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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.

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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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  • Hi I’m Padraig, Iv been in construction for over 15 years working my way from tools to management level. My background ranges from heavy civil’s/ commercial to residential. All sub contracted work is carried out by professionals who have been vetted by me and have the proper credentials. Iv recently begun to take on my own projects and using my builder as a new platform.

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  • All brickwork, groundwork. Walls extensions slabbing footings paths walls and patios.

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  • We’re a family business with over 65 years of experience in construction. Our in-depth knowledge and skills have been passed down through three generations, being refined and perfected over the years to bring the best service to your project. We use traditional techniques and modern technology to combine the best of both worlds, making the way we work unique to our company.

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  • DARS We are a friendly professional and local company dealing with the smallest project such as building maintenance to major renovations.We pride ourselves on our quality of workmanship, tidyness and exceptional customer relations to ensure every job exceeds expectations.We cover all areas in with in London and beyond.We work closely with the best suppliers which brings you, the customer, not only the best quality but great prices too and we provide a variety of options for every job.

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  • Visu Verum Design and Build was founded in 2010 to provide a range of services within the design and build sector for home owners and property professionals. Our projects range from small refurbishments and extensions, to large new build properties throughout London, Elmbridge and surrounding areas. We work in a totally transparent way to guarantee each project is delivered to the highest possible standard for the right budget.

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  • Recently started up own business having successfully run other peoples businesses for sometime. I undertake all aspects of building, no job to big or too small. I have over 16 years of experience. Anything from hanging a picture frame to large extensions and refurbishments.

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  • Hi. i ve been working in construction industry for about 20 years. I have been doing most of the time , DRIVEAWAYS, landscaping, BATHROOM FITTING Domestic Plumbing Tiling , House Extension, home refurbishment, FOOTINGS Patios etc etc , our priority is, that, the costumers to be happy with our work ,and the job to be done right on the first time , with reasonable prices , we are happy also to give advices and free estimates.

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  • we are roofing and building specialist started in 2007, and it became a limited company in 2011. our company also do all type of building projects big or small. like loft conversion, house extension, house renovation and any type of building work. we also specialize in roofing work, pitch roof, slate roof, plain tile roof, all types of flat roof.

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  • Construction company Level 3 NVQ Bricklayer Undertaking many aspects of construction. Working with other local trades to deliver the highest quality construction in the area. New to my builder to see what it’s all about.

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  • We are a family run business who have been in the construction industry for over 40 years. We specialise in all forms Groundwork’s and operate in the Wiltshire and surrounding areas. Our aim is to exceed expectations!

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  • With over 15 years of construction experience. Along with a level 3 City and Guild apprenticeship in Site Carpentry and Bench Joinery. We love to use our skills and test our abilities in creating high quality work and customer satisfaction. We are just as happy erecting a timber frame extension as building small bespoke storage solutions.

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  • 25 years house building experience fully qualified site manager all house building disciplines undertaken from house building , groundwork’s to extensions and repairs

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  • Hampton House Concept is a company with a wealth of experience in completing house refurbishment projects to the very highest standards across London. With our experience and expertise we will help you to create a unique living environment suited to your individual needs and requirements.

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  • Reliable, friendly, general builder. Qualified bricklayer specialising in all general building works and landscaping.

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  • Hello, we are experienced construction company based in West London with a team of multi skilled workers. We start as self employed business in 2007 and then expand to limited company. Specialised in high quality finish work over years we completed several "back to brick" refurbishments inc basement and loft conversions. We also specialised in kitchen and bathroom refurbishments and working with some major London’s maintenance company helping them looking after clients properties. Thank you

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  • We are a family run building company, we offer small extension to renovations to new builds and patios and all aspects of building requirements

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4.5

Top rated Extension Builders

Our Extension Builders, are rated 4.5 out of 5 based on 283 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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