Extension Builders in Waterloo

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.1 (18 reviews)

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Some of our top rated extension builders in Waterloo

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Rayan and Kevin brickwork
Rating: 4 out of 5
Extension Builder in Waterloo
We do extensions , lofts conversions , roofing . gardening, rendering.and much more we have more than 20 years experience .
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Latest review:
Bricklaying- 25 Aug 2024
AVOID. Ernie incorrectly installed my drains under my house which has caused awful smells and sewage to leak under my house causing long term damage to my foundations Three professional drainage company’s have put a camera to see a Dropped pipe from new to old house. They have identified a connection that was never appropriate. Unfortunately, Ernie after being given many opportunities does not accept any responsibility. He is not an expert at all trades so be careful. I’ve asked him to help put right by exposing the floor which has Underfloor Heating. This has now cost me tens of £000s. My fault for not using a professional team at the beginning of my project.
Best London Lofts
Rating: 5 out of 5
Extension Builder in Waterloo
At Best London Lofts Ltd., we believe that your project should be kept as simple and straightforward as possible, regardless of how complex the task may seem. We have over 10 years combined experience between us in building loft conversions, garages, extensions, roofing and general building.
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Latest review:
Loft Conversion- 4 May 2025
Great service provided by this company, top quality work!! Highly recommended!
brs contractors ltd
Rating: 4.9 out of 5
Extension Builder in Waterloo
We are very friendly and dedicated on what we do, our prices are very competitive, contact us for the quote. .
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Latest review:
Handyman- 13 Sep 2021
Reliable and on time, would definitely recommend.
3D Building Home LTD
No reviews yet
Extension Builder in Waterloo
3D building home is a family run building and construction business operating in London and the surrounding areas. The company initially focused on high quality decorative works we have evolved a great deal since then. We aspire to provide a quality stress free service, working together with you, architects and structural specialists to bring together your envisioned dream home.
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Dizzain Ltd
Rating: 5 out of 5
Extension Builder in Waterloo
The multi trader with excellent skills and consistently good in work performance. If you need help with your house project, such as internal structural changes, rear extensions, loft conversions or any other house structural issues, please don't hesitate to contact. Happy to help and discuss suitable solutions regarding structural design, and to comply with building regulations. A fair and good fees.
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Latest review:
We used Andrius recently and were very happy with the service. Inspected our house and spent a lot of time discussing everything in detail. He completed the drawings very quick and communication was good. Good value for money. He even helped amending something later on as needed. Thank you!
property hospital
Rating: 3.7 out of 5
Extension Builder in Waterloo
Hope all is well. Property Hospital London is a property maintenance and refurbishment company. We understand the importance of communicating, time keeping and executing jobs at hand. Over the years we have evolved to give a hands off approach and take the stress away from day to day maintenance work.
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Latest review:
Tiling- 1 Oct 2022
Highly recommended, will use again. Very professional, reliable and knowledgeable. He was very reasonably priced and flexible. Super happy.
Tosum Sardeshi
No reviews yet
Extension Builder in Waterloo
I a director of my own limited company that have been working in the building industry since 2004. I have studied carpentry and joinery and hold a city and guild certificates for three different levels. I am trained as a SMSTS for almost 15 years, temporary coordinator, PASMA, first aider, working at hight etc. I have worked on different project with big and small Fromm £ k to £1 million runing day to day project with all tasks risks, method of works and all work regulations. Reding all different drawings and applying this on site. I also worked on tools like a carpenter, rsj installer, ground work like underpinning, slabs, first and second fix all sort of carpentry and handy man. Partiion, door installation, roof work, roof dormers, lofts, kitchen installation,floor installation, skirting etc. I have an humongous knowledge and experience on most of building work on general, Any work is good for me big or small.
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Adamus and Contractors Limited
No reviews yet
Extension Builder in Waterloo
Adamus & Contractors Limited We’re a friendly, hands-on building company with 10+ years’ experience, specialising in refurbishments, loft conversions and extensions. Whether you’re opening up a space, extending your home, or bringing an older property back to life, we handle everything from start to finish. We’ve got an in-house architect and interior designer, so we can take care of the planning, design and build all under one roof — making the whole process a lot easier for you. From steels and structural work right through to the final finishes, we use a solid team of trusted trades and take pride in doing things properly. We’re used to working in people’s homes, so we keep things tidy, organised and running smoothly. We keep it simple: clear quotes, honest advice, and no surprises. If anything changes along the way, we’ll talk it through with you first. You bring the vision. We bring the standards. At the end of the day, we just focus on doing a proper job and leaving you with a space you’re genuinely happy with.
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Step-Up Contractors
Rating: 5 out of 5
Extension Builder in Waterloo
Step Up Contractors Ltd with over 20 years of construction experience. We are a family owned business and have been responsible for successfully completing a variety of construction projects covering a wide spectrum of expertee uses. Completed on time, to satisfaction, on budget. We take care of all your construction needs, from design, to handing over keys to your new home. No job too small, from a leaking tap, bathroom install to a double story extension. Free no obligation quotes!
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Latest review:
Bathroom Fitting- 14 Aug 2021
I would definitely recommend Step-Up Contractors - they have done a really fantastic and great quality job of refurbishing our bathroom and ensuite shower room. They were very professional, friendly and communicated really well with us throughout the whole process. They tidied up every evening before they left and were very considerate. They did such a good job that we have asked them to come back soon to complete kitchen flooring work for us!
HOME DESIGN 4 YOU LTD
Rating: 4.8 out of 5
Extension Builder in Waterloo
Working closely with our clients, Home Design 4 You provides a Single Point One-Stop, Innovative Architectural, Creative Interior - Bespoke Design, 3D Visualisation, Project management and Design & Build services for all types of residential development and Home Improvement projects.
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Latest review:
Extensions- 19 Jun 2016
Neno is a very warm-hearted and genuine person. He gives his 100% to the job. He is also very prompt when it comes to communication and is always available by phone/text/email. He has a vast experience and good technical know-how and produced excellent plans and drawings. His quotes were very reasonable and offer excellent value for your hard earned money. Having been his client, I am genuinely inclined to believe he is a person who would never "rip off" his clients. He is a man of his word and does what he says. However, Neno's honesty and confidence can be a bit blunt at times. He can be quite “direct” with his opinions and this may rub off some people the wrong way, e.g. your local Council Planning officer may be an a**hole, but if you "confront" him, he will definitely not make things any easier for you- nevertheless, Neno dealt with all the Council red tape and followed up the Planning Permission Application to its conclusion. We finally got permission for extending the property much less than what we had expected initially- apparently our local Council (Hillingdon) has its own set of Draconian conservative rules that we were unaware of- but we have postponed the actual project work due to a recent change in personal circumstances. Summary: Based on my personal experience, I would DEFINITELY RECOMMEND Neno as a bona fide Tradesman on MyBuilder.com.
Joni building services
Rating: 5 out of 5
Extension Builder in Waterloo
We are family run with over decade of experience on businesses we do full bathroom refurbishment full house refurbishment , repairs , maintenance,etc
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Latest review:
Bathroom Fitting- 2 Mar 2026
I can’t recommend him highly enough, in just three days, he identified and resolved my bathroom leak that could easily have become a much bigger issue. He took the time to thoroughly investigate where the water was coming from, clearly explained his findings and advised on the most sensible next steps before carrying out the work. From start to finish, his work ethic was exceptional. He arrived promptly at 8am every day and worked through until 6:00pm without a single complaint, no matter how demanding or time-consuming the job became. His efficiency was impressive but what stood out even more was the quality of the finish - the bathroom now looks brand new again. Professional, hardworking and meticulous in his standards, he delivered outstanding results in a very short timeframe. I wouldn’t hesitate to use him again or recommend him to anyone needing reliable, high-quality building work
D&E Smart Building Solutions Ltd
Rating: 5 out of 5
Extension Builder in Waterloo
Loft conversion. New or refurbished extension. All Carpentry work. New decking or refurbished. Brick walls front of the house, or new building. New or refurbished bathroom, Tilse, Garden, Kitchen, Wood floor, Plumbing with certificate, Electrical with certificate, and much, much more..
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Latest review:
Bathroom Fitting- 7 Mar 2022
Daniel was great and we were impressed by the level of care and detail in his work. Would use him again and recommend to friends.
Blueprint Builder UK
Rating: 4.7 out of 5
Extension Builder in Waterloo
I’m a local builder with over 25 years of experience, specialising in high-quality brickwork and home extensions. From start to finish, I take pride in delivering reliable, professional service and strong attention to detail. Whether it’s a full extension, garden wall, or any kind of brickwork, every project is completed to the highest standard. Customer satisfaction and honest workmanship are at the heart of what I do.
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Latest review:
Conversions - General- 3 Apr 2026
Where do I start. I’ve had more communication with Stuart in the last few months than I have had with anyone else. Our house has rare coloured bricks and I was absolutely shocked that Stuart managed to match the bricks perfectly. Stuart completed the work to such a high standard, we have arranged for him to come back to complete the inside of the extension also. Stuart quoted a really good price, turning up on time everyday. Honestly couldn’t recommend him enough and we will be using Stuart for all future work we intend to have done.
T C Construction Ltd
Rating: 5 out of 5
Extension Builder in Waterloo
TC CONSTRUCTION is a company build on a new generation of builder's with new ideas and construction systems to provide a hight quality job's for the customers.
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Latest review:
Kitchen Fitting- 22 Mar 2022
Tudor did a great job on our kitchen. He kept us informed on progress all the way through the job allowing time in the morning for questions and then getting on with the work during the day. At the end of each day he showed us and spoke with us about the excellent progress he had made. Very pleased with our lovely new kitchen which is clean, bright and spacious.
Sam
Rating: 5 out of 5
Extension Builder in Waterloo
Comprehensive Experience in Construction, Kitchen Installation, and Other ServicesDear Sir/Madam,I would like to share with you my extensive and comprehensive experience in the field of construction, including kitchen installation and repair, tiling and carpentry, plumbing, electrical work, as well as building and bathroom renovation.I have been working in this field for several years, successfully executing a variety of projects, both small and large, in different sectors such as residential, commercial, and educational buildings. I have provided my services to several satisfied clients and have always strived to achieve their complete satisfaction by delivering high-quality work within specified deadlines.My experience is characterized by skillful leadership of work teams and coordination of efforts among different technicians to ensure efficient and effective project execution. I am constantly seeking to develop my skills and learn from my experiences to deliver the best in every project.If you are looking for a specialized and reliable professional to execute your project, I am here to serve you. I am honored to offer you my services in the fields of construction, kitchen installation, and others, and look forward to working with you to achieve your goals and meet your needs.Thank you for your trust, and I look forward to the opportunity to collaborate with you.Best regards, [sam]
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Latest review:
Good job.Outstanding worker.
BS
Rating: 4.8 out of 5
Extension Builder in Waterloo
Our company specialises in the design and installation of custom and high-quality loft conversions and house extensions across London and the M25. While offering a personalised service, we bring the skills and experience required to ensure your loft conversion is completed to the highest standard and agreed timeline. Whether you are looking to add value to your property or create more space, our team will handle everything from planning permission to architectural design and construction
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Latest review:
Extensions- 31 Aug 2024
BS Loft Conversions are reliable, honest and operate with integrity. I recommend them to anyone who is looking for some building work whether they are big or small projects. They arrive on time, work hard and leave the site clean and tidy. Anxehlo always takes the time to answer any questions we may have and talks us through the process before providing us with all the options available from repair, replacement or re-instatement. As a novice to a huge development, it was difficult to find builders you can trust but, Anxhelo made that process easier, restoring our faith in construction work.

4.1

Top rated Extension Builders

Our Extension Builders in Waterloo, are rated 4.1 out of 5 based on 18 reviews from customers like you.

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What types of services are offered by local extension builders in Waterloo?

Building an extension is a major milestone for any home. It’s not just about adding extra space, it’s a big step that can transform how you live day to day, opening up new possibilities for comfort, lifestyle, and family needs.

This is why it’s so important to find the right extension builders in Waterloo for you. They can help with a variety of tasks and projects, including:

Extending your home with an extra room
Two+ storey extensions
Adding partition walls to create more rooms
Building annexes or external structures

To find the right extension builder near you, simply post your job on MyBuilder. Explain the type of help you’re looking for, and then home extension builders in Waterloo who are available and interested can respond to your post.

Browse profiles, read customer reviews and get quotes from your chosen Waterloo extension builders, all before you decide who to hire.

What are the hourly rates of extension builders in Waterloo?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in Waterloo will charge between £16 and £42 per hour.

Single-storey rear extensions cost between £20,000 and £60,000 depending on size and finish.
The cost of double-storey extensions, which add more space and value, can range from £100,000 to over £170,000.
Larger wrap-around extensions that combine multiple extension types can range from £40,000 to over £120,000.

The cost of an extension will vary depending on your property. For instance, extending in certain areas may require structural adjustments to ensure stability, which can increase your material and labour costs.

To get an accurate price for your home extension, request detailed quotes from several Waterloo extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Waterloo home extension project is likely to cost.

Find extension builders in Waterloo with MyBuilder

Hiring the right extension builder in Waterloo with MyBuilder couldn’t be easier. Just follow these simple steps:

Step 1: Post your extension project on MyBuilder

Whether you’re planning a single-storey extension, a loft conversion, or adding a new room, post your job on MyBuilder to find local Waterloo extension builders. Once your job is live, we’ll share it with home extension builders in Waterloo who can express their interest.

Step 2: Compare different extension builders in Waterloo

When you start receiving interest, review profiles of local Waterloo extension builders, check their previous work, and read real customer reviews. Ask about timelines, materials, and request detailed quotes.

Step 3: Hire Waterloo extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Waterloo, compare their experience, guarantees, and costs before choosing who to hire.

You’ll also have confidence knowing that every tradesperson on MyBuilder is verified through several checks, including:

ID verification: When a tradesperson joins MyBuilder, we ask for a valid ID, such as a passport, ID card, or eIDAS certificate.
Company verification: For tradespeople operating under a company, we make sure every tradesperson has a registered business.

Did you know? Our continuous monitoring and complaints process ensures that tradespeople who don’t meet our standards are promptly removed from MyBuilder’s platform.

Waterloo extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a Waterloo extension builder before hiring?

Before hiring an extension builder in Waterloo or extension building company in Waterloo, ask a few key questions to make sure you’re choosing the right professional for your home extension project.

What qualifications and experience do you have as an extension builder in Waterloo?

An extension builder in Waterloo should have a strong track record with similar projects and relevant building qualifications or trade memberships, such as the Federation of Master Builders (FMB) or TrustMark.

Will my home extension meet all building regulations and planning requirements?

Your Waterloo extension builder should ensure the project complies with Building Regulations and, where necessary, handle or assist with planning permissions. Ask how they manage building control inspections and what documentation you’ll receive once the project is complete.

What experience do you have with similar extensions in Waterloo?

Ask to see examples of their previous work, or view examples of their work on MyBuilder. Ideally projects similar to yours in scale and design. This helps you assess the Waterloo extension builder’s ability to deliver a result that meets your expectations.

How long will the extension take to complete?

Extension project timelines can vary depending on size, complexity, and weather. A typical single-storey extension might take around 8 - 12 weeks. Request a detailed schedule so you know what to expect and when key milestones will be reached.

Do you offer a guarantee for your work? Most Waterloo extension builders offer a guarantee or warranty on their work, often between 1 and 10 years depending on the project and materials used. This gives you assurance that any issues will be resolved after completion.

If you still have questions about the professional you are looking to hire, we have a full detailed guide on hiring the right builder here.

FAQ: Common questions about home extensions in Waterloo

Can an extension builder in Waterloo help with planning permission?

Yes, many extension builders in Waterloo can guide you through the planning process. They can help prepare drawings, advise on local requirements, and liaise with your local council to ensure your project meets all necessary regulations.

Can an extension builder in Waterloo handle everything from design to construction?

Many Waterloo extension builders offer full design-and-build services, managing both the architectural planning and construction stages. Ask your builder whether they can provide a complete package or if you’ll need to hire an architect or designer separately.

Will an extension builder in Waterloo help with materials and finishes?

Yes, most extension builders in Waterloo can source materials and offer advice on finishes that suit your design and budget. You can also choose to supply certain materials yourself, just make sure this is agreed upon before work starts.