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

25438 Results

Sort by:

  • I’ve been a carpenter for 40 yrs and had a 4 yr apprenticeship and have specialised in all aspects of joinery. From building roofs to fine bespoke carpentery furniture and kitchens and panelling and more recently media walls.

    Get in touch
  • With 20 years of experience, we carry out plastering, laminate flooring, kitchen, and tiling work.

    Get in touch
  • We are a small family company with age and experience we do complete returbs to extensions from small plumbing to new roofs man caves or teenagers hang out kitchens and bathrooms. After 45 years and a wealth of designs I have done for people, very approachable to hear customers ideas and following it through to completion and customers satisfaction. Remember a good design is one that is practical too. We are all multi skilled workers so unless it’s a very large job we don’t have to bring in any sub contractors so you actually deal with the people who are doing the job. Previous customers can be contacted to give you peace of mind

    Get in touch
  • Reliable and experienced contractor offering high-quality tiling, painting, plastering, and interior decoration services. I specialise in indoor and outdoor tiling, including garden paving, full bathroom renovations, and kitchen splashbacks. We also provide professional wall partitioning, plastering, and custom decorative finishes. Dedicated to precision, clean workmanship, and timely completion. Contact us for a reliable, professional, and friendly service

    Get in touch
  • NJR Windows, Doors & Conservatories NJR Windows, Doors & Conservatories is a professional, reliable local company providing high-quality window, door and conservatory installation, replacement and repair services. Our experienced team takes pride in delivering excellent workmanship, honest advice and a friendly, professional service from initial quotation through to completion. Our services include: • uPVC windows and doors • Composite doors • French and patio doors • Conservatories • Conservatory roof upgrades • Replacement misted or failed glass units • Window and door repairs and servicing • Locks, handles and hinges • Fascias, soffits and guttering • Emergency temporary boarding • Residential and commercial work Whether you need a simple repair or a complete replacement installation, we’re happy to provide a competitive, no-obligation quotation. NJR Windows, Doors & Conservatories Quality workmanship • Reliable service • Competitive prices

    Get in touch
  • Professional and reliable building contractor providing high-quality workmanship across residential projects. Experienced in renovations, extensions, loft conversions, roofing, plastering, carpentry and general building work. We pride ourselves on quality, attention to detail and customer satisfaction.

    Get in touch
  • We are small and reliable company of two young tradesmen in which we specialise in painting, decorating, tiling, carpentry, plastering, gardening, paving and more please shoot us a message if interested please . Thanks

    Get in touch
  • Fully qualified carpenter/ joiner for over 25 years full scope of works from roof building to kitchen fitting

    Get in touch
  • I’ve been a mason for nearly 30 years serving my apprenticeship in Bath. I’ve worked for many companies over the years while being self employed. I started out on the banker (in the workshop) then progressed to site. In recent years I’ve moved into general building and extensions learning as I go. If you need any masonry made and fitted it’s no problem including walling flooring and patios brick and block work also stone fireplaces too. I look forward to hearing from you. Kind regards, Richard.

    Get in touch
  • We do most work underground, but also above ground. Between us we have 30yrs experience, From drainage- laying slabs. We also carry out excavation and concrete works if required.

    Get in touch
  • At ECOSOL, we specialise in transforming properties into beautiful, functional living spaces through quality craftsmanship, attention to detail and a commitment to delivering exceptional results. We offer a comprehensive range of bespoke construction and home improvement services, specialising in house extensions, loft conversions, luxury kitchens, bathrooms, bespoke carpentry and premium floor finishes. Whether you’re looking to create additional living space, transform an unused loft, install your dream kitchen or completely renovate your home, our experienced team can bring your vision to life. Our Specialist Services * Bespoke House Extensions – From contemporary open-plan living spaces to traditional extensions designed to complement your existing property. * Loft Conversions – Maximising unused roof space to create stunning bedrooms, home offices and additional living accommodation. * Luxury Kitchens – Beautifully designed and expertly installed kitchens, tailored to your home and lifestyle. * Bathrooms & Renovations – Complete bathroom transformations with quality fixtures, finishes and workmanship. * Bespoke Carpentry & Joinery – Custom cabinetry, fitted wardrobes, media walls, feature panelling and unique timber insta

    Get in touch
  • Me name it's Teodor ay do construction work for 16 years, sow ay gate experience building end ay did big projects ay do this service: plaming, plastering, roof, paint, extension work, loft conversion work, tiling, bathroom fixing, kitchens, electrical work, garden work, work wood ,fencing repair work, etc, thanks Teodor

    Get in touch
  • Vexa Construction Ltd is a construction company specialising in brickwork, blockwork, repointing, restoration and general building services. We take pride in delivering high-quality workmanship, reliable service and attention to detail on every project, big or small.

    Get in touch
  • Welcome to S S Brickwork – a trusted, family-run building firm based in South Harrow with over 25 years of experience. We proudly serve London, Hertfordshire, and Surrey, offering expert brickwork and a wide range of building services. From house extensions and new builds to garden walls, re-pointing, loft conversions, and full home refurbishments, our reliable and fully insured team is ready to deliver quality craftsmanship on every project. Whether it’s a big site or a private home, we provide neat, professional work with honest quotes and dependable service. Contact S S Brickwork today for a consultation

    Get in touch
  • Claystone Builders Ltd are local builders based in Hastings and cover the South East, including London. We have more than 35 years experience in the building trade and have built up a good reputation in the area for producing quality work. We offer a superior service in all projects and assignments, and project manage from start to finish. ​At Claystone Building we believe in delivering the very highest standards in all areas of the building industry, we work with pride and integrity and a genuine passion to bring your vision to reality. We pride ourselves on excellent workmanship and always work with a smile. Our reputation has gone from strength to strength over the years and as well as hundreds of happy clients we also work alongside several architects and surveyors and can manage a project from the design stage right up to completion. You will find us competitive in our prices with work completed to the highest of standards, and all work carried out by Claystone Builders is fully guaranteed and insured. We take pride in giving our customers plenty of choice. To this end, we are happy to assist and advise with options in order to find the most cost effective of solutions. With their years of experience our highly trained team

    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