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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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Some of our top rated extension builders

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  • Experienced Man with Tools. A call to me will be the best call ever for any jobs.

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  • We are a trusted team of experienced builders specialising in home renovations, extensions, and structural alterations. From kitchen and bathroom refits to full property restorations and load-bearing wall removals, we deliver high-quality work on time and to budget. Fully insured, reliable, and committed to clear communication from start to finish.

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  • With over 30 years experience in the construction industry we specialise in refurbishment, including kitchens, bathrooms painting and decorating, garage and barn conversions as well as extensions! We have all traders under one company

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  • Bils Construction Ltd is a Birmingham-based construction company specialising in property renovations, refurbishments, kitchen installations, flooring and general building work. Working with experienced builders and skilled tradespeople, we are committed to delivering quality workmanship, reliable service and excellent customer satisfaction. We pride ourselves on honest quotations, clear communication and treating every project with care and professionalism.

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  • At Lowes Plastering, we specialise in high-quality internal plastering and external rendering services. With over 20 years of hands-on experience in the trade, we take pride in delivering professional workmanship and flawless finishes on every project. From smooth internal plastering and skimming to durable external rendering and modern coloured render systems, we provide reliable, long-lasting results tailored to your property. Whether it’s a small repair or a full property transformation, we are fully insured and committed to delivering every job with attention to detail, cleanliness, and complete customer satisfaction. Trusted, experienced, fully insured, and dedicated to quality – Lowes Plastering gets the job done right.

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  • Hello, my names Jason I’ve been working in the trades for over ten years, I was plastering and building in Carlisle / Cumbria to begin with then I moved over to Durham in the north east, and have built a small team mainly for renovation works… I started my own company (fully insured) over the past 2 years and have been focusing on converting uninhabitable houses into good quality homes, specifically HMO (house of multiple occupancy) I’m hard working and reliable.. I’m also willing to travel… I have completed an smsts course and work in correspondence with health and safety guidelines… Thanks for considering me and hopefully we can work together.

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  • Welcome to K & J Building Contractors Ltd. With 40+ years in the building industry, we are highly experienced in many aspects of building work. Our parent company works alongside the top 10 builders in the UK so we are set up to bring our knowledge and expertise to the private sector. We have previously undertaken a variation of works including; full house refurbishments, renovations, extensions, driveways, patios, fencing, loft & garage conversions aswell as loft and conservatory insulation.. We always strive to have a good relationship with our customers, helping them bring their images to reality. Free, No Obligation Quotes!

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  • ​Our Services & Special Skills: ​Full Property Renovations & Refurbishments ​Home Extensions & Conversions ​Bespoke Carpentry & Joinery ​Complete Kitchen & Bathroom Renovations ​Interior & Exterior Decorating ​Why Choose Star Builders? We believe in doing things right the first time. Our philosophy centers on exceptional attention to detail, clear and honest communication from start to finish, and complete respect for your home. Whether you need a fresh coat of paint or a full home extension, we bring professionalism, high standards, and reliability to every job.

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  • We have Over 20 years experience in the building game we are also drainage specialists our aim is to provide a clean tidy site throughout all our jobs thanks for taking time to read

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  • Multi trade person with 17 years experience. Magnat Kitchen fitting certificated, LVL2 joinery, can also tilling,painting and decorating. Laminate flooring and loots more

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  • Bricklaying, Building & Patio Services With 7 years of experience in the bricklaying trade, we provide reliable, high-quality building and outdoor services for homeowners, property developers and businesses. Our services include bricklaying, extensions, new builds, garden walls, repointing, brickwork repairs and patios. Whether you're looking to improve your home, create a new outdoor space or carry out essential repairs, we deliver professional workmanship with attention to detail. We take pride in providing a reliable, friendly and professional service, completing every project to a high standard and working closely with our customers from start to finish. Looking for a trusted local tradesman for your next project? Get in touch today for a free, no-obligation quote. Quality workmanship. Reliable service. Built to last.

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  • K&M BUILDING SYSTEM LTD is a business that specialises in all aspects of building. From extensions to driveways, kitchens, bathrooms or demolition. No job is too big or too small. Get in touch and we will respond to your enquiry efficiently and we will deliver a FREE ESTIMATION with no obligations. As part of our service we will also provide advice on selecting the best products for you needs. We don't have many reviews here because we use other sites to get leads like Rated People, My Workmen e.t.c. Our teams has been working for B&Q for over 5 years to fit kitchens & bathrooms. In the meantime, we are working on large projects like extensions, loft conversions or structural works.

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  • every idea can be implemented, some of them are unprofitable, the client decides

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  • 20 years Carpentry & Joinery covering all aspects of building.

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  • We are new to my builder. Please have a look at our checkatrade for more reviews! Welcome to Pro-Plumb Services. We are a local plumbing company covering SE London, Kent and surrounding areas. We provide all plumbing and heating services as well as high end full house refurbishments. We always look to maintain the highest standards of work, as well as building fantastic relationships with our clients. Some of the services we offer; • Full house refurbishments • Kitchens • Boilers • Cylinders • Bathrooms/Shower installs • Radiator installs • Kitchen sinks • Underfloor heating • Powerflush • Emergency call outs • Drainage Please do not hesitate to contacts us 24/7 and we will be able to quote you an affordable price. Thanks!

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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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