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

24168 Results

Sort by:

  • Under construction. Come back soon

    Get in touch
  • A & J pride ourselves on professionalism and honesty, From quoting for the job all the way to cleaning up at the end of the job, we offer full transparency and respect it can be a stressful time for our customers and at times friends. Specialising in all building works and landscaping. Repointing works in all all joint finishes.

    Get in touch
  • •Contact for any kind of building works •We provide quality work in reasonable prices. •We are specialist in renovation, Extension, Bathroom and Loft with or without conversion and New Build. •virdidesignandbuildessexltd@gm.....

    Get in touch
  • The Britstatus Company Ltd — Professional Building Services in London About Us We are a family‑run construction company with over 5 years of experience in residential and commercial projects. We operate across London and surrounding areas, ensuring quality, punctuality, and a professional approach at every stage of construction. Our Services House renovation and full refurbishment Extensions and loft conversions Carpentry (1st and 2nd fix) Bricklaying and masonry Drywall installation and plastering Kitchen and bathroom fitting Painting and decorating Flooring (wood, tiles, laminate) Roofing and guttering Landscaping and fencing General building work Why Choose Us? Experienced and reliable team Family‑run company with high standards VAT registered and fully insured Own tools, transport, and PPE Attention to detail Free quotes Available For Private clients Construction sites Property maintenance Renovation and refurbishment Subcontracting Ready to build something great together.

    Get in touch
  • Local Reliable builders that take pride in every job With over 20 years experience

    Get in touch
  • NW Construction is an Oxfordshire based building company with over 10 years of experience, specialising in property renovations. We also cover the surrounding area and take pride in providing a friendly, reliable, and professional service. We work closely with our customers, offering honest advice, clear communication, and high-quality workmanship from start to finish. Whether it’s a full renovation or a smaller improvement project, we’re committed to delivering results you can trust.

    Get in touch
  • Hello, I'm Daniel,l'm 43 years old,I'm a responsilbe, punctual and hardworking guy with 15 years of experiente.Thank .

    Get in touch
  • At SS Construction Services, we are a small company with a wealth of experience across all aspects of building and renovation. While we are new to this local area, we bring a proven track record of high-quality craftsmanship and a commitment to customer satisfaction. ​We pride ourselves on being versatile and reliable—no job is too small or too large for our team. Whether you need a room refreshed by our skilled decorators or a full-scale home extension, we ensure every project is finished to the highest standard. Our core mission is simple: making sure our clients are happy with every detail of our work. We look forward to helping you bring your next project to life!

    Get in touch
  • Have been doing groundworks for 20+ years. Decided to start a company for myself. Have a lot of experience in all aspects of groundworks, majority of past jobs have been start to finish, from foundations /drainage to the finishing touches like driveways/patios and turf. We have machines and tools for every job. Please don’t hesitate to get in touch for a quote.

    Get in touch
  • We are a building and landscaping company with all trades under one roof. We have been in business for over 10 years and have experience in all aspects of contruction.

    Get in touch
  • We are predominantly a damp proofing plastering firm. But we also specialise in most building work and renovations

    Get in touch
  • Hello I’m Ryan I’ve been working for a good few years I’m here to offer good quality work and good service from bishopton I’m always happy to help and answer questions I will always go talk through the job with you as a client we can make your dreams come true

    Get in touch
  • CSK Groundworks & Construction LTD Reliable Groundworks & Construction Services Based in Petersfield – Serving Hampshire & Surrounding Areas ⸻ What We Do We provide a full range of groundworks and construction services for residential and commercial projects, delivered to a high standard with a reliable, professional approach. ✔ Groundworks ✔ Drainage & Soakaways ✔ Foundations ✔ Extensions ✔ New Builds ✔ Hard Landscaping ✔ Patios & Paving ✔ Brickwork ✔ Retaining Walls ✔ Pathways & External Works ⸻ Why Choose CSK? • Experienced and reliable tradesmen • High-quality workmanship • Honest advice and competitive pricing • Fully insured • Local, trusted service We take pride in our work and aim to deliver every project on time and to the highest standard.

    Get in touch
  • Trusted building and roofing specialists serving West Lancashire. Backed by over 30 years of hands-on experience, we deliver high-quality workmanship on projects of all sizes, from full builds to remedial repairs, with a reputation for reliability and excellence.

    Get in touch
  • I have fitted & dismantled over 200 conservatories from A-Z myself and while managing a team and all finishing work inside. I have also have experience working on single storey extensions and refurbishing houses & properties

    Get in touch
  • 20 years experienced carpenter with knowledge of all trades. Theres not many jobs i cant do. I always leave every job clean and tidy and am sure everyone is always happy with the job when finished. Once you have used my services once im sure you wont ever need to find another carpenter again. All my work is done to a very high standard and im sure you wont be disappointed after. Thank you look forward to working with you.

    Get in touch

4.5

Top rated Extension Builders

Our Extension Builders, are rated 4.5 out of 5 based on 270 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