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:

  • Foxtons Frames is an established, trusted company with over 30 years of experience delivering high-quality home improvement solutions. We specialise in the design and construction of single-storey extensions, orangeries, replacement conservatory roof systems, conservatory refurbishments, and the installation of premium uPVC and aluminium windows and doors. We are committed to providing exceptional workmanship, outstanding customer service, and clear communication throughout every project. From the initial consultation to completion, our experienced team professionally manages every aspect of the installation, ensuring a smooth, stress-free experience and the highest standards of quality. We can also handle all planning permission and Building Control requirements on our clients' behalf, managing the process from start to finish for added convenience and peace of mind. For complete peace of mind, all work is backed by a comprehensive 10-year insurance-backed guarantee. Our reputation has been built on reliability, professionalism, and consistently exceeding customer expectations, making Foxtons Frames a trusted choice for homeowners looking to enhance and add value to their properties.

    Get in touch
  • We have over 25 years experience working in construction, covering all areas of the building. With a dedicated team for structural works we can do the majority of work in house. We are also bolstered by a number of incredibly efficient and highly skilled contractors to ensure all projects are completed on time and on budget

    Get in touch
  • We undertake all aspects of carpentry and construction, loft conversions, 2nd fix, 1st fix, roofing, cut roofs, truss roofs, garden rooms, outbuildings, annex, extensions, flat roofs, bespoke carpentry, wardrobes, stairs

    Get in touch
  • Good design, built to last. Grown Home offers modern, sustainable design and build services across the South West. We are your project partner and single point of contact enabling a streamlined and effective process to bring your project to life. We deliver small projects with our own team and larger projects through our network of trusted trade contractors and partners using the best materials that contribute to healthy, sustainable, energy efficient and innovative homes.

    Get in touch
  • Neil Chamberlain has over 30 years of experience in the construction industry, where he has gained a comprehensive level of knowledge and a thorough and in-depth understanding of most trades and skills. Neil commenced his career in construction as a sub-contractor building loft conversions, primarily in West London, and was awarded by The Federation of Master Builders for an exceptional conversion in Wimbledon.

    Get in touch
  • At BS Builders, we specialise in creating dream homes. We provide reliable, high-quality building and property services for homeowners across Peterborough and surrounding areas. We deal with all domestic jobs: General building work Home renovations Property refurbishments Extensions and additions Loft conversions Plumbing Electrical work Kitchen and bathroom renovations Brickwork and blockwork Plastering and rendering Flooring and tiling Carpentry and joinery Roofing repairs and maintenance Painting and decorating Plasterboard and dry lining Internal and external repairs Doors and windows Fencing and landscaping Driveways and patios Damp and general property repairs Property maintenance Small jobs and handyman services Whether you're looking to refresh a single room, repair your property, renovate your entire home, or take on a larger building project, we can help. Moblie Number: Zero Seven Eight Six Eight Two Seven One Six One Zero

    Get in touch
  • E&N Construction specializes in professional bathroom fitting and renovation services. We help homeowners transform their bathrooms into beautiful, practical, and comfortable spaces, with quality workmanship and attention to every detail. From bathroom installations and refurbishments to tiling, plumbing, fixtures, and finishing touches, we take pride in delivering reliable, high-quality work tailored to each customer’s needs. At E&N Construction, our goal is simple: quality work, professional service, and customer satisfaction on every project.

    Get in touch
  • At MCC, we specialize in dependable building solutions, from new construction to full-scale renovations. Our experienced team is committed to quality workmanship and outstanding service on every project.

    Get in touch
  • Groundworks company with 25 years experience between us in all types of foundations, finishing works and brickwork.

    Get in touch
  • EcoFrame Direct specialises in the supply and installation of high-quality windows and doors, including uPVC and aluminium windows, composite doors, sliding doors, and modern glazing solutions such as rooflights and roof lanterns for residential properties. We work across London, Surrey, Kent, East Sussex and West Sussex, delivering carefully planned installations with a strong focus on quality, compliance, and customer experience. Every project is approached properly — from accurate measuring and specification through to professional installation and aftercare. Our team has extensive hands-on experience within the glazing and construction industry, and all installations are carried out in line with current Building Regulations. We work with trusted manufacturers and proven systems to ensure excellent thermal performance, security, and long-term reliability. We’re happy to advise on design, layout, glazing options, and energy efficiency, taking the time to explain everything clearly before work begins. Finance options are available where required, and all work is backed by product and workmanship guarantees for complete peace of mind. Free quotations, clear pricing, and reliable communication from first enquiry to completion.

    Get in touch
  • SJG Maintenance is a reliable and hardworking property maintenance service focused on delivering high-quality workmanship at fair prices. We cover a wide range of jobs including general repairs, home improvements, and ongoing property upkeep, always aiming to complete work to a high standard with a friendly, honest approach. Customer satisfaction and attention to detail are at the heart of everything we do.

    Get in touch
  • C Payne building services is a family ran construction and landscaping company based in shepton mallet , Somerset Providing high standards and quality of workmanship throughout the business with over 20 + years in the industry

    Get in touch
  • Professional Bricklayer based in London with 15+ years experience in construction, Fully qualified (CSCS Blue Card, NVQ Level 2). Experienced in managing small teams and delivering projects safely and efficiently. Services include:• Brickwork & Blockwork• Extensions & Structural Work• Garden Walls & Landscaping Brickwork• Repairs & Repointing I focus on quality, precision, and customer satisfaction. Clean and tidy work guaranteed. Available for private and subcontract work. Competitive prices and free quotations.

    Get in touch
  • We’re reaching out to introduce our professional cleaning and maintenance services, designed to keep your premises clean, safe, and operating at their best. Our cleaning services - Office and commercial cleaning - Deep cleaning and sanitation - Carpet and upholstery cleaning - Washroom hygiene services - Waste management and recycling - Pest control cleaning - Window cleaning - Gutter cleaning - Domestic cleaning - PPM cleaning Our maintenance services - General property maintenance - Repairs and handyman services - Preventative maintenance checks - Grounds and exterior upkeep - Planned day rate - Refurbishments - Office fit outs - PPM services Services - Joiners - Painters - Roofers - Plastering’s - Plumbing’s - Electrics Why Choose us? - Reliable and fully trained team - Flexible scheduling to suit your business - High-quality equipment and products - Competitive and transparent pricing - One point of contact for all property needs We can tailor our services to meet your specific needs, whether you require a one-off service or ongoing support.

    Get in touch
  • We are a small business that cover most aspects of building work. We have vast experience in Refurbishments, and new build projects in and around North west. We work with the customer from start to finish which includes the design right through to the finish that they have pictured from the start of their ideas. No job is too small. Some of the works we cover are: Renovations Extensions Kitchen installs Bathroom installs Windows and doors installs Painting and decorating Garden Landscaping Offering our customers a full 'design and build' experience that works with the customer and offers them a number of visions based on their own ideas. We also undertake smaller projects and offer a handyman service along with maintenance and 24 hour call outs. Our team is small but work effortlessly on each project to produce stunning results. All our leads will come with a Free and transparent quotation.

    Get in touch
  • 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

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