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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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Tradespeople respond

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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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  • A family owned construction company with over 40 years of experience. We provide our customers with the fastest and smoothest of services in order to get the job done quickly and efficiently. Good supplier relationships is a key factor to our success as it allows us to maintain our competitive edge.

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  • Small conscientious carpentry and general building company. Based in south Cornwall. No job too big or small. All aspects of construction work undertaken.

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  • SWR Building covers everything the customer needs from small maintenance jobs to complete renovations, extensions and loft conversions. I have been in the building industry since I left school in 1986 when I done a four year plumbing apprenticeship, since then I worked for a kitchen and bathroom specialist, then worked for a building company specialising in extensions and loft conversions before starting my own buisness in 1998.

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  • Hi my name is James Hadley and i have been in the building trade since i left school in 1995. I have worked on many big projects such as new builds , extensions and barn conversions i am a good all round builder when needed i can put together a highly skilled team for bigger jobs.

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  • We undertake various extension work from the design, through planning approval phase to completion. We ensure our client get best quality service at reasonable price. Our projects speak for itself from cost planning to delivery. Our strength lies in the breadth and depth of our experienced team.

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  • Hi, I have been in the building trade for over 10 years and have purposely made myself very versatile. I am a qualified Bricklayer and also a qualified Carpenter both NVQ's. I am very reliable, approachable and will offer very honest advise and ideas throughout a job if the customer requires it.

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  • We are a team of specialists consisting of architectural consultant, interior designer, project manager, joiner, wall finishing specialist and stone layer. Our strenghts lay in creativity, space planning, experience and attention to detail.

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  • As a small business established in 2003, I believe that it is essential to provide excellent customer service and quality workmanship at all times. I specialise in variety of projects ranging from ground works through to alterations and property extensions, both commercial and residential.

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  • SpaceMasters is a small family firm whose employees have over 30 years experience working in the building trade. We specialise in garage conversions, loft conversions, conservatories and extensions. We maximise your homes potential creating extra room and space, saving the hassle and stress of moving house, whilst adding value to the property at the same time. References and photographs of our work are available on request

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  • My name is Daniel Walker, I've been in the building trade for 20 years, running my own business for 13 years. I take immense pride in my work, ensuring all projects are completed to the highest standards and my customers are happy. My business is built, and dependant, on my professional reputation

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  • A Fleet based family business with over 60 years’ experience in all areas of the construction industry, including Estimating, Design Management, Project Management and Contracting. We pride ourselves in providing an honest, professional and friendly service, to suit all our Client's requirements.

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  • Hi my name is David I run this business in which I work a long side other, we are a very hard working team that bring out the best quailly in whatever we do to improve home and to fulfil our customers needed in there home improvement I take great proide in my job and commitments in everthing I do

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  • I am a fully qualified carpenter with NVQ level 3 city and guilds qualification. I have been self-employed for 4 years working on a variety of carpentry jobs. I Specialise in flooring- solid wood floors, engineered floors, laminate and karndean. I offer a friendly, professional service.

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  • Hi my name is James. We specialise in all aspects of building work. We have been established since 1995 and we complete all of our projects to a high standard. We offer free quotations. No job is too small.

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  • Thompson Building Associates specialize in refurbishments, conversions, alterations and new buildings works. We offer a no hassle project management system from your plans and designs from foundations to completion.

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  • We're a small family business based in Tamworth with over forty years experience within the construction industry who carry out high quality projects. We personally carry out and oversee all of the works,(except electrics) are very versatile and knowledgeable of all aspects of the building process.

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4.4

Top rated Extension Builders

Our Extension Builders, are rated 4.4 out of 5 based on 296 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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