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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!

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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

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  • At Top K Construction and Design LTD, your vision is our project. With over 20 years of experience, we have successfully completed a wide range of projects across London, from new builds and refurbishments to garages and extensions. We are passionate about turning your ideas into reality and prioritize your satisfaction in every step of the process. We love taking on new challenges and working closely with our clients to create spaces that truly meet their needs. Let us bring your dream project to life — quality, reliability, and customer happiness are at the heart of everything we do.

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  • With over 20 years in property renovation we are more than capable to cover most tasks that may arise in your property. Recently specialising in creating outside spaces for our customer. Let us unlock your gardens potential.

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  • We are worth projects building contractors a small family run business operating for over 20 years and are members of the FMB so offering all their benefits and reassurances all the team are time served and and fully competent in what they do we offer all property related works from new build / extension/ renovation / roofs / kitchen / bathrooms / garage and cellar conversion / hard landscaping and the list goes on we also offer a planning service to design your plans and help with regs and submitting them for approval then getting the building control / engineer report/ steel work sorted so cutting a lot of stress and time out of the process for you. All in we are here to help with what ever size project you have big are small you can find more out about us on our website / facebook and instagram

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  • My name is Viorel. I have 12 years in construction from replacing hinges or a lock to building an loft or an extension. I do have experience in lofts and extensions conversions , painting, flooring and others. Ask and more than happy to help.

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  • We are small firm that cover all aspects of building works carried out by skilled tradesmen with over 18 years experience. We give free no obligation quotes D & N Building Services Plastering Rendering Fitting bathrooms Fitting kitchens Extension Loft conversion Refurbishment Fencing General building work

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  • Blackwood Ltd is a trusted building company dedicated to delivering high-quality construction and renovation services. With a commitment to craftsmanship, reliability, and customer satisfaction, we take pride in bringing each client’s vision to life. From small improvements to full-scale builds, Blackwood Ltd provides professional solutions built on experience, integrity, and attention to detail.

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  • I am 54 years old I have been a bricklayer since I was 16 I have been doing my home work for 25 years very professional not only do I lay bricks I do all aspects of building drainage footings all aspects of exstention I can also drive all plant as in diggers forklifts dumpers

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  • Hi, my name is Alex and I’ve been working in the building industry for over 10 years. I offer a wide range of services from decoration works right up to full extensions and am happy to take on any building works no matter how small.

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  • Hi, I am Connor director of Hamilton construction LTD. Here at HC Ltd we pride ourselves on delivering an exceptional professional service with top quality work. We specialise in new builds and extensions and have over 10 years experience doing these types of jobs, however it doesn’t stop there we offer an all in service from ground works to roofing and first fix to paint finish.

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  • At Spiro LTD Rendering & Roofing, we provide professional roofing, rendering, and property improvement services throughout London and the surrounding areas. With years of industry experience, we specialise in silicone render systems, exterior rendering, roof installations and repairs, loft extensions, insulation, paving, tiling, and general building works. Our commitment to quality craftsmanship, reliable service, and customer satisfaction ensures every project is completed to the highest standard, delivering durable and attractive results that add value and protection to your property.

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  • A happy customer is half the job.

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  • We are a Worcestershire based building company. With 20 years experience. We specialise in brickwork stone work and natural stone. We offer a landscape groundwork and building service. All aspects of building and landscaping work undertaken. No job to big or to small. Please see my Facebook @MSbuildings Or Rated people account for reviews and pictures

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  • Extension’s, Paving, Garden walls, All aspects of building work undertaken

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  • Build Fresh specialises in professionally managed, turnkey construction solutions. We deliver a wide range of residential and commercial projects—from renovations and conversions to extensions and new builds. Our fully managed service includes coordinating all trades, sourcing materials, and liaising with architects, building control, and other third parties as needed. This allows you to relax knowing your project is in expert hands. Clients are given access to a dedicated online portal, offering live updates on programme timelines, material selections, budget tracking, progress photos, and more—ensuring full transparency throughout the build. We operate on a clearly defined, fully costed budget. Any variations or extras are discussed and agreed with you before any work is carried out. We are fully insured, holding Public Liability, Employers’ Liability, and—uniquely—Contractors All Risk cover, providing added peace of mind throughout your project.

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  • Experienced civil and structural engineer who has prepared planning application plans, Building regulation plans, structural calculations and submitted"full plans" applications to council building control to be check for Building regulation compliance councils have issued full plans “Approval Certificate". WE ALSO PROVIDE ON SITE BUILDING CONSTRUCTION TECHNICAL INFORMATION SUPPORT to home owners for them to manager their construction project and save up to 40% ...£1000S.See Below

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  • Construction Services In Surrey. New Builds, Refurbishments, Expansions to Loft Conversions in Guildford and surrounding areas. At Prestige, we deliver exceptional construction services across Surrey and the surrounding areas. Whether you're planning a stunning new build, a stylish house extension, or a bespoke loft conversion, our expert team brings craftsmanship, reliability, and vision to every project. Based locally, we understand the architectural character and regulations of Surrey towns like Guildford, Woking, Epsom, and Walton-on-Thames. We help homeowners and developers bring their ideas to life on time, on budget, and to the highest standards.

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4.5

Top rated Extension Builders

Our Extension Builders, are rated 4.5 out of 5 based on 282 reviews from customers like you.

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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.

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