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

25397 Results

Sort by:

  • We are a team of experienced, qualified, and skilled professionals offering a wide range of high-quality services for your home or property. Whether you're renovating, upgrading, or starting fresh, we’ve got you covered from top to bottom. ✅ Our services include: Window installation Plastering Tiling Laminated flooring Electrical work Home extensions Painting & decorating Roofing ...and much more! Tell us what you need — we have the right people for the job. We are highly competitive.

    Get in touch
  • We will doing work friendly and responsibly . Never complaint trust me thanks

    Get in touch
  • We offer a range of services from domestic requirements including sunrooms, home extensions and designer landscape gardening solutions right through to industrial requirements such as constructing machine bases and all aspects of civil engineering. A full range of the serves we offer can be found throughout our website. ADP Building Limited is a family run business and the team are led by Alan Porter. Alan has over 30 years experience in the building and construction industry, with previous projects ranging from providing and delivering civil engineering solutions, building single properties right through to larger scale residential developments. At ADP Building Limited, we aim to offer quality, professional service and craftsmanship using the finest materials at affordable prices. Alan and the team are on hand to offer advice and to ensure that every aspect of your project meets with your requirements.

    Get in touch
  • Good day to you I’m a 52yr old bricklayer by trade advanced craft city a guilds trained with over 30yrs experience in the construction industry and deciding to now work for myself instead of working for other companies which get the work then pay me to do it for them.Cut out the middle man and come direct to me to have the same job done it’s that simple and will save you a lot of money.I,m a genuine hardworking individual that does the job correctly stone brick or block.Patios houses extensions have experience in all aspects .From dig out to completion all masonry is done by me and my colleague not sub contractors..All pictures in the portfolio are works done by myself and colleague not fakes 100%genuine same as us thanks for reading

    Get in touch
  • Hi, I’m Cristian, founder of Tudor Property Works, based in Northampton. With over 20 years’ experience in residential construction, I’ve managed large-scale developments and also worked hands-on with private clients. My background as a Site Manager means I understand every stage of a build — from groundworks to final finish. I now focus on extensions, private roads, foundations, drainage, patios, fencing, concrete works, and general external construction. Whether it’s improving access, creating more space, or upgrading your property, I bring practical planning, skilled labour, and reliable machinery to every job. I work with a small, trusted team of tradesmen and operators. We are professional, punctual, and keep the site clean and safe throughout. I pride myself on clear communication, fair pricing, and high-quality workmanship. I cover Northampton and surrounding areas. No job is rushed — I treat every project with care, like it’s my own. Let’s build something great together.

    Get in touch
  • Specialising in in all aspects of construction. -Loft conversions -Extensions -Renovations -New builds -Landscaping

    Get in touch
  • I have some professional strong work experience that will help me with this job if I am successful. I would describe my work ethic as reliable and consistent. I enjoy my work and I find it easy to stay motivated and productive. I've also noticed that I feel better at the end of the day when I've had a great, productive day. So I find it rewarding, too.

    Get in touch
  • We have over 25 years experience in roofing, building renovation, building repairs inside and outside, painting, extensions, loft extensions, plumbing and electrical.

    Get in touch
  • "I am a dedicated builder with extensive experience in construction and project management. I specialize in delivering high-quality projects, from concept to completion, ensuring durability, efficiency, and client satisfaction. My expertise spans residential, commercial, and custom builds, always focused on precision and innovation."

    Get in touch
  • We are highly specialised in carpentry and shuttering carpentry . We love delivering top quality work for our costumers,we make sure always that we do the job how our clients would like it . We are specialised also in many other trades like plasterboards,partitions,hanging doors,fitting kitchen,bathrooms,tiles and many more.

    Get in touch
  • Very experienced in all aspects of groundworks and civils to hard landscaping and everything in between have a gang with over 50 years experience and a handful of skilled trades people who we work with to complete any property work that is required

    Get in touch
  • FORGE CONSTRUCTION & MANAGEMENT LTD Thames Valley Based -Brickwork & Stone Specialist. -New builds, Extensions. -External Works. -Landscaping -Project Management. Dedicated to building to high standards.

    Get in touch
  • Lakeside construction was established in 2020, we are a small team with over 10 years experience we cover most of Cumbria and surrounding areas

    Get in touch
  • Welcome to Assemble Building Contractors, where your vision for a perfect home becomes a reality. Co-owned by Andrew and Jack, our company prides itself on delivering exceptional quality, innovative solutions, and unparalleled customer service. With decades of experience in residential construction, we are dedicated to guiding you through every step of the process, ensuring your project is completed on time, within budget, and to the highest standards. Thank you for choosing Assemble Building Contractors – building excellence from the ground up.

    Get in touch
  • At LABC Group, we deliver high-quality construction and refurbishment work across London and the Home Counties. From domestic extensions to large-scale commercial renovations, we bring professionalism, attention to detail, and over a decade of hands-on expertise to every job. Our team of skilled tradespeople and project managers ensures every project runs smoothly—from first consultation to final finish. We take pride in our communication, clean workspaces, and reliable delivery, no matter the scale. Recent projects include: Full refurbishment of a 3,500m² warehouse and office 30m² residential extension in East London Tower Street Food Hall fit-out in Ipswich We're fully insured, punctual, and committed to top-quality workmanship. Get in touch for a no-obligation quote or site visit.

    Get in touch

4.4

Top rated Extension Builders

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