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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!

How it works

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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.

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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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  • Hi, Professional plasterer for over 10 years Professional painter for 8 years Save time and effort and let us take care of the project from start to finish

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  • Paynes Property Maintenance is a family run business and has been successfully transforming driveways, patios and pathways for 20 years. We are fully certified resin bound installers and have excellent reviews!

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  • Blue&Rock Developments Ltd is a modern, reliable construction and development company dedicated to delivering high-quality building solutions across the UK. We specialise in residential and commercial projects, offering a complete service from groundwork and structural works to full property development. Built on strong values of quality craftsmanship, transparency, and professionalism, Blue&Rock Developments brings together skilled tradespeople and experienced project management to ensure every project is completed safely, on time, and to the highest standard. Whether it’s a new build, extension, renovation, or full-scale development, our goal is simple: to provide durable, well-designed spaces that add long-term value for our clients. At Blue&Rock Developments Ltd, we take pride in clear communication, attention to detail, and a commitment to excellence in every stage of construction.

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  • We are doing all kind of building works loft conversion, single or double storey extension, new build homes. Also we don’t charge any upfront, we will charge our clients after the work done and approved from building control

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  • Marcer Builders. A family run building company that specializes in home extension. We also cover many other aspects of building works. A quality service with a quality finish at an affordable price.

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  • We are a small general building business employing 2 people full time and taking on sub-contractors when needed. I have over 20 years experience in the construction industry. We cover a wide range of building work from small extensions to barn conversions.

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  • Covering all aspects of construction. Carpentry 1st and 2nd fix, extension,bathroom refurbishments. The old cliche no job is too big or too small Excellent customer care is always must.

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  • Lowol Ltd - Professional Construction and Renovation Services About Us Lowol Ltd is a dynamic construction and renovation company that has built its reputation on the foundation of exceptional quality workmanship and absolute punctuality. Our passion for perfection in every detail ensures that we execute every project with the highest level of care and professionalism. Our Specializations Home Extensions - We create functional extensions to your home that perfectly complement the existing architecture. Each extension is designed with maximum space utilization and user comfort in mind. House Renovations - Comprehensive renovations from foundation to finishing. We modernize interiors, replace installations, renovate facades - always with attention to the highest quality materials and workmanship. Garden Design - We transform your outdoor space into a place of relaxation and recreation. We design and implement gardens, terraces, pathways, and small architectural elements. Why Choose Lowol Ltd? Guarantee of Highest Quality - We execute every project using proven materials and modern technologies. Our years of experience guarantee execution at the highest level. Punctuality and Timeliness - We understand how important it for cost

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  • GILLANI HOMES is name of TRUST. We build for generations. We have extensive experience in dealing with all kind of building work. We plan, design and build all seamlessly. Gillani Homes is fully insured company with countless satisfied customers. Our customers says that " They are best in quality, price and reliability". We update our clients on daily basis about our progress on project. We always work according to Building Regulations and never had any problem with certifications. Currently we are covering Solihull, Birmingham and surrounding areas. "Please contact us for free none obligation quotes" Contact us via phone, WhatsApp or email.

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  • My company specialise on Loft Conversions and Extensions, carpentry, plastering.

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  • Swan Carpentry is a Bristol based business that has over 18 years experience in the building trade, undertaking all aspects of carpentry work as well as small and large extensions and renovation projects. Being a cabinet maker by trade, I have an excellent attention to detail and a meticulous approach to planning projects and making sure each and every aspect is planned out and executed to the customers specification. AS WE ARE NEW TO MYBUILDER.COM - REFERENCES CAN BE SENT UPON REQUEST.

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  • Building contractor managing extensions, groundworks, structural alterations all in house around Merseyside & Cheshire

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  • I am working from 15 years. We specialist in bathroom fitting, kitchen fitting,bedroom wardrobe ,TV media wall , tiling , plumbing etc.

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  • A reliable and friendly home improvement service with over 18 years experience. Specialising in: Windows Doors Bi-Folds Fasica Boards and Guttering Garage Conversions Conservatory’s, Orangery’s, Extensions and open plan living areas. Look forward to hearing from you, your dream home awaits.

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  • Quality assured painting, from problem solving to perfection. Vastly experienced decorator with wide knowledge about trades and properties.

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  • We have been in the business for more then 10 years i have passion and pride in my workplace please feel free to contact me.

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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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