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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!

How it works

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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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  • Perfect Building Contractor Ltd specialise in: - Garage conversions - Loft conversions - HMO conversions - Full interior refurbishment - Exterior rear and side conversions (single and double storey) - New domestic and commercial Builds. Contact us now for a competitive quote. All our works comes with a 5 year guarantee!

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  • Family building company started in 1986. All aspects of building work undertaken. Joinery and kitchen specialist.

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  • Italian Architect in London with more then 20 residential project in Lobdon. From planning permission to construction. If you have a roof or a back or a basement extension please contact me. Looking forward to hearing from you. Arch. Samuele

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  • Experienced local lads looking to create a good rep always worked for other people now time to work for us

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  • Blockwork, stonework, paving, new builds, extensions

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  • My Trade is a stonemason We cover all aspects of construction from start toi finnish Running full project managment to make sure that all trades are on site at the right time to do there works. We do Renovations, Extensions ,and new builds. All work carried out to health and safety requirements. we work in the steeple Aston Deddington And banbury areas . No job to small

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  • Welcome to our bathroom heating and plumbing showroom and installation service! At our company, we specialize in providing high-quality materials and professional installation solutions for all your bathroom needs. Whether you're looking to upgrade your heating system, install a new shower, or revamp your plumbing fixtures, we've got you covered. Our team of experts is dedicated to delivering top-notch products and services to ensure that your bathroom is not only functional but also stylish and comfortable. We take pride in offering a wide range of options to suit your preferences and budget, all while maintaining a high standard of quality in our work. There, you can discover the full range of products and services we offer, as well as any ongoing promotions or special deals. We look forward to assisting you in creating the bathroom of your dreams!

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  • We are your award winning local builder with over 30 years experience and in excess of 200 past clients for references. We can look after the full design and build process of your new extension alteration or conversion or we can just a specific single item of work as needed.

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  • New builds, refurbishments, extensions, loft conversions

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  • We are a new construction company, set up following a career in surveying and building control. We offer design advice and project manage with a hands on approach. We only complete one project at a time, our full focus will be on getting your extension constructed efficiently and to the highest standards. Being a new company we need positive feedback so our initial 3 projects will be at very reasonable rates to show My Builder the type of work we can deliver.

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  • Hello I’m Rob from RKW Building. I am a general builder, I’m able to do anything involved in the building trade. I have 20 years experience in the trade with good reviews and photos of previous work

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  • I am working in construction since last 10 years. I can do work all over London and outer London as well , we are offer special services to customer. According to my long work experience I can do all types of building work . Our main motives to give good highly and satisfies services .

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  • My name is Tilak and I have been working in builder merchants for 5 years now, with knowledge across the construction industry. Building mostly knowledge in several departments and helping customers with any issues regarding their personal home. Understanding the needs of the customers and advising on solutions is what I have always done. I have built rapports with many builders from different ethnicities as well as different specialties. From landscaping to extensions I have them all covered. Whatever your needs, I can provide you with the best team tailored specifically to your projects. It doesn't just stop there, we also have specialists in plumbing and electrical work as well. Covering a broad horizon of work to ensure that you our customers are not limited in the construction work they require. Our job is to make your dream homes become reality. As a benefit, since I have worked with many builder merchants and have a built my own contacts, I can provide the best prices as well as quick delivery for materials. Who doesn't like having construction work to be finished early, Right? As a company, we take pride in ensuring that we deliver the best quality work as well as service to our customers. You, as our customers are really important to us and we look to continue to build and improve on our services, not just the building aspect but more importantly the customer service you receive, we will take our time to hear how your experience is as well as any criticism that you may have. We are looking to be the best and the ones that everyone thinks of when looking to improve their homes. We hope to have you apart of the journey.

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  • Hi, I’m a fully qualified plumbing & heating engineer, I’ve a 4 year advanced plumbing heating apprenticeship with City& Guilds, I’ve worked the Building industry for 28 years, My father was a builder all his life and passed his 45years experience on to myself. I’ve ran my own businesses for 18 years and I’m still going strong and always learning new skills and always listening to other tradesmen’s tips!! My Father always taught me to alway listen to new ideas of other tradesmen and never stop learning.

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  • Hi my name is Marcelo, I have been in the building trade for over twenty years. I’m good at what I do and I take pride in my work. I always make sure I do it right and up to a professional standard.

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  • Hi, I’ve been in the groundwork industry for many years, I’ve always done a good job and haven’t left site until the client is happy. I like to be treated how I treat my clients, I have many skills to offer in this business.

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4.5

Top rated Extension Builders

Our Extension Builders, are rated 4.5 out of 5 based on 281 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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