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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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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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  • MGA Projects Ltd is a trusted London-based construction company delivering high-quality building services from start to finish. We specialise in extensions, full refurbishments, loft conversions, and structural works including steel installations. With years of hands-on experience, we pride ourselves on reliability, attention to detail, and clear communication throughout every project. Whether it’s a small renovation or a full-scale build, we work closely with our clients to bring their vision to life—on time and within budget.

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  • TT Building & Landscaping Services is a reliable, experienced building company offering a complete range of construction and landscaping services. We specialise in extensions, new builds, and all aspects of building work, handling everything from groundworks and foundations to the final finish. Whether you’re extending your home, starting a new build, or upgrading your outdoor space with hard landscaping, we provide a high-quality, end-to-end service. Our team takes pride in solid workmanship, clear communication, and delivering projects on time and to a high standard. Fully insured Competitive pricing Free consultation and no obligation quotes

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  • Hi my name is James, I have been a bricklayer for 20 years, working for many domestic customers from garden walls to extensions. I have my own van, tools & insurance. I can provide references for my work. I am honest, reliable and always communicate with my customers. There is nothing worse than somebody you have put your trust in ignoring you and this is something I have experienced and will not do. If you hire me you can be assured that I will deliver quality for the price & timescale agreed, reputation is everything for me.

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  • Onwood Carpentry & Joinery Ltd specialises in high-quality carpentry and joinery for residential projects. We carry out first and second fix carpentry, as well as build extensions, loft conversions, undertake full renovations, delivering reliable workmanship and a professional service from start to finish. We have strong experience in residential build projects, structural carpentry, including roofs, studwork, RSJs, and all aspects of internal fit-out. We take pride in precision, organisation, and attention to detail on every job. Our services include: • First & second fix carpentry • Structural carpentry • Extensions & loft conversions and new builds We understand how important trust and communication are when working in someone’s home. That’s why we are punctual, tidy, and respectful, keeping sites safe and disruption to a minimum. We aim to complete all work to a high standard, on time and within budget. If you’re looking for a dependable carpentry and joinery company that takes pride in quality workmanship, Onwood Carpentry & Joinery Ltd would be happy to help.

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  • Great quality work clean quality efficiency value top quality materials every job on time on budget

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  • Radwood Developments Limited is a small, family-run building company that has been proudly operating since 2003. Covering North staffs, South Cheshire and North Shropshire. Built on years of hands-on experience and a strong reputation for reliability, the business delivers high-quality workmanship across a wide range of construction services. From complete house builds and major renovations to kitchens, doors, and general building work, Radwood Developments Limited takes pride in offering a personal, professional service tailored to each client’s needs. With a commitment to attention to detail, honest communication, and lasting results, the company continues to serve customers with the same care and dedication that has defined it from the very beginning.

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  • My name is Andy Turner. I’ve been in the Building industry for. 44 years and have a lot of experience in all aspects of the building Trade. I have built mini extensions and driveways throughout Sussex. We have the last five years become resin installers I said one of the newest product on the market.

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  • We are a bonafide building company with all aspects of carpentry, brickwork and roofing covered in house (full-time employees). Check our website. We have an excellent reputation and loyal to our company.

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  • Hi! Balwinder here from SEHJBUILDERSLTD . Super excited you’re with us! Need help or got questions? I’m just a text away.

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  • We started the company in 2018 as a small family business renovating houses, covering all aspects of building works. In 2025 we are a 5* rated company, with a team of experienced builders, that covers all aspects of work. Our Unique Selling Point is that we're a one stop shop, with no subcontractors to delay any work. We cover and manage everything to take the stress away from customers.

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  • We are a building company with 90 years combined experience in the building trade. We cover all aspects of the building industry. We can offer a complete service from Architectural drawings to completion of works including decoration . We do new build homes, home extensions, attic conversions, garage conversions ,landscape, fencing , bathrooms and kitchens

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  • We are Pro Glaze Group, a trusted Scottish home improvement company dedicated to enhancing the comfort, style, and value of homes across Scotland. We offer a comprehensive range of services, including the installation of energy-efficient windows and doors, durable roofing solutions, weather-resistant roughcasting, and protective roof and wall coatings. Our skilled team takes pride in delivering every project to the highest standards, with a personalised approach to meet your unique needs. At Pro Glaze Group, customer satisfaction is at the heart of everything we do. We provide honest advice, competitive pricing, and quality workmanship - without the pressure of pushy sales tactics. Whether you're looking to improve your home's energy efficiency, boost its security, or enhance its overall appearance, we’re here to help. Choose Pro Glaze Group as your reliable partner for all your home improvement needs in Scotland.

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  • Quality work provided. Have 15 years experience. Free quotation. We do all construction works including electric .

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  • Hello my name is David Winter. I went to Barry technical college and studied bricklaying after leaving school (1987). I have worked for many different companies, on large and small sites. In 2002 I started working on my own contracts, doing extensions and refurbishment work. I also work with local trades like window fitters, creating openings for windows and doors. Why choose me? I am honest, hardworking and willing to help clients get the building they want and in budget.

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  • Man Vs Machine is a new local company with 18 years experience in plant and groundworks/ landscaping with fast, safe and tidy work to leave a smile on your face 😁 We offer plant operators for hire that are fully qualified with NPORS / CPCS plant training and with a CSCS card for safety. All aspects of groundworks from foundation's, earth moving , drainage and utilitys All aspects of landscaping and brickwork from patios , garden walls , lawns , decking and driveways. Competitive prices, competitive rates , any genuine prices beaten , reliable services guaranteed 👍

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  • Looking to improve your home with quality craftsmanship you can trust? We’re a small, locally run business specialising in windows, doors, and a range of building services to enhance your property. From energy-efficient windows and secure, stylish doors to larger projects like garage conversions and bespoke porch builds, we bring care and attention to every job. We work closely with you from start to finish to bring your ideas to life. We pride ourselves on honest advice, competitive pricing, and reliable, high-quality workmanship—no pushy sales, just results you can depend on. Get in touch today for a friendly, no-obligation 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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