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

25439 Results

Sort by:

  • With over 10 years’ experience in carpentry and construction, we deliver high-quality workmanship across all aspects of residential building. From bespoke carpentry to full renovations and extensions, we pride ourselves on exceptional standards, attention to detail, and professional, reliable service.

    Get in touch
  • We are an established building contractor providing a comprehensive range of construction services through our in-house electrical, joinery, plumbing, and building divisions. Our electrical division specialises in domestic and commercial installations, delivering safe, efficient, and high-quality solutions across a wide variety of projects. As a NICEIC Approved Contractor, we are fully accredited to carry out compliant electrical installations, testing, and certification. We are also CHAS, Construction Line Gold, and SMAS accredited, demonstrating our strong commitment to health and safety, and operate as an ISO-approved company, ensuring consistent quality, compliance, and continual improvement across all areas of our work. With all trades working seamlessly together, we deliver reliable, coordinated projects from initial concept through to completion.

    Get in touch
  • Hi my name is Nathan, I’m a self employed Groundworker with over 15 years experience. I cover all areas of Groundworks from drainage, concreting, block paving, patios, retaining walls, demolition, and much more. I take a lot of pride in my work and I’m very reliable. but most importantly very understanding in what my clients want. Please feel free to contact 07398 me 901535 Many thanks nathan

    Get in touch
  • We are a creative company dedicated to crafting unique items that will be cherished, loved, and used for years. Our offerings include custom-designed, hand-built playhouses, full-size shepherd's huts, and holiday lets. We don’t just build; we apply our extensive experience and imagination to create the perfect project for you. We specialize in outdoor creations and outdoor living, including kitchens, fire pits, barbecues, covered seating areas, and decking projects. We also create fishing retreats and bespoke dog kennels, as we have a special passion for pet houses. Our commitment goes beyond just building—we excel in delivering a great experience for our customers. With over 35 years of experience, we take pride in what we do and care about the people we work with.

    Get in touch
  • I’m an experienced self-employed groundworker and working foreman, providing reliable groundwork services for homeowners, landlords and small building projects. My day-to-day experience includes organising and carrying out foundation work, concrete pours, drainage, manholes, levels, excavation, site preparation and coordinating plant and materials. I take pride in doing jobs properly, keeping customers informed and leaving the working area clean and tidy. Services include: • Concrete shed, garage and garden-room bases • Strip and trench-fill foundations • Excavation and site clearance • Drainage, gullies and manholes • Concrete slabs, paths and hardstandings • Sub-base preparation and compaction • Small demolition and ground preparation • General groundwork repairs I hold SSSTS along with dumper and roller tickets, and I have experience supervising groundwork and civil-engineering projects. Every job is assessed properly before a clear quotation is provided, with no hidden additions. Please send photographs, approximate measurements and details of the access when making an enquiry. I’m happy to discuss the best practical solution for your project.

    Get in touch
  • Been in the Building industry 45 years done lots of jobs new builds extensions renovation work chimneys stone work I feel it very important to keep the client involved throughout the job as much as they want, keep the lines of communication open all the time

    Get in touch
  • Eddie – U E BUILDING LTD Reliable • Experienced • Quality Workmanship Looking for a trusted builder? We specialise in all types of home improvements and refurbishments, including: ✔️ Kitchen & bathroom renovations ✔️ House extensions ✔️ Carpentry & joinery ✔️ Plastering & bricklaying ✔️ Garden maintenance ✔️ General building work 💪 Friendly, hardworking & always tidy ⭐ Highly recommended by happy customers on my Facebook page

    Get in touch
  • AS2 Construction Ltd , where craftsmanship meets innovation. As a leading construction company, we specialize in delivering high-quality projects tailored to meet your vision. Our dedicated team of experts ensures excellence in every detail, making us your trusted partner in construction solutions. Explore a seamless blend of expertise, reliability, and creativity with AS2.

    Get in touch
  • Hi all, bricklayer by trade but have experience in all works such and patios, repointing and ground works.

    Get in touch
  • Hello I’ve been on the tools for 4-5 years now doing jobs from building houses to pointing walls and everything in between before I became a builder I was at college studying architecture and changed as I found a passion for the building trade. Every job I do is done to high standard.

    Get in touch
  • RAP Construction Services Ltd - Domestic & commercial. New build, extensions Design & build and minor civil engineering projects. All requirements undertaken Our staff have over 35 years experience within the construction industry with a vast knowledge regarding all types of construction. We have both a major works section catering for commercial projects as well as a minor works section for domestic projects. Covering Carmarthenshire, Pembrokeshire and Ceridigion.

    Get in touch
  • CR SET Limited is a professional building and construction company specialising in residential extensions, refurbishments, and structural works. The company delivers high‑quality workmanship across all stages of a project, from groundwork and drainage to finishing and snagging. With a focus on safety, compliance, and Building Control standards, CR SET Limited provides reliable project management, skilled trades, and a customer‑focused approach to every job. The team works closely with clients, architects, and inspectors to ensure all work is completed to a high standard, on time and within budget.

    Get in touch
  • A trusted family-run building company specializing in quality construction, renovations, and bespoke projects built on strong values and dependable workmanship.

    Get in touch
  • acacia Roofing & Building Services We specialise in all aspects of roofing, with particular expertise in pitched roofs, slate roofing, tiling, roof repairs and complete re-roofs. We provide a reliable and professional service for domestic customers, covering everything from slipped or broken tiles and minor repairs to full roof replacements, leadwork, chimneys, fascias, soffits and guttering. We pride ourselves on high-quality workmanship, attention to detail, honest communication and leaving every job completed to a high standard. Our services include: Pitched Roofing | Slate & Tile Roofing | New Roofs | Re-Roofs | Roof Repairs | Leadwork | Chimneys | Flat Roofs | Fascias | Soffits | Guttering | General Building Services. Quality work. Professional service. Roofs built to last.

    Get in touch
  • Williams Design & Build Ltd is a professional, reliable building company with a strong focus on quality workmanship, attention to detail and customer service. I’m Martin, Director of Williams Design & Build, and I personally oversee our projects from the initial quotation through to completion. We undertake everything from renovations, refurbishments and structural alterations to kitchens, bathrooms, carpentry, decorating and complete property transformations. We pride ourselves on doing things properly. That means clear communication, realistic quotations, a tidy and well-managed site, reliable tradespeople and a high standard of finish. We are fully insured and stand behind the quality of our work. Whether it’s a smaller project or a complete renovation, every job receives the same level of care and attention. Our aim is simple: deliver work we’re proud to put our name to and leave every customer happy to recommend us. Williams Design & Build Ltd – Quality workmanship. Professionally managed. Built to last.

    Get in touch
  • General building contractor , ground works and roof maintenance

    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