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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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  • Been in the construction industry for 40 years. Our attention to detail is our specialty. I treat clients homes as my own leaving tidy and clean as I can possibly making it. We are a trust worthy company that has pleased many of our clients in the past. I personally love my profession and helping clients dreams come true.

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  • Triune Developers Ltd is a professional property development and building services company known for delivering high-quality workmanship and reliable project management from start to finish. With over 15 years of experience, we specialise in transforming properties through skilled construction, refurbishment, and decorative services. Our dedicated painting and decorating division is at the core of what we do. We provide premium interior and exterior finishes with exceptional attention to detail—whether it’s a full property renovation, a commercial space upgrade, or a single-room refresh. Every project is completed with preparation, precision, and a flawless finish that lasts. Alongside our specialist painting services, we offer a full range of building and development solutions, including: Property renovations & refurbishments. Home extensions & structural improvements. Kitchen and bathroom installations. Carpentry and joinery services. General building maintenance and repairs. We pride ourselves on being efficient, professional, and easy to work with. Our team works cleanly, communicates clearly, and respects timelines and budgets. The result is a smooth, stress-free experience and a finish that elevates the space.

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  • Reliable n friendly building contractor Family oriantated employees/and reliable, honest workers/ sub contractors. Treats peoples works / homes. As if it was my own home or me nans home. Trust worthy / free estimates and advice. Plenty of pictures/ references from previous jobs over several years.

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  • Hi there have 15 years experience on groundwork’s and I was supervisor all time I love my job and I would like to start working for myself thank you for your time

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  • At Lotus Trinity we deliver state of art workmanship, exquisite customer service, quick turnarounds and competitive prices with efficiency and pride. Our friendly project managers will work one-to-one with you to ensure that each project is completed to your highest satisfaction. Founded by Sabin, who has over 20 years experience of working in the construction industry, along with our project managers with a similar level of expertise, we have knowledge and experience of the industry and nearly every niche within it. We strive to make the building process as stress free for our clients as possible throughout transparency and by keeping them up to date on everything that we do while delivering the highest quality work. Constant communication and quality control. Our clients projects are our business cards.

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  • Lyndale Building is a family run builders based in Hornchurch, Essex established for over 30 years. We deal with all types of building work and nothing is too big or too small whether domestic or commercial and we are able to offer a complete service from plans to completion. All work is fully guaranteed and carried out by our professional, experienced tradesmen who do all aspects of building and renovation work. We have a complete range of services to meet your every need. As well as having the qualifications on paper, Lyndale Buildings team know how to put them into practice. We grew from the principle that our service should satisfy our clients on every level – and our family-run business holds true to this ideal today. With our dedicated support, guidance and 30 years experience in the building trade, you can feel confident we will be with you every step of the way. We pride ourselves on the quality of our work and have spent many years building up a hard-earned reputation. Trust is hugely important to us, from living up to our pledge to make our customers happy, to the word-of-mouth referrals that bring new business into our company.

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  • Experienced carpenter with over 15 years in all aspects of carpentry. Highly passionate about delivering safe, high-quality work, consistently completing projects on time and to an excellent standard.

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  • Nell Developments Limited is a Portsmouth based construction and property maintenance company covering Hampshire and the surrounding areas. We deliver high quality building solutions across residential and commercial projects, from new builds and structural works to full refurbishments and ongoing property maintenance. Our services include groundworks, roofing, carpentry, plumbing, electrics, and complete project management. Whether acting as principal contractor for private clients or working alongside other contractors, we provide a reliable, well managed service with trusted specialist trades. We pride ourselves on clear communication, professional standards, and making the construction process straightforward and stress free for every client.

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  • Tiger Projects is a trusted joinery and construction company based in Aberdeen, specialising in home extensions, renovations and high quality joinery. We work with homeowners across Aberdeen and Aberdeenshire to transform properties through carefully planned building work, from structural alterations and full renovations to bespoke joinery and smaller improvement projects. Our team has extensive experience delivering projects that require multiple trades, allowing us to manage the full process from start to finish. This includes structural work, kitchens, bathrooms, internal alterations, doors, windows, flooring and custom carpentry. We focus on clear communication, reliable scheduling and a high standard of workmanship so clients feel confident throughout the project. Whether you are planning a full extension, renovating a property, or upgrading areas of your home, Tiger Projects aims to deliver practical solutions and a professional finish every time.

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  • I am a 22 year old mason who has been qualified for 4 years. I specialised in brickwork, blockwork and stonework. I work any weekends I can get assuming the work is there to be done!

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  • I am a fully qualified bricklayer with over 30 years experience I take on any building work from boundary walls to complete new builds

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  • Making your development dreams a reality.

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  • I’m a dedicated professional with extensive experience in loft conversion, extension, renovation and refurbishments. My passion is creating your dream living space, expanding your home with a stylish extension, renovating and refurbishing existing spaces or transforming unused loft spaces into beautiful and functional areas that meet the needs of my clients. Let’s work together to bring your version of life and create a space you’ll love.

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  • With over 20 years of experience in the building industry, we provide reliable, high-quality workmanship across all aspects of construction and property maintenance. We undertake projects of all sizes, from small repairs and renovations to full building work. Our services include general building, brickwork, plastering, painting and decorating, flooring, roofing, tiling, landscaping, fencing, extensions, and complete property refurbishments. No job is too big or too small. We take pride in delivering professional, honest, and dependable service, ensuring every project is completed to a high standard, on time, and within budget. Customer satisfaction is our priority, and we are committed to providing quality workmanship you can trust.

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  • ​Welcome to Greyridge Masonary. We specialise in high-quality stone masonry and bespoke hard landscaping, transforming outdoor spaces with craftsmanship built to last. From traditional dry stone walling, ashlar work, and lime pointing to custom stone patios, pathways, and retaining walls, we bring precision and structural integrity to every project. Whether you need historic stone restoration or a complete garden redesign, we take pride in deliver exceptional detail, clear communication, and timeless results.

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  • Traditionally time served joiner. 37 years in the trade. All types of external and internal work from skirting boards and architraves to fences and sheds. Doors and windows to roofs and renovations. Will work in city or the shire. All work carried out to a very high standard at competitive prices.

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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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