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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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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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  • Basements, Groundworks, Structural Construction, House Extensions Providing comprehensive construction services, specialising in basements, extensions, reinforced concrete structures, groundworks and structural works, alongside general building and finishing.

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  • We are a London-based construction company delivering high-quality building solutions across the capital and beyond. Specialising in residential and commercial projects, we provide reliable, end-to-end services—from planning and groundwork to final completion. Our focus is simple: quality workmanship, clear communication, and projects delivered on time and within budget. While we are proudly based in London, we also undertake projects across the UK, bringing the same level of professionalism and attention to detail wherever we work. Whether you’re planning a new build, renovation, or extension, we work closely with you to turn your vision into reality.

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  • We are a small family run business based in Monmouthshire covering the south west of the UK, specialising in traditional builds. • Stone Masonry • Repointing • Lime works We also have the experience and knowledge to take on jobs big and small from barn conversion's to stone walls. We pride ourselves on the attention to detail in our workmanship.

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  • My names daniel jenkins, iv been a bricklayer for 12 years with experience and knowledge of all aspects of building. With a friendly service and great customer care and after service.

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  • I am professional civil engineer with 10 years of experience in heavy civil engineering projects. Beside my daily job I work on own property projects abroad, which involve house developing. I enjoy building stuff, even if it is just furnitures, so I can help with any of your small projects at home.

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  • BM Construction (SW) LTD is a full‑service building contractor specialising in structural alterations, extensions, conversions, and high‑quality refurbishments. We manage every stage of the build, from initial planning and regulations through to final finishes, ensuring projects are delivered safely, efficiently, and to the highest standard. Our team combines skilled trades, clear communication, and reliable project management to provide homeowners and developers with a smooth, stress‑free building experience.

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  • Hastings construction covering extensions renovations garden walls patios fencing anything brickwork/blockwork

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  • I am Romanian. I live in Harrow. I have been in London for 16 years, and I have been working in construction ever since.

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  • Welcome to APEX BUILD & MAINTENANCE. With over 20 years of hands-on experience in general building, structural alterations, and carpentry, I provide top-tier craftsmanship tailored to your home’s needs. Whether it is a small repair or a full property refurbishment, I deliver work built to last. Our Core Services & Expertise: - Carpentry & Custom Woodwork: Precision joinery, timber framing, and custom repairs. - Doors & Windows: Professional fitting, alignment, and replacement of internal & external doors and windows. - Flooring: High-quality installation of laminate, engineered wood, and hardwood flooring. - General Building & Maintenance: Plasterboarding, structural repairs, roofing, and general maintenance. Coverage Area: Based in St Albans and covering surrounding areas, travelling to complete both residential and commercial projects. Why Hire Me? - 20+ Years Expertise: High standards of technical skill and attention to detail. - Reliability & Honesty: Fair pricing, accurate timelines, and transparent communication. - Clean & Respectful: Working with complete respect for your home and leaving the site spotless. Contact me today for a free quote and reliable advice!

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  • Enjoy a sparkling clean home or workplace with our reliable cleaning services! 🧽 House & Apartment Cleaning ✨ Deep Cleaning 🚿 Bathroom & Kitchen Cleaning 🧺 End-of-Tenancy Cleaning ✅ Reliable & Friendly Service ✅ Attention to Every Detail ✅ Affordable Prices ✅ A Fresh, Clean Space Every Time!

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  • We are an experienced and reliable team of 5 skilled bricklayers, bringing over 14 years of hands-on expertise to every project. We specialise in all aspects of residential and commercial brickwork, delivering structural integrity alongside an exceptional aesthetic finish. Our comprehensive services include: • Brick & Block Work: Expertise in both internal block work and high-finish external facing brickwork. • Extensions & Conversions: Efficient and structurally sound building for home expansions. • Garden & Retaining Walls: Beautifully crafted boundary walls tailored to your garden layout. • Repairs & Restoration: Specialist replacing of blown/damaged bricks and professional repointing. We pride ourselves on clear communication, punctuality, and keeping a clean, safe site from start to finish. No project is too big or too small for our team. Contact us today for a free, reliable consultation and a competitive quote.

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  • We are a Harrogate-based building company specialising in home extensions, renovations, loft conversions and kitchen installations. We work with homeowners and architects to deliver high-quality projects, from initial planning through to completion. Our experience includes large-scale refurbishments, structural work and bespoke builds, with a focus on careful planning, clear communication and attention to detail at every stage. We understand the importance of working within existing homes and aim to make the process as smooth and organised as possible for our clients. We take pride in delivering work to a high standard and building long-term relationships through reliability and professionalism. We are also proud members of FMB (Federation of Master Builders).

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  • We are well renown building team who have completed multiple projects in the north west ranging from full new build properties of circa 6000 sq ft to renovations , refurbishment and extensions of residential projects and some smaller commercial properties. With a highly skilled team covering all areas of the trades we can respond quickly to any tasks or job requirements. Familiar and well versed with planning policies and legislation we can ensure all the relevant processes and approvals are met. The managing director has a 17 year career in professional sport behind him prior to returning to his original skill, joinery, and the construction industry upon his retirement in 2017. Being from a professional back ground in the public eye only emphasises the ethos of trust and reputation that Oakwood Homes projects relies upon. No job is too big or too small for our dedicated team, we recognise that customer satisfaction is key to our success and word of mouth recommendations , positive reviews and great ratings are key to our long term success.

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  • My name is Intsar Ahmed and I've been doing this in Liverpool for the past five years. Our Mission. Dedication to providing quality construction, technical and management services to our customers. We will strive to implement a long term relationship with our clients, based on safety, quality, timely service and an anticipation of their needs. To help fulfill this mission, we will treat all employees fairly and involve them in the quality improvement process to insure responsiveness and cost effective work execution. Thanks Intsar Ahmad

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  • I have been in this field for many years now and looking to branch out and do my own thing. I Have experience in a number of building environments from Site work, railways and domestic properties. I aim to achieve a quick clean and a satisfactory result every job. I have a vast range of skills due to being on the tools from the age of 16. Enabling me to accumulate the correct tools and machinery to ensure an outcome you will be happy with.

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  • Hardworking and reliable. Knowledgable and patient, ready to answer your questions and build to the standards you would expect! The customer service you wish to have with ideas to further improve your space! Your property and you will be treated with respect from start to finish. Not only quality work but also clean and tidy during the job. Flexible to work around your schedule and try to meet your expectations!

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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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