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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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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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  • LS London Contractors - Experienced and friendly team, located in South West London, specialising in extensions, loft conversions and all refurbishment works to a high standard finish for customers.

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  • R.S Gibson Limited offer Groundworks and Civil Engineering services throughout Northamptonshire with a focus on precision in every project we undertake. ​We understand that we are not just building your projects as it is more personal than that. We are bringing your visions to life, building spaces for you to enjoy for years to come. Get in touch today for your quotation.

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  • Hi My company name is change New name is Saahil builders limited

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  • SA Services civil & Groundworks are a family run business specialising in all aspects of domestic and commercial groundworks and landscaping. Based in Lincolnshire. No matter how big or small the job may be, you can rest assured you'll receive nothing but the highest quality workmanship.

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  • Here at Alfino Construction we pride ourselves on the high standards we have when carrying out any type of work. We cover a wide range of areas including new builds, extensions, groundworks, outbuildings, property renovation and more. With our friendly team to work with you aswell as for you on your projects. Together we can help you get the results you are looking for. As a professional company we are of course fully insured on all aspects of our work.

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  • I am doing building work from last 15 years. I am doing all the work professionally. We will provide you best quality of work.

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  • We offer a wide range of plastering and rendering. 10 years experience

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  • Loudon Joinery & Building LTD New to my builder 2025! We are a family run business with over 35 years experience in the building trade. We specialise in extensions and loft conversions but are not limited to this. All of our work is carried out to the highest standard, is fully insured and carries a 5 year standard warranty. We can offer a full design and build package: - Architect drawings - Building control - Project management - All trades in-between - Full turn key process These are just some of the of areas we cover, We look forward to creating your dream spaces!!

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  • My name is Joe I have been a builder for 24 years. I like to be clean and prompt. I enjoy my job, meeting new people and helping them with their homes or projects.

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  • Welcome to DL Brickwork! At DL Brickwork, we pride ourselves on delivering top-quality craftsmanship, attention to detail, and dependable service. Whether you’re building your dream home, renovating your space, or need expert masonry repairs, our skilled team is here to help. With years of experience and a commitment to excellence, DL Brickwork is your trusted partner for all your bricklaying and masonry needs

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  • Hi I'm mark at The Oak Installers. We're local Hastings experts for exquisite oak framed buildings, complemented by a full range of carpentry services and bespoke garden buildings. Whether you're dreaming of a characterful oak framed home, require skilled carpentry for your renovation, or desire a unique garden building, our experienced team delivers quality and attention to detail. Get in touch to explore the possibilities for your project. Thank you Mark

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  • Aedifix is a professional landscaping and construction company specialising in creating high-quality outdoor spaces. We offer a range of services, including hardscaping, softscaping, and construction projects tailored to residential and commercial properties. Our team is committed to delivering durable, aesthetically pleasing solutions that enhance outdoor environments, combining expert craftsmanship with innovative design. Whether it’s a full garden transformation, structural enhancements, or routine maintenance, Aedifix ensures exceptional results with attention to detail and customer satisfaction at the core of our work.

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  • Interstar Building Contractors was formed in 2005 with over 20 years of experience in supplying to quality services to the UK Construction industry. Our Staff have extensive knowledge of working within the Capital, and pride themselves on producing a top quality finishing within agreed time frames. We work extensively throughout London and South. For almost 10 years we have offered a wide range of construction services in London. We strive to maintain the highest standards while exceeding client’s expectations at all levels. We not only honor commitments, but we are known for meeting though deadlines while delivering nothing but the best. We aim to create a responsive client relationship that allows us to meet and even exceed the goals of each of our projects.

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  • I’m a builder with over 20 years experience I have a level 3 NVQ in brickwork and a gold Cscs card.

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  • EH Design and Build LTD: Your vision, Our expertise, One seamless process. At EH Design and Build LTD, we understand that building or renovating your dream space can be a complex and overwhelming undertaking. That’s why we’ve streamlined the entire process by offering and complete turnkey service, bringing all the essential elements under one roof. We’re not just builders, and we’re not just a design team- we’re a unique combination of both, working in perfect synergy to bring your vision to life. Our dynamic duo at the helm comprises Morgan our seasoned construction expert, and Elliot, our visionary design and management lead. With Morgan’s understanding of the building process and Elliot’s creative flair and project oversight, we ensure a seamless journey from concept to completion. What sets us apart is our ability to handle every aspect of your project in-house. From initial design concepts and planning permissions to the actual construction and finishing touches, we’ve got you covered. Whether you’re dreaming of a contemporary home extension, a stylish kitchen renovation or a complete new build, EH Design and Build Ltd is your one stop solution. Let us take the stress out of your project and turn your dream into reality.

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  • With over 35 years in the Construction Industry I have a great understanding of varied complex construction methods and pride myself in end quality. From fitting doors/windows to building nightclubs no job is too small or too big

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4.5

Top rated Extension Builders

Our Extension Builders, are rated 4.5 out of 5 based on 277 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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