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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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Some of our top rated extension builders

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  • A.S.L Corporation Ltd, stands as a powerhouse in the UK construction industry. Based in London but serving the entire nation, we operate under a singular, driving philosophy: "Built Strong. Built Right." Our brand is defined by a commitment to civil-engineered results that prioritize structural integrity and aesthetic precision. We bridge the gap between high-end quality and affordability, offering a Best Price Guarantee that ensures our clients receive premium construction without the premium price tag. Our "no shortcuts" approach is backed by a dedication to on-time delivery; we respect your schedule by starting promptly and finishing according to plan. ​Our versatile service portfolio covers every stage of property development. We handle heavy structural work, including extensions, lofts, and garage builds, alongside refined interior services like bespoke kitchen fitting and tiling. Our expertise extends to the exterior with professional roofing, painting, and civil works. To ensure long-term value, our maintenance and "Deep Finish" teams provide specialized care, from gutter restoration and roof cleaning to driveway jet washing and protective sealing. At Beast Construction, we transfor

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  • We are a reliable bricklaying service delivering high-quality workmanship for residential and commercial projects. From new builds to repairs and extensions, we take pride in precision, durability, and attention to detail. Our goal is to provide strong, long-lasting results you can trust—on time and on budget.

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  • Bricklayer main trade /general building work I undertake all types of brickwork I have worked on site ,done heritage work ,extensions maintenance brickwork and stone work and renovation work .all aspects of re pointing use of lime products and natural cement. install steel's timber work to include stud partitions joist work roof joist .chimney stack repairs and removal. I can do other general building work concreting ,guttering roofing . Patios all types and landscaping works

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  • We are JVG London Ltd a specialist team providing high performance building solutions and interior finishes throughout London and the surrounding areas. We provide expert installation of external and internal wall insulation systems that maximize thermal efficiency and protect your property. By utilizing advanced silicone rendering and professional plastering techniques we ensure every project achieves a durable and weather resistant finish. We are dedicated to craftsmanship and technical precision helping homeowners and businesses create energy efficient environments. Every installation is handled by our experienced specialists who prioritize structural integrity and a mirror smooth aesthetic. Through our commitment to transparent service and quality materials we maintain a reputation for excellence in the trade industry.

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  • Unique Space Homes (London) Ltd specialises in extensions, full refurbishments and loft conversions, delivering a complete turnkey finish. We handle everything in-house — plumbing, electrics, tiling, kitchen fitting and all finishing trades, so homeowners have one point of contact from start to completion. With over 35 years’ experience, we focus on quality craftsmanship, clear communication and delivering an stress-free, high-standard result every time.

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  • Hi im building contractor , Full renovation and decoration

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  • •Here at Teeside building services, we pride ourselves on the highest level of professionalism and excellence in our jobs. •We guarantee all of our work •built to precision •built to last •garden walls •repointing •repairs •new/self builds •knock downs •conversions •call for a free quote get the highest standard of craftsmanship today

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  • If you’re planning any brickwork, stonework, or general building projects, we’d be happy to help. Based in Gateshead, we proudly cover the entire North East. Services we provide: • Brickwork • Stonework • Extensions • New builds • Alterations (windows & doors) • Knock-throughs (RSJ & lintel replacements) • Garden walls • Grinding & repointing • Lime pointing • Fencing • Concreting, foundations & more Facebook cjb brickwork CJB Brickwork — Quality. Reliability. Craftsmanship. That’s the CJB Brickwork promise

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  • Professional Construction Services in Southampton. At ADR Construction, we provide high-quality construction services for both commercial and residential clients. With 20years of industry experience, we ensure excellent workmanship, reliability, and attention to detail. Our Services: ✔ kitchens ✔1st and 2nd fix carpentry ✔patio’s ✔bathrooms ✔ Plastering and drywall jointing ✔ Drywall installation and partitioning ✔ Suspended and flat ceilings ✔ Flooring installation ✔ New Builds & General Construction ✔ Loft conversions and extensions ✔ Garage conversions ✔ Interior refurbishments and modernizations ✔ Demolition and structural work ✅ Free Quote 📍 Based in Southampton, serving surrounding areas We guarantee top-quality results, on-time project completion, and full customer satisfaction. Whether you need a minor upgrade or a large-scale construction project, we are here to help! 📞 Contact us today to discuss your project

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  • Based in Epsom, we are an architect-led company offering a complete service from planning permission through to construction. The director is an architect and we act as main contractors specialising in extensions and loft conversions.

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  • Hi My name is Tom, I am a property developer situated in the Northern part of the Cotswolds. I have built my own places from scratch, sold them on, before taking on the next projects In between times, I will take on other work. Particularly enjoy dry stone walling and other stonemasonry. I pretty much turn my hand to most things though as you would probably expect when doing your own projects I can take on work in the Peak District too, as I have another base there Happy to have a look at any projects you need doing and I’m very flexible with my time 😊

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  • 15 years of experience on building projects,a dedicated site manager where the quality is more important than quality .Trying to build up my own business.

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  • My business is based on recommendation. I have been in the building industry for over 30 years and I take pride in my work. I like to keep a clean and tidy work area and always have the upmost respect for customer’s property . I can turn my hand to many trades, but if need to have very good contacts in all fields, who all come highly recommended .

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  • An award winning company providing all aspects of construction, renovation & maintenance. Serving domestic & commercial customers around Glasgow

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  • I’ve been a qualified carpenter for 23 years. I set up my Ltd company 5 years ago having worked across many different sites for several different companies. I have experience in smaller jobs like fitting doors/ kitchens to large jobs like extensions and loft conversions. I’ve worked with multiple trades so I understand how jobs should run and I also have several useful contacts. I cover most of west Dorset, from Swanage to Fordingbridge. I pride myself on my personable and approachable nature and my eye for detail.

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4.4

Top rated Extension Builders

Our Extension Builders, are rated 4.4 out of 5 based on 290 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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