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

24517 Results

Sort by:

  • At the heart of every successful construction project is a team that understands more than just bricks and mortar. It understands people, purpose, and the importance of delivering on promises. Our company has built its reputation on exactly these principles. We are a trusted construction partner known for reliability, quality workmanship, and a collaborative approach that places our clients’ needs at the forefront of everything we do. With years of industry experience, we have established ourselves as a dependable and professional construction company capable of delivering projects of varying scale and complexity. From residential developments and commercial builds to renovations, refurbishments, and specialist projects, we approach every assignment with the same level of commitment and care. Our reputation has been earned through consistent performance, transparent communication, and a genuine dedication to excellence.

    Get in touch
  • Anned Developments is a multi-disciplinary construction company delivering high-quality renovations, extensions, and new builds. With all trades working directly for us, we provide a complete service covering project management, engineering, and every phase of construction. We support both private clients and public-sector organisations, delivering reliable, fully managed building solutions.

    Get in touch
  • I have extensive experience in various types of work, including attic insulation, which helps save on heating costs. I pay close attention to quality and detail in every project, ensuring a professional and reliable result. I’m committed to delivering excellent workmanship and making a great first impression for every client.

    Get in touch
  • I’m Liam. I’m a reliable and detail-focused professional with a strong commitment to quality workmanship and customer satisfaction. I take pride in being punctual, tidy, and honest, and I always aim to deliver work to a high standard - no shortcuts. I believe clear communication is just as important as the job itself, so I’ll keep you informed from start to finish and make sure everything is done exactly as agreed. Whether it’s a small job or a larger project, you can expect a friendly, professional service and results you can trust. I look forward to working with you.

    Get in touch
  • We specialise in many types of foundations. We are a team of 3 professional groundworkers. Things we specialise in: Piling (all types of mini piling,drop cases, screwpiling) Foundations (rafts, beams etc) Digger work( site prep, site clearance or your simple digger work) Steelfixing to engineered standards/ drawrings concrete laying ( to desired level)

    Get in touch
  • With over 25 years of experience serving South West London, we are a trusted and professional building services company committed to delivering high-quality workmanship and reliable service. We specialise in a full range of building and maintenance services, including:

    Get in touch
  • I'm a building and landscaping professional with 20+ years of experience. My company has been built on recommendations, I specialise in extensions, garage conversions, garden patios and walls, Friendly service covering Sutton Coldfield, Lichfield, Stafford, Stoke-on-Trent and surrounding areas.

    Get in touch
  • I am a business that mostly takes on extension alterations new builds and landscaping projects. I have 20 years experience in the building trade

    Get in touch
  • Our company offer these services: Landscaping Services •Paving •Driveway •Fencing •Grass •Cleaning •Drainage •Garden Repair •Concrete Base •Wooden Pergola

    Get in touch
  • At GMC Home Improvements we cover a wide range of work. Carpentry & Joinery, Kitchens, Bathrooms, Bedrooms, Extensions and Renovations. We pride ourself on our quality of work and attention to detail.

    Get in touch
  • I am a bricklayer with over 12 years experience with work to a high standard! Blockwork Brickwork Stonework Patios Rendering Fencing General building. Facebook profile: D.Thomas Bricklaying

    Get in touch
  • Experienced builder specialising in house extensions, full renovations, bathrooms, kitchens and general building work. I’ve been in the trade for many years, helping turn old and damaged properties into modern, high-quality homes and also building new projects from start to finish. I take pride in clean work, fair pricing and making sure customers are happy with the final result. No job is too big or too small — alongside larger renovation and extension projects, I also take on smaller jobs to keep busy and help customers with day-to-day property work. Reliable, hardworking and able to handle all aspects of building work.

    Get in touch
  • South West Buildings At South West Buildings we specialise in construction support for home improvement projects across the South West. We work with homeowners, builders, and developers to supply and install the structural elements that make projects like extensions, garden rooms and replacement roofs possible. We regularly support projects such as: • House extensions • Garden rooms and garden offices • Knock-throughs and open-plan living spaces • Structural steel beam (RSJ) installations • Replacement roofs and structural roof alterations • Structural openings and wall removals We pride ourselves on clear communication, reliable workmanship and efficient project delivery. Whether you’re creating more living space with an extension, building a garden room or carrying out major structural changes to your home, we ensure the structural side of the build is handled professionally.

    Get in touch
  • Retired, self employed builder with over 50 years experience (Witham, Essex). All home projects considered inc extensions (single storey), conversions and garages. Will travel as far as London, all jobs considered. Message with job details for competitive quote. [Fully accredited asbestos removal & disposal]

    Get in touch
  • Welcome to South Birmingham Construction Group, where craftsmanship meets dedication in the heart of South Birmingham. From laying the foundations to reaching new heights with our roofing expertise, we handle every aspect of building with care and precision. As main contractors for esteemed estate agents and property management companies, we're not just constructing buildings; we're crafting dreams and building lasting relationships within our community, one project at a time. Here is a list of services offered by us: New Builds Extensions Loft Conversions Renovations All aspects of pitched & flat roofing Guttering and Drainage Brickwork Facias, soffits & cladding Plastering and Rendering Carpentry and Joinery Kitchen and Bathroom Installations Electrical and Plumbing Work Painting and Decorating Property Maintenance

    Get in touch

4.5

Top rated Extension Builders

Our Extension Builders, are rated 4.5 out of 5 based on 282 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