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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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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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  • Professional renovation and building services across kitchens, bathrooms, lofts, extensions, and more

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  • Thank You for taking the time to enquire about our services at Siddle Builders Coventry Ltd. I have been in the building trade for 30 Years. I have worked on many projects. These include New Builds, Extensions, Window Fitting, Roofing, Facias and Guttering, Driveways and Landscaping. No job too big or small. Quality work is in Siddle Builders Coventry Ltd DNA. We get pride from seeing our customers happy with our work and their hard earned projects. I look forward to helping you to deliver your planned works.

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  • A&R Miles Ltd is a general building and damp-proofing specialist company offering a complete range of services under one contract. Our specialist Damp & Timber Department is led by a PCA-qualified surveyor (CSTDB), supported by an experienced team specialising in damp-proofing, timber preservation (Fungal and Insecticidal infestation). We also have dedicated Renovation & Decorating Departments, allowing us to provide a complete end-to-end service. Where required, we can coordinate and arrange plumbing, electrical, carpentry and general building works associated with damp-proofing, timber treatment and property decoration. By bringing these services together, we can manage the entire process from initial survey and diagnosis through to remedial works, repairs and final decoration, providing our customers with a straightforward and professionally managed service from one company. Our aim is to provide reliable, high-quality workmanship with clear communication and a practical approach to every project.

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  • We are a family run business which has developed a well known and respected reputation for quality and workmanship in the southwest

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  • We are a well-established construction company based in the Scottish Highlands, with over 25 years of experience in all aspects of joinery and building work. We have successfully delivered a wide range of projects, from new-build timber kit homes and hand-cut or trussed roofs, to fascia and soffit work, external cladding, and high-quality interior fit-outs including kitchens, bathrooms, and finishing works. As fully qualified Advanced Craft Joiners and access to many highly skilled tradesmen in other trades locally we take pride in our workmanship and attention to detail. You can trust us to manage your project professionally from start to finish, and we are always happy to offer advice and provide clear, competitive quotations. We also have extensive knowledge and experience in exterior and groundworks, including driveways, slabbing, and fencing. With a reliable, skilled team in place, we ensure every project is completed to a high standard and to our customers’ complete satisfaction.

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  • KBZ Developments is a London construction company specialising in house extensions, property conversions, full property refurbishments, renovations and full builds across London and the South East. We also have experience with airspace developments and Grade II listed buildings. 🔨 Full Property Refurbishments 🏠 House Extensions 🏢 Property Conversions 🏗️ Full Builds & Construction Projects 🏛️ Grade II Listed Building Works 🏙️ Airspace Developments ✅ Free Site Visits & Quotations ✅ Reliable Project Management ✅ High-Quality Workmanship 📍 London & the South East 📩 Contact KBZ Developments for a free quotation.

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  • We are a well respected and trusted construction company who takes pride in our work and the finish . We cover all aspects of the construction industry. Extensions , renovations, new builds.

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  • Professional Building Services – 20 Years of Experience With over 20 years of experience in the building trade, we provide reliable, high-quality brickwork and building services, taking pride in every project we undertake. From small repairs and garden walls to extensions, new builds, repointing and all aspects of bricklaying, we deliver professional workmanship with attention to detail. We are committed to providing a friendly, dependable service, using our skills and experience to ensure every job is completed to a high standard. Whether you’re looking for a small brickwork repair or a larger building project, we offer quality work, honest advice and a professional approach from start to finish. Quality workmanship, reliability and customer satisfaction are at the heart of everything we do.

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  • At ProBuild Southwest, we specialise in high-quality residential building and renovation work across Devon and Cornwall. With a combined 22 years of construction experience, we provide reliable workmanship, professional project management and clear communication from start to finish. We undertake all aspects of building work including house extensions, renovations, loft and garage conversions, structural alterations, roofing, kitchens, carpentry, steel installations and full property refurbishments. Whether you are transforming your home with an open-plan living space, upgrading an outdated property or building a brand-new extension, we deliver every project to a high standard with attention to detail throughout. Our team works closely with homeowners to ensure projects run smoothly, remain organised and are completed with minimal disruption. We pride ourselves on being dependable, tidy and approachable while maintaining quality craftsmanship on every job we undertake. Based in Plymouth, we cover the whole South West and offer free quotations, fast response times and site visits within 48 hours where possible. From small improvements to large-scale renovations, ProBuild Southwest is committed to delivering professional results that homeowners can trust.

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  • My name is Michael fuller from Alma Build with over 20 years experience. We offer a wide range of building work from extensions, alterations, kitchens and bathrooms. We also offer a free no obligation quotation.

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  • Hail & Stone Construction Limited specialise in delivering high‑quality and high-end building and construction services that stand the test of time. With a strong reputation for reliability, craftsmanship and attention to detail, we work closely with our clients to bring their vision to life – on time and on budget. From initial design and planning through to completion, our experience enables us to manage projects of all sizes, including new builds, extensions, renovations and commercial fit‑outs. Whether you are a homeowner, developer or business owner, we provide a professional and transparent service, clear communication at every stage, and a commitment to exceptional results.

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  • Thorner Building Services are based in Leeds undertaking all aspects of domestic building work Please take a look at our Facebook and Instagram pages to take a look at our recent projects, we also have a website Thorner Building Services I have added a few pictures to the portal but their are lots more on our social media pages Many thanks Matt

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  • Resst Construction Ltd has been delivering high-quality construction and refurbishment services since March 2011. With over 100 successfully completed projects, we have built a strong reputation for excellence, reliability, and attention to detail throughout South West and West London. We specialise in high-end refurbishments, transforming properties with exceptional craftsmanship and a professional approach tailored to each client’s vision. From residential renovations to complete property restorations, our experienced team is committed to delivering outstanding results on every project. Resst also focuses on Kitchen extensions, Loft conversions as well As Full house refurbs At Resst Construction, we pride ourselves on exceeding customer expectations through quality workmanship, clear communication, and dedication to client satisfaction.

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  • PSM New Builds Ltd is a highly skilled and professional building company delivering high-quality construction and refurbishment services across the South East. With many years of industry experience, we specialise in new builds, extensions, full property refurbishments, and bathroom fit-outs for domestic, residential, and commercial clients. Our team is made up of reliable, time-served tradespeople committed to delivering exceptional workmanship on every project, regardless of size or complexity. Backed by City & Guilds qualifications in welding, plumbing, heating, and gas, we bring extensive technical knowledge and hands-on expertise to every stage of the build process. At PSM New Builds Ltd, we pride ourselves on maintaining the highest standards of quality, professionalism, and customer satisfaction. From initial planning through to completion, we work closely with our clients to ensure projects are delivered efficiently, safely, and to the highest possible finish

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  • At Build Wise Construction, we’re a Sussex based construction company committed to delivering quality workmanship and outstanding customer service. We take pride in doing every job right the first time, using skilled craftsmanship and attention to detail to create results that are built to last. Whether it’s a small repair or a larger construction project, we treat every job with the same level of care, professionalism, and reliability. Our goal is simple: provide honest advice, high quality work, and a finish you can be proud of.

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  • We are a small,family run business where we supply and install bespoke garden rooms , Garage conversions,Gazebos , Pergolas ,Decking , Outdoor kitchens. New to Mybuilder but by no means new to the trade so don't let the 0 reviews on here fool you. We have a lot of 5 star reviews on other platforms.

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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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Easily find verified local tradespeople. Just post your job to get quotes from tradespeople near you across the UK.

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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