Describe your job with details to view a tailored list of tradespeople.
Post your job

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

Post your job for free

Post your job for free

Tell us about your job, and we’ll alert suitable tradespeople in your area. It’s simple and free.

Tradespeople respond

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

25416 Results

Sort by:

  • Hi, I’m Alex. I run a small team specialising in general construction and property refurbishments across South East London and beyond. No job is too big or too small — from repairs and renovations to complete refurbishing projects, we handle it all with attention to detail and reliability. If a project requires specialist skills, I work with a trusted network of subcontractors to make sure every part of the job is done to a high standard. I take pride in delivering quality work, on time, and keeping my customers happy.

    Get in touch
  • My name is Ols Skeja, I have a family run construction business. I have over 10 years experience in groundwork's/bricklaying. All aspects of groundwork available including extensions, artificial grass laying, fencing, steels etc. I have a qualification in digger driving and also have 10 years experience using a digger. I am based in Margate, Kent. But can also take work out of Kent. The company has grown steadily over the years, I pride my self on my hard work and professionalism.

    Get in touch
  • CWB Builders have been established for over 45 years working in Chingford Walthamstow Woodford and all the surrounding areas With many returning customers over the years we pride ourselves on being recommended We carry out all types of building work including Extensions, Conversions, Renovations, Electrical, Roofing Plumbing and heating, Plastering work Painting and decorating Bathroom and Kitchen Refits We can also arrange Planning drawings and advise.

    Get in touch
  • My name is Bakai. From Kyrgyzstan. I am 29 years old. I am a highly experienced Bricklayer. I have worked as a Bricklayer and Supervisor in Siberia for 5 years. I had a team of professional Bricklayers. In May 2023, I moved to the United Kingdom and retrained in the English standard of masonry. I currently work for a company that specializes in brick, block, and all types of masonry. On my days off, I work part-time as a self-employed person. I do all types of masonry. Bricks, blocks, with and without expansion joints

    Get in touch
  • Layton Homes Ltd – Expert Bricklayers You Can Trust 🧱 Thinking about improving your home or starting a new project? Whether it’s a home extension, new build, garden wall, or repointing work, Layton Homes Ltd delivers quality brickwork across Kent — built to last and finished with care. We’re not just bricklayers — we’re brickwork specialists offering full planning and design support to help bring your vision to life. ✅ Fully insured for your peace of mind ✅ All work guaranteed ✅ Experienced, local craftsmen ✅ Reliable and tidy on every job From boundary walls to bespoke builds, you can count on Layton Homes Ltd for professional results and friendly service every time. “Layton Homes Are very meticulous what they do. And plan everything right fantastic job I’m very very pleased and the price is very very good 5 stars” ⭐️⭐️⭐️⭐️⭐️ “Excellent workmanship and very reasonable priced, I would definitely use him again and recommend to anyone in need of a brickie!” ⭐️⭐️⭐️⭐️⭐️ Get in touch today for a free, no obligation quote!

    Get in touch
  • About TSMD Properties Ltd At TSMD Properties Ltd, we pride ourselves on delivering high-quality carpentry services with precision, reliability, and attention to detail. Based in London, we work with homeowners, landlords, estate agents, and property developers to provide expert solutions tailored to every project. From skirting and architraves to doors, frames, and bespoke joinery, our skilled team brings craftsmanship and professionalism to every job. Whether it’s a small repair, a large installation, or a full property refurbishment , we approach each task with the same dedication and care. Why choose us Competitive and transparent pricing Skilled workmanship with a professional finish Flexible services tailored to your needs Reliable and trustworthy team At TSMD Properties Ltd, our mission is simple: “Crafting Quality, Building Trust.” Let us help you transform your space with carpentry that combines skill, durability, and style.

    Get in touch
  • I bring more than 10 years of construction experience and work as a multi-trade operative with strong skills across different trades. I understand site safety, quality standards, and how to complete work efficiently without cutting corners. Clients can expect reliability, professional communication, and a high level of workmanship on every task.

    Get in touch
  • Fast realiable, honest trade people. With excellent recommendations.

    Get in touch
  • Family run business with over 40 years experience in the construction industry

    Get in touch
  • We specialise in all types of construction including extensions and one off house’s.

    Get in touch
  • CWS has been trading for 20 years now in all aspects of construction everything from roofing houses to refurbishment of bathrooms and kitchens fencing small build extensions and everything in between

    Get in touch
  • I offer carpentry work 1st and 2nd fix and will also undertake building work too.

    Get in touch
  • Hiya I’m bricklayer by trade and also a general builder. I have a lot of contacts to be able to complete full extensions and have a little team that is great all good bricklayers and general builders. Travel all around Dorset so just give me a message.

    Get in touch
  • Hi we are GCMC experts in foundation groundwork with over 20 years experience in construction from domestic to commercial

    Get in touch
  • My names Troy reeve, we have 40 years experience in all aspects of groundwork’s, we deliver high quality work with an eye for detail. We strive to make your out door space a luxury Leisurely environment, time communication and pride. Get in contact and we will achieve any task that you need taking care of. OTT groundwork’s and landscape

    Get in touch
  • 25 years experience in the building. Main profession groundwork’s but have picked up many skills over the years . Brickwork , renovations , extensions , steel work , driveways patios etc Been a very busy year but need some gaps in my diary filling .

    Get in touch

4.4

Top rated Extension Builders

Our Extension Builders, are rated 4.4 out of 5 based on 290 reviews from customers like you.

Quality screening

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.

Trades

Cities