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Find Local Extension Builders Near Me

Get everything you need to know about finding a house extension builder. Get a quote for single or double floor, rear, side and return extensions. Below, we cover tips to help you find a local extension builder:

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Take a look at our House Extension specialists profiles, read reviews and request quotes directly.

How to find a reliable, local extension builder

A house extension can transform your property, adding a lot of living space and value to your home. Whether you need a new bathroom or want to expand your kitchen, a home extension may well be the home improvement solution for you.

To make sure that building work goes as smoothly as possible, we recommend you hire a local building service with enough expertise to carry out a high quality job.

What can a house extension builder help you with?

A house extension is a great solution for homeowners who need more space, but don’t want to move. They add a lot of value to your property, helping you make the most of your spaces by allowing you to reorganise the layout of your home.

A house extension specialist can help with:

  • Single storey extensions
  • Double storey extensions
  • Side extensions
  • Rear extensions
  • Wrap-around extensions
  • Garden rooms
  • Basement extensions

Other space-adding improvements include installing a conservatory, a garage conversion or a loft conversion.

Rear and single storey extensions tend to be smaller and less expensive to install, whilst wrap-around and double-extensions offer more space but cost more to build. Not sure what type of extension would be best for your home? Read our 2023 extension cost guide for more details about the different extension types, or speak to a skilled extension builder today to get some advice and a free quote.

Find an extension builder

Picture of a brickwork side extension with large windows and skylight

Factors to consider when choosing an extension builder

It’s really important that you choose a reliable extension builder company to carry out work on your home. Failing to do this can result in stress and expensive repairs. 

Before you hire, you should do your research to ensure that your builders:

  1. Are an experienced company with a strong history of successful projects
  2. Have all the necessary licenses and insurance needed to protect you and their workers
  3. Have a good range of positive reviews from previous customers vouching for their reliability
  4. Are available to carry out the work in the timeframe you need it by
  5. Are quoting a price and payment option that you are happy with, having compared the quote with other local extension companies

A local extension contractor is more likely to respond quickly, as they’ll be right around the corner and ready to help.

Post a job today to find a reliable, local extension builder.

Find an extension builder

How much does it cost to hire an extension builder?

Illustration of a man with a beard surrounded by different extension types, each labelled with costs to install

How much you’ll end up spending on your house extension project depends on a range of factors, including the type of home extension and its size, and where you live in the UK.

On average, you could spend anywhere between £45,000 and £160,000 on a house extension. Buying a prefab is a cheaper solution, ranging from around £45,000 – £55,000, whilst wrap-around and basement extensions are on the upper bracket range, costing upwards of £60,000.

Read our 2023 extension cost guide for the full list of costs, as well as more information about the different extension types available, and money saving tips. Or, for a more accurate quote for your specific project, speak to an extension building service today.

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What planning permission do you need for an extension?

Whether or not your extension project will require planning permission depends on whether it falls under permitted development (PD) rights. If you want to go beyond these rights, such as by building an extension that’s bigger than 50% of the total land area around the original house, you’ll have to apply for permission before building works can begin.

Most planning permission applications take between 8 and 12 weeks, so make sure you factor this into your project timeline.

For more information, read our planning permission guide or visit the Planning Portal website.

Picture of a modern second storey house extension with large window that has a black frame

Questions to ask a local extension builder before you hire

Whether you want a kitchen extension or a new bedroom with an ensuite, we recommend you ask the following questions before you hire a building service:

Do you have public liability insurance and what does this cover?

While it’s not a requirement for them to have it, it’s a good idea for your extension builders to have public liability insurance to cover you and them against any accidental damage done to your home or personal injuries. Make sure to always ask your builder what insurance they have before you hire them. This will guarantee protection for both parties and ensure your builder is legally compliant.

How many years of experience do you have?

Knowing how many years of experience your extension builder has will allow you to pick a tradesperson who you are confident has enough experience to carry out a high quality job. When you’re finding a builder through Rated People, head over to their profile to check out the pictures on their work gallery and their ratings and reviews.

Do you use subcontractors? If so, are they licensed and insured?

If your extension builder is planning on using subcontractors, then it’s a good idea to confirm the qualifications and insurance coverage of everyone who will be working on the project. Your builders will almost definitely be using a team of specialists, including plumbers, heating engineers and electricians. Anyone working with gas needs to be registered with Gas Safe, and anyone installing electrics (in England and Wales) needs to be Part P certified to be able to self-certify their work. These tradespeople will have valid documentation that you can ask to check.

What is your estimated timeline for completing the project?

Knowing what the estimated timeline is for completing the project  will help you set realistic expectations about how long your extension will take to complete.

How much will the job cost?

Asking how much the job will cost will help you budget for your project and will ensure price transparency before you hire. How much you’ll end up spending depends on the scope of your project, and where you live in the UK, so make sure you add plenty of details when you post a job.

Picture of a side extension with a tiled, slanted roof and plants around the side

Tips for working with a local extension builder

  1. Be crystal clear about what you want and how much you’re willing to spend. Clear communication is key to ensuring you and your extension builder are on the same page about your project’s requirements and your budget constraints
  2. Stay in the loop and ask for updates as the project unfolds. This will allow you to address any potential issues before they escalate
  3. Make sure you document agreements or changes to the original plan. Keeping a written record of all modifications to your project, including timelines and costs, will serve as a valuable reference point to prevent misunderstandings and ensure work is carried out to a high standard
  4. If you have any concerns, talk to your extension contractor straight away. Open discussion is more likely to lead to a swift resolution, and will help you maintain a positive working relationship with your builders

Find an extension builder

Wolverhampton based building company offering building & renovation services. We specialise in extensions, garage conversions and complete house renovations. All quotes are offered free of charge without obligation. Quotes can be undertaken on an evening or at a weekend at your convenience. We can also arrange architectural services, structural engineer calculations and building notices. All works completed come with a 10 year workmanship guarantee and we can also arrange for all works to come with an insurance backed warranty.

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Reviewed by Tracey on 5/4/2024

With over 25 years experience designing and building Conservatories,Extensions, new light weight solid roofs , Orangeries , Aluminium and Upvc Windows and Doors Dansam Project Consultancy limited is a name you can trust. Read our reviews on here on trust a trader my builder and google to see what other people have to say about our work. from start to finish your project is our number one priority. with all building and planning issues dealt with for you if you require them we can offer a first class service second to none from start to finish you will be glad you chose us

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Reviewed by Edoardo on 11/10/2023

Steve and his team did an amazing job on our property. From day one is always being clear , with job and prices , very professional Steve and his team did a rear house extension for me , I am very happy with the results, I can definitely recommend and always keep in consideration for future jobs .

With over 40 years’ experience within the construction industry, we are a small family business with customer satisfaction at its core. With all our tradesmen being time served professionals, we pride ourselves in providing a first class service. We excel in developing solutions and producing quality workmanship to enhance the look, feel and value of your home. We specialise in extensions of all sizes and varied designs, loft conversions, orangeries and bespoke house builds. In addition, and if required, we also offer a Design and Planning Service. We have numerous examples of our work in and around the North West which past clients are happy to allow you to see. They will also be delighted to discuss with you their experiences of D & M Construction. Some of our work can be seen in the images below. We are always punctual, polite, clean and tidy and respectful of our clients' property and possessions. This applies to both the internal and external space. The majority of our assignments involve working around our clients' individual needs, which include continuity of general household services such as water, gas and electricity in key areas ie kitchens and bathrooms, as the build progresses. We are always happy to discuss requirements and to explore with you the possibilities of improving the look and value of your home. We look forward to being of service!

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Reviewed by Tom on 2/3/2024

We used DM construction for a 2 storey extension. Dave was absolutely brilliant. He managed the project from start to finish, gave us really good advice, built everything to a really high standard, and won't rip you off. I will definitely be giving him a call for my next project! Great attention to detail, and knows loads of good people who can do any job on your building project. He put us in touch with plumbers, tilers, roofers, renderers and joiners and they have all been great. Transformed our house.

Welcome to PRC & Sons Builders, a family-run company dedicated to quality craftsmanship and customer satisfaction. With a proud history since 2005, we prioritize excellence in every project, regardless of budget or size. Our comprehensive services span painting & decorating, kitchens, bathrooms, plastering, rendering, fencing, roofing, brickwork, paving, landscape gardening, loft and garage conversions, full refurbishments, extensions, new builds, plumbing and heating, electrical installation, and much more. At PRC & Sons Builders, we understand the importance of your home and investment. Our commitment to delivering top-notch results sets us apart, ensuring your project is in capable hands. Trust us to turn your vision into reality with skill, care, and a personal touch.

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Reviewed by Lucie on 10/2/2024

Paul was available very quickly and kept to the schedule as promised. The work was completed within than the given timeframe at the quoted price. He was polite and friendly and able to offer suggestions when unexpected situations arose and able to adapt to them accordingly.

Previously known by E.Z.P.Z. Construction Ltd. This company was founded in 2022 and was named after my late father and my newborn son. With over (now) 15 years experience, I started work with my father as well as working for other firms. The content you see on my page are all from current or previous projects.

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Reviewed by David on 24/8/2023

Excellent workmanship on both the fence and the patio. The team were very prompt and gave a competitive quote and helpfully sources materials and guided our choices. Very pleased to have chosen them and we would definitely have the back for further work. We'd recommend them.

DESIGN BUILD CONSTRUCTION AND MAINTENANCE

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Reviewed by MB on 3/12/2023

Tony and his team just completed a small kitchen extension which transformed our house. Our cramped dark kitchen is now an airy welcoming space. We had worked with architects and put out to competitive tender. Tony’s price was fair, clear and he was clearly interested in the project. He kept to his price, regardless of the various twists and turns that we encountered in the 13 week build. The craftsmanship of his team is top class - from foundations to finishing they were thorough and precise.

Marshall's Property Solutions are a friendly company with many skilled tradesmen that can cover a wide range of services from property maintenance to extensions and conversions. Our reputation is built on recommendation.

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Reviewed by Adam on 30/1/2023

ACL GP Ltd provides a complete building, maintenance & construction service to an extremely high standard by our qualified tradesmen and currently hold the position of reactive maintenance contractor for Rochford District Council.

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Reviewed by David on 27/9/2023

ACL were a pleasure to work with. We are absolutely delighted with the build and finish. It was a substantial project renovating and changing the layout throughout the whole house as as well as a sizeable rear extension. Doug project managed the build, his professionalism, communication and understanding throughout the build was exceptional. Issues that arose (not of ACL's making) throughout the 6 month project were dealt with swiftly and effectively with clear communication on options and cost.

As a building company with years of experience and numbers of great feedbacks, we can run any kind of project like full kitchens/bathrooms renovations , lofts/garages conversion, extensions garden rooms/offices etc. As a team, we work very efficient and we running only one project at a time to make sure we focus and keep time frames. With great work ethic we value our customer satisfaction over the profit. We offer free consultation during the project and with great communication skills, we guarantee to manage it on all the way through to the customer satisfaction.

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Reviewed by Daniel on 10/7/2023

I don't recommend anyone to use Concept & Constructions. They've wasted my time & been disrespectful. I met several builders and chose C&C (telling other builders they'd not been chosen). C&C visited for a 2nd time. We agreed additional work and a start date a week later. I laid all agreements out in an email for clarity. But next day I got a one line email saying they wouldn't do the job. They won't take my calls or reply to emails. I'm left with no builder and no explanation. 2 months wasted. Not happy.

JD Building is a well established building company operating in Bath,Bristol and surrounding area's.We have nearly 30 years of experience within the Building industry offering competitive rates and fixed programme of works completed on time.

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Reviewed by Andrew on 30/3/2024

Duncan and team completed a double extension, interior remodelling and modernisation and ground works for new patio and driveway. This is a great team to have on your project. Everything finished to a good standard, problems solved where they arise and advice offered on finishes, such as patio slabs, fixtures and fittings. Overall they’ve done a great job and I would highly recommend.

Welcome to our page, here at A.R.C construction Kent Ltd, we provide skilled tradesmen in all areas of the construction industry for your home or business. We can project manage your new build / extension or refurb. We take pride and care in all our jobs from start to finish, no job too small. We are a family run business with over 24 years experience in the industry. Customer satisfaction and transparency is at the centre of everything we do, we understand you either want to increase the value or space of your property and we know you want an experienced, professional company that you can trust to deliver your project on time and to budget. Working close with our clients we achieve great results on their project, every job gets a free survey. We appreciate cost isn’t the only deciding factor which is why we provide a detailed quotation so you can see exactly where your money has been allocated. We are transparent and we are always willing to help you achieve your vision within your allocated budget.

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Reviewed by Nigel on 22/2/2024

Nathan and his team did an outstanding job. We didn’t have drawings and they worked with us to design and build the rear extension and the result is more than we could have imagined. They also took care of all the liaising with building regs for us, which enabled good communication and prompt visits, and the work was certified. They are a family team and work to high standards. They have excellent environment values with their approach to insulation and building waste. We would definitely use them again.

2Rok Cons Ltd: 2Rok Cons Ltd is a dynamic and experienced team committed to providing excellence in general building and construction services. We offer lateral thinking and innovative solutions to address unique challenges in the construction industry. Our pride lies in our meticulous attention to detail, ensuring the highest quality in every project we undertake. Our services include: Extensions New Builds Loft Conversions Refurbishment (Kitchens and Bathrooms) Plumbing (Gas Safe Certification) Electrical Work: Our certified electricians handle electrical work with precision and expertise. Our Commitment: Liability Insurance: Rest easy with our liability insurance, ensuring peace of mind for our clients. Over 25 Years of Experience: With more than 25 years of experience working across Europe, we bring a wealth of knowledge and adaptability to every project we undertake.

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Reviewed by Jessie on 29/2/2024

2Roks cons Ltd are an absolute dream team! They were professional and efficient from start to finish, a delight to have in our home. We are delighted with our new en suite and would recommend them to anyone. Thank you both.

I have been in the construction industry for over twenty years self employed and before that employed by others. I pride myself in giving good solid advice as well as producing a quality job which I’m proud of and that the customer expects. I am a Dulux Select Accredited Decorator and all work is guarenteed by Dulux for two years. I have Public Liability Insurance to the Value of £5m. I have been a Decorator since 1999 and take a pride in my work and take customers requirements very serious and aim to give them the benifit of many years experience. Plus as part of my business i employ a range of other skills including electrician plumber, roofers and builders etc.

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Reviewed by Barbara on 7/11/2023

Great communication from this trader from star to the end of the job. Even it wasn't Ivan completed job in person, he kept me informed and checked during the day if everything was all right. Plesent to discuss and negotiate. Many thanks!

Maunders Building Solutions & Flooring Specialists have been established for over 30 years. We are a friendly and reliable company who have carried out hundreds of contracts, both domestic and commercial. As a company we are committed to quality assurance wherever we go.

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Reviewed by David on 16/3/2024

Absolutely brilliant job! Very professional, attended and gave a no obligation quote, start work straight away! I will 100% be using again!!

We offer high quality building work all jobs ar fully insurance electric and plumbing coming with certificate jobs available for have look to understand how we work we always leave customers happy

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Reviewed by Tot on 11/3/2024

Victor and his team did a great job with fitting the electrics in the kitchen and plasterboarding the kitchen. They left the place clean and was reasonable with the price. I will certainly use them again.

"From Tidy-Ups to Transformations" - Building and Landscaping that lasts the test of time **One of our teams has just completed the YOTEL Edinburgh design and build project on Queen Street which you can go to observe for yourself. To be trusted by large commercial corporations and deliver a high standard of work in a time sensitive manner, we will surely be able to deliver a project you will be satisfied with! With over 30 years of landscaping and building experience enjoyed throughout the company, you no longer have to compromise quality. Be the envy of your neighbours and call the reputable company to get it done right the first time. We offer a full design and build landscaping function as well as a subscription service on fortnightly (or monthly) garden tidy maintenance as well. Not only can we transform your space, but keep it looking new year round! With highly skilled staff and constant support a text away, we are here to make your service experience as pleasureable as your new extension, patio, driveway, or fence is going to look.

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Reviewed by June on 11/11/2023

Came to give us a quote but never got back to us very disappointed. I did see another rating that said the same so not reliable company.

Hello I am Rilind, the proud owner of FF Construction Ltd, A little about us With many happy and returning customers over the last 10 years, you can be sure of being well looked after. Our aim is to provide a stress free project, delivered in a manner that I am confident will exceed your expectations. I work with a small team of trusted colleagues, who communicate and work together well. Our customers often comment that every colleague they interact with is approachable and cheerful; we find that promoting a positive attitude always helps projects run smoothly with good communication throughout. 10 year guarantees are included as standard on all completed structural work. Main work we undertake But are not limited to Agricultural Building Basement / Cellar Conversions Brick / Concrete Structural Repairs Building Merchants Car Ports Cladding Concrete Garages Concreting Core Drilling Demolition Diamond Drilling Emergency Builder Service Equestrian Stable Extensions / Conversions Fire and Flood Renovation Foundations Garage Conversions Garden Studios General Building Green Oak Framing Loft Conversions Mastic Sealant New Builds Partition Walls Period Property Restoration Project Management Refurbishments Repair and Listed Building Specialist Steel Fabrication Steel Work Design Stretched Ceilings Structural Design Structural Steels Suspended Ceilings Sustainable Construction Tree Houses Wall Tie Replacements Workshop Design / Construction Availability We are available during working hours, Monday to Friday. Outside of those hours you are welcome to contact us via email or request a call back. If for any reason you are unable to contact us on the phone, you are welcome to send an initial query via email where one of our team can reply right back. Thank you for taking the time to consider our company’s profile, I look forward to hearing from you. FF Construction Ltd

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Reviewed by Sarah on 31/8/2023

We were really impressed with Rilind and his team. His pricing was competitive, he was very reliable and worked flat-out to finish the job on schedule. We are so happy with our extension and we'd definitely use him again for any building work.

We are a small family run company, trading for over 25 years meaning we have lots of experience throughout all the building trade… you don’t ever need to worry that your job is too big or small! We take pride in each and every one of our job to ensure all customers are happy with the standard of service. At generation building we offer free, fast and competitively priced quotes.

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Reviewed by Sarah on 24/2/2024

My experience of a kitchen window enlargement wasn’t good. Fair enough Kieron had a lot of health issues which meant the two-week job took over two months but the finish wasn't good and I was left with quite a few problems.

Whether for commercial or domestic projects, we provide a friendly and professional service that includes all aspects of design, planning, construction, building repair and maintenance. With extensive experience in the construction industry, our team of fully qualified tradesmen guarantees a high standard of workmanship. We are completely committed to every project we undertake and all are properly managed to keep writhing budget and in schedule. We are punctual, reliable, tidy and and the good relationships we build with customers means a high level of repeat business and recommendations. Facebook & Instagram unico develop

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Reviewed by Paul on 3/11/2022

Too Inexperienced

Chambers Construction is a family run a complete building service based in Worcestershire.We specialise in new builds, extensions,conversions and complete refurbishment throughout to suit all your building needs. All our tradesmen are fully qualified and experienced to achieve the highest standards whatever your demands. We pride ourselves on our exceptionally high standard of finish and work with our customers to ensure their build is as stress free and enjoyable as possible.

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Reviewed by Day on 1/11/2015

Excellent job, Sam and his team worked efficiently and tidied up nicely at the end of each day. Would have no problems with recomending Chambers Construction to others.

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