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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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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

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  • Bricklayer with 8 years’ experience, covering all aspects of brickwork including new builds, extensions, garden walls, and repairs. Reliable, hardworking, and committed to high-quality, tidy workmanship. Always aim to finish jobs on time with customer satisfaction as a priority.

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  • With over 30 years’ experience in extensions, new build houses, and home improvements, I deliver reliable workmanship and quality results from start to finish. I take pride in doing the job properly, and I’m happy to provide references from previous customers who’ve been delighted with the work.

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  • Hi, I'm Bogdan I recently graduated with a degree in Construction Management, so I have a strong understanding of how buildings go together—from foundations to finishes. I'm now offering my services as a general handyman and tradesman. Whether it's flooring, painting, basic plumbing, flat-pack assembly, or small repairs, I can handle it. I'm at the start of my career, which means I'm keen to prove myself, pay attention to the details, and offer competitive rates. No job is too small, and I'll always be honest about what I can and can't do.

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  • Cornwall Bespoke have been providing first class building and joinery services throughout the South West since 2007. Our team of experienced craftsmen are backed by the region’s leading suppliers – ensuring that each and every job we undertake, big or small, is carried out to exceptionally high standards

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  • Hi, I’m Keith, owner of Keith Sealey & Sons Electrical Services. I’m a NAPIT Approved electrician and City & Guilds qualified, with over 40 years’ hands-on experience in domestic electrical work across South Wales. I specialise in high-quality, compliant electrical installations and upgrades, including: • EICR testing & landlord certification • Consumer unit replacements • Fault finding & repairs • Full & partial rewires • Kitchen & bathroom electrics • Lighting upgrades & safety improvements All work is carried out to current regulations and Part P compliant, with safety and attention to detail as standard. I understand that choosing a tradesperson is about trust. That’s why I focus on: ✔ Clear communication ✔ Turning up on time ✔ Respecting your home ✔ Leaving everything clean and tidy ✔ Doing the job properly the first time Much of my work comes from repeat customers, landlords and estate agents who value reliability and experience. If you’re looking for a professional, established electrician who takes pride in his work, I’d be happy to discuss your project. Keith Keith Sealey & Sons Electrical Services

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  • Me and business partner are directors ALF Building Services Ltd and have been training since 2022 but self employed before that, so decided to go Limited, I am one of 4 in the team and I sub contract with my trusted trades for any other jobs that I don’t do myself so it’s less stressful for customers and more productive for the jobs to go smoothly and complete projects on time, I have completed a-lot of projects in the past 5 years and al jobs have been word of mouth so not advertised, I am still busy but I thought let me try My builder and see new customers , check my page on facebook or instagram alfbuildingservices.Ltd. I am working in oadby Leicester at the moment and renovation of own property in Coalville Leicestershire, i can travel in all Leicestershire and within 1hr drive round Leicestershire. My special skills are basically I can do all jobs, but I am gas safe, done a lot of kitchen and bathroom/en suites fitted in the last 5years , renovated quite few houses, full central heating and underfloor heating , landscaping. Expertise , good vision for making the layout of the house better for customers, and as per list of jobs I will do it all for you. Why hire me, I am honest and I don’t cut corners, everything 5*.

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  • Critchell Construction is a trusted residential building company based in West Byfleet, covering Surrey and the South East. We deliver high-quality building solutions including extensions, renovations, garden rooms, bespoke carpentry, landscaping, artificial grass installations, fencing and general construction works. We work closely with homeowners to provide clear communication, honest guidance, and exceptional workmanship at every stage, ensuring each project is completed to the highest standard.

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  • This is my favorite drywall job. I have a small team of 5 people

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  • I have over 40 years of experience in the building trade. I have worked on projects from garden walls to multi million pound resorts.

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  • Welcome, and thank you for considering us as your builder. We believe building isn’t just about bricks, concrete, and timelines—it’s about trust, communication, and bringing your vision to life. With a strong focus on quality craftsmanship and attention to detail, we take pride in delivering projects that are built to last. Whether it’s a new build, renovation, or custom project, we work closely with our clients from start to finish to ensure every decision reflects their needs, style, and budget. Our goal is simple: to make the building process clear, honest, and stress-free—while delivering results you can be proud of. When you build with us, you’re not just hiring a builder; you’re partnering with a team that genuinely cares about the outcome.

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  • I’ve been in the building trade for 30 years. I started off as an apprentice at 16 to work my way up to a foreman. I have also worked as a landscaper for many years. Over the years I have acquired many skills along the way. Happy to quote for big or small jobs

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  • A local handyman in the Croydon area who does basic plumbing repairs electrical socket pendant repairs painting and decorating lock changes

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  • Reliable with over 15 years of experience.

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  • Fencing Specialist – Reliable, Affordable & High-Quality Work We are a reliable and hardworking fencing contractor with experience installing, repairing, and replacing all types of fencing across domestic and commercial properties. We take pride in delivering strong, neat, and long-lasting fences tailored to each customer’s needs and budget. Our services include: • Closeboard, feather edge & lap panel fencing • Concrete & timber posts • Gravel boards (timber & concrete) • Fence repairs & replacements

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4.4

Top rated Extension Builders

Our Extension Builders, are rated 4.4 out of 5 based on 288 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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