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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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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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  • We are a reliable and experienced building and landscaping company, delivering high-quality workmanship across both domestic and commercial projects. From concept to completion, we take pride in providing a professional, efficient, and customer-focused service. Our services include: New Builds – Complete construction from the ground up Extensions – Expanding your home to suit your needs Conversions – Loft, garage, and full property transformations Garden Rooms – Bespoke outdoor living and workspace solutions Landscaping – Full garden design and construction Patios & Decking – Durable, stylish outdoor spaces Plumbing & Electrical – All aspects covered by qualified trades Whether you're planning a small improvement or a large-scale project, we deliver quality, reliability, and attention to detail every step of the way. Customer gets what the customer wants 🫡

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  • Axel & Miguel Construction Ltd – Professional construction and landscaping services. Patios, driveways, fencing, groundwork, garden renovations, and more. Quality workmanship, competitive prices, and a commitment to customer satisfaction. No job too small.

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  • We are quality Self company

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  • KTB Construction Ltd is a fully insured building contractor based in Mellor Brook, Blackburn, serving Lancashire and the wider North West. With over 17 years’ experience, we undertake projects of all sizes for homeowners, landlords and commercial clients. Our services include extensions, renovations and refurbishments, structural alterations and steelwork, brickwork, roofing, groundworks, drainage, demolition, landscaping, patios, driveways, barn conversions and general property maintenance. We also provide 24-hour reactive building call-outs. We pride ourselves on quality workmanship, proper preparation and clear communication from the initial site visit through to completion. Customers receive detailed written quotations, regular progress updates and photographs, with any variations clearly agreed before additional work begins. Our experienced team works safely, protects the surrounding property, removes waste responsibly and leaves each site clean and tidy. Whether you require a small repair or a complete building project, KTB Construction Ltd provides a dependable, professional service from one local contractor.

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  • Experienced and reliable handyman providing quality home repair, maintenance, installation, and improvement services. I take pride in dependable work, attention to detail, and leaving every job clean and completed to a high standard. I’m committed to honest communication, professional service, and customer satisfaction.

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  • More than 20 years experience in all aspects of the building trade. Specialist in extensions/alterations, kitchens, bathrooms and brickwork. City and guilds qualified. No job too small. New to my builder so still building portfolio on here.

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  • Specialist in full bathroom fitting and complete house renovations. We handle everything from tiling and plumbing to electrics, windows, doors and all finishing work — quality work guaranteed.

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  • We are a trusted construction company specializing in high quality new domestic builts . Our focus is on creating homes of highest standards, completed on time, and to meet our clients’ needs , comfort and lifestyles.

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  • FK Skyline is a London-based construction company specialising in loft conversions, extensions, and full property renovations. We deliver high-quality workmanship, reliable timelines, and clear communication from start to finish. Our team is experienced, professional, and committed to meeting clients’ expectations while maintaining excellent standards of safety and cleanliness. We take pride in providing honest pricing, attention to detail, and customer satisfaction on every project.

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  • We undertake design, refurb, refit and installs for internal and external domestic builds such as kitchen, bathroom, bedroom, outdoor landscape features such as patios, planters, and outdoor kitchens and pizza ovens. We listen to the customer to properly understand what is wanted and provide supportive advice about what can and cannot be done. We are happy to undertake small, craft jobs with care and patience, restoring, repairing and refurbing as much as possible. We can offer 3D images of designs to help customers see what the result will look like. We keep customers informed of progress and problems and are happy to explore options with customers which maybe less conventional but maybe more affordable or sustainable. We give clear pricing and are happy to offer options from budget to high-end.

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  • We specialise in construction and property improvements, providing durable, high-standard workmanship with a focus on detail, efficiency, and customer satisfaction

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  • We are a newly formed construction business, based in Cambridge. A father-and-son team with over 20 years combined experience in the construction industry. Specialising in bespoke caprentry, we offer end-to-end project management for residential and commercial projects, as we work with reliable landscapers, plumbers, tilers, kitchen designers and other tradesmen. Looking for a garden room, bespoke wardrobes or media units, or planning an extension, loft conversion or refurbishment. With a diverse portfolio, we are a one-stop shop, who can assist with any project -big or small.

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  • Hi, My name’s Andy and I run APS Home Improvements. I’ve been in the trade for over 14 years and carry out a wide range of home improvement work, including kitchens, bathrooms, flooring, skirting, architraves, tiling, and media walls. We take pride in delivering high-quality workmanship, attention to detail, and reliable service on every project.

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  • Over 7 years experience, quality guaranteed

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  • 6 years in the construction industry Experienced machine driver Clean and reliable Respectful and well mannered Experienced in most external work

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  • A1 Property Restorations our a small friendly team of dedicated builders and decorators with a large range of skills including accredited loft insulation installation, SuperFOIL installer. Flat roof certified Restec 20 year guarantee. On time projects that meet regulations and the customers requirements and budget. We got the extra mile.

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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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