We’re CHAS-accredited and bring decades of hands-on experience to every project—whether it’s a rear extension, loft conversion, or complete house refurbishment. What sets us apart is the strength of our infrastructure. We operate with a fully employed in-house team covering all major trades, including brickwork, carpentry, plastering, and decorating. We also have our own in-house plumbing and heating division (AT Mechanical), meaning we can handle all gas, heating, and water systems without relying on third parties—keeping your project running smoothly, safely, and on schedule. In addition, we run our own grab lorry service (AT Grab), which gives us full control over site waste and spoil removal—helping reduce downtime, costs, and unnecessary delays. Every job is delivered with clear communication, full health & safety documentation (RAMS), and a commitment to high standards of workmanship. Whether you’re planning a small extension or a full home transformation, we offer free site visits and honest, competitive quotations.

    Get in touch
  • I’m a sole trader with masonry and groundwork’s skills, I pride myself on high quality work, if I’m going to do a job it’s going to be done right the first time. I’m Redruth and Camborne based but I can travel further if needed

    Get in touch
  • J M Harji Construction Ltd is a reliable and experienced building company specialising in high-quality residential and commercial construction. We handle everything from extensions, refurbishments, and renovations to new builds and structural work. Our skilled team takes pride in delivering excellent workmanship, clear communication, and projects completed on time and within budget. Whether you’re improving your home or starting a new project, you can count on us for professional service and outstanding results.

    Get in touch
  • Cm Electrical services providing all aspects of electrical work Free quotations

    Get in touch
  • Arka Construction have the capabilities to complete all commercial and residential projects, varying from small projects such as a driveways to a full fit-out or new build residential development. We are customer focused and can work flexibly to the clients requirements.

    Get in touch
  • M Gagandeep work as the main work of plumber

    Get in touch
  • LP BRICKLAYING - Experienced Bricklaying Services With over 15 years of hands-on experience in the bricklaying industry,LP BRICKLAYING delivers high-quality, reliable craftsmanship for all your masonry needs. Whether you’re looking to build a new structure, renovate an existing one, or need custom brickwork, we provide expert solutions tailored to your specific requirements. Our services include: New Builds: From homes to commercial buildings, we lay the foundation for strong, durable structures. Renovations & Extensions: We handle everything from restoring classic brickwork to adding beautiful extensions to your property. Wall & Chimney Repairs: We specialize in repairing damaged brickwork, ensuring both aesthetic appeal and structural integrity. Paving & Patios: Transform your outdoor spaces with expertly laid paving and patio areas that stand the test of time. Why Choose LP BRICKLAYING Experienced Craftsmanship: With 15+ years of experience, we’ve built a reputation for precision, attention to detail, and quality that lasts. Personalized Service: We take the time to understand your vision and deliver results that align with your goals. Professionalism: From the first consultation to the final touch,

    Get in touch
  • Hi, I’m Phil, my partner is Gatis a Bricklayer You Can Trust to Build Strong Foundations! With 10 years of hands-on experience in bricklaying, I specialize in bringing both strength and style to every project—whether it’s building durable walls, stunning feature brickwork, or custom designs tailored to your vision. I take pride in delivering precise craftsmanship, clean workspaces, and finishes that stand the test of time. No job is too big or too small, and I always prioritize customer satisfaction with open communication and top-quality results. If you’re looking for reliability, expertise, and impressive brickwork that stands out, I’m ready to help you build your next project from the ground up. Let’s lay the foundation for something great—together.

    Get in touch
  • This is NextGen Constructions Group Limited, we provide effective and efficient work to our clients, we have 13 years of building work experience, we also provide many services like extensions, new build, garage, loft conversion, etc.

    Get in touch
  • Over 15 years experience in all different variations of construction, exclusive new builds to refurbs on 1 bedroom flats. No job to big or small

    Get in touch
  • At RB Building & Plumbing Services we have the experience and expertise to deliver your project to the highest level. Our services include bespoke extensions, renovations, roofing, bathrooms, kitchens, plastering, patios & everything in between. With a commitment to an exceptional finish, communication & reliability you can trust RB to get the job done.

    Get in touch

4.5

Top rated Extension Builders

Our Extension Builders, are rated 4.5 out of 5 based on 279 reviews from customers like you.

Quality screening

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.

Trades

Cities