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

25440 Results

Sort by:

  • I normally undertake anything from extensions to flagging jobs or fencing

    Get in touch
  • Family-run building company with over 25 years of hands-on experience 🏡🔨 We take pride in delivering high-quality workmanship, honest advice, and reliable service you can trust. From small repairs to full renovations, every project is treated with the same care and attention to detail. ✔️ Roofing & repairs ✔️ Extensions & renovations ✔️ General building work ✔️ Lanscaping Built on reputation. Driven by quality.

    Get in touch
  • We provide a complete range of professional building and property maintenance services, from start to finish. Our experienced and reliable team is committed to delivering high-quality workmanship, excellent customer service and competitive prices. Our services include: * General building and construction * House extensions and renovations * Bricklaying and blockwork * Foundations and groundworks * Plastering and rendering * Painting and decorating * Tiling and flooring * Kitchen and bathroom fitting * Plumbing and electrical work * Carpentry and joinery * Roofing and guttering * Doors and window installation * Fencing, decking and garden improvements * Property repairs and maintenance * Refurbishments and finishing work Whether you need a small repair, a full house renovation or a complete building project, we can help. We work with a professional team of tradespeople to manage projects efficiently, from the initial preparation to the final finishing touches. One team, a complete building service, from start to finish. We take pride in our work and aim to make every project as smooth and stress-free as possible.

    Get in touch
  • Welcome to DYLUXE. We are a professional building and property improvement company serving Southampton and the surrounding areas within a 25-mile radius. We specialise in building construction, renovations, plastering, carpentry, bathrooms, kitchens, roofing, tiling, flooring, painting, landscaping, extensions and general maintenance. Our aim is simple: to deliver high-quality workmanship, reliable service and attention to detail on every project. Whether it’s a small repair, a home improvement project, a complete renovation or a full property transformation, we are here to help. We work closely with every customer to understand their vision, provide honest advice and deliver a professional finish from start to completion. We take pride in our work and believe that quality, reliability and customer satisfaction should come as standard. ? Based in Southampton — covering Southampton and up to 25 miles surrounding areas. Your Vision. Our Expertise. Your Home, Transformed. — DYLUXE

    Get in touch
  • We are specialist in building home extensions using any form of material you choose, traditional brick and block to cedar cladding to random stone walling. Installing all the best in windows, doors, bi folds, roof lights etc. We can offer the whole package from design with the architect, full project management and the build from the first bucket in the ground to handing the keys over ready for you to move in. We have an expanding client base with excellent references.

    Get in touch
  • Extensions Loft conversion Refurbishment bathrooms renovation kitchens Electric&Plumbing 18 years experience all work will be done with guarantee my company name is Lsbainsconstructionltd the one you saw on my profile its old one and unregistered i m trying to change it hope i will change it asap

    Get in touch
  • With over 15 years experience on the trade and with on going projects to express the quality of work we carrying on every single project with a very friendly and respectful team we are specialist in the following: New Build, Extension, Loft Conversion, House Renovation

    Get in touch
  • •carpenter •kitchen •plumbing •electric •paint and decoration •roof

    Get in touch
  • I’m in construction industry 20 years Want to grow a business with my knowledge and expertise in construction industry

    Get in touch
  • Zaman ArchiHomes Ltd is a CIAT Chartered Architectural practice providing design and project management services for residential and commercial projects across the UK. We help clients develop their ideas into practical, well-considered designs, from extensions and conversions to new homes and commercial spaces. Our services include measured surveys, planning drawings and applications, building regulations drawings, and support through the construction process. We provide a clear, responsive service tailored to each project.

    Get in touch
  • Hi we are local based company that specialises in knock throughs/chimney stack removal driveways and groundworks ie. Drainage footings block work etc.

    Get in touch
  • 🏗️ AH Reliant Energy Ltd – Quality You Can Trust At AH Reliant Energy Ltd, we bring quality workmanship, reliable service, and professional project management to every job. From home improvements and building renovations to plumbing, heating, insulation, and energy efficiency upgrades, we deliver solutions tailored to our customers’ needs. Our experienced team is committed to completing every project to a high standard, with a strong focus on attention to detail, customer satisfaction, and value for money. Our Services Include: • 🏠 Building Work & Property Renovations • 🔨 Extensions & Home Improvements • 🚿 Plumbing & Heating • ♨️ Boiler Installations & Upgrades • 🌡️ Insulation & Energy Efficiency Improvements • 💨 Ventilation Upgrades • ⚡ Electrical Services • 🏢 Property Maintenance & Refurbishment • 📋 Retrofit & Property Compliance Solutions Why Choose AH Reliant Energy Ltd? ✅ Professional and reliable service ✅ Quality workmanship and attention to detail ✅ Competitive and transparent pricing ✅ Customer-focused approach ✅ Experienced project coordination ✅ Solutions tailored to your property and budget Whether you need a small home improvement or a complete property upgrade, we aim to make the process straightforward, stress-free, and cost-effective. AH Reliant Energy Ltd — Reliable Solutions. Quality Workmanship. Lasting Results.

    Get in touch
  • Welcome to The Nova Interiors Ltd We are a London-based interior design, painting, decorating and property refurbishment company, bringing over 25 years of experience in architecture, construction and interior design. We specialise in residential and commercial projects, delivering high-quality workmanship with attention to detail, reliability and professionalism. Our services include: Interior and exterior painting & decorating Wallpaper hanging and wall preparation Plaster repairs, filling and finishing Floor and wall tiling Kitchen and bathroom improvements General property maintenance and repairs Commercial shop and office refurbishments Interior design and bespoke joinery extension application to council Designing and drawings/ planning your needs From small decorating jobs to complete property refurbishments, we approach every project with the same care and commitment. We pride ourselves on clear communication, honest pricing, tidy workmanship and completing projects to a high standard. No job is too small. Contact The Nova Interiors Ltd for a friendly discussion and a free, no-obligation quotation.

    Get in touch
  • Hire us for Excellent work in good price

    Get in touch
  • Simon Wrigley Total Building Solutions is a trusted building company created in 2019, but with over 20 years experience in the building trade. We cover all aspects of building work, from small jobs such as garden walls, to project management of full builds, extensions and conversions. Specialising in brickwork, patios, block paving and extensions. For a free, no-obligation quote, please get in touch.

    Get in touch
  • Charmley Construction is an experienced building contractor specialising in home extensions, loft conversions and property renovations. We pride ourselves on delivering high-quality workmanship, clear communication and a reliable, professional service from the initial stages through to completion. We work closely with our clients to bring their plans to life and deliver a finished project they can be proud of.

    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