Loft Conversion Companies in Waterloo

Name: Loft Conversion Company
Brand: MyBuilder
SKU: loft-conversion-company
Rating: 4.5 (13 reviews)

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Some of our top rated loft conversion companies in Waterloo

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Zebra Property Limited
Rating: 5 out of 5
Loft Conversion Company in Waterloo
Looking to increase space within your property, restructure the layout, a new bathroom/kitchen or just re-decorate. We do it all. We have put in basements, loft conversions, side returns and even a swimming pool. We provide a 'do it all' service at the highest of qualities for all our clients.
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Latest review:
Restoration & Refurbishment- 20 Jul 2015
We hired Zebra Property for a complete strip out and refurbishment of a GF flat. The JOB: The job included initial removal of existing bathroom, kitchen and flooring. The works itself were for a side return wrap around kitchen extension, basement refit, installation of new kitchen and bathroom, new windows (including velux) and bifold doors, tiling and complete decoration throughout. FEEDBACK: Zebra were a great company to work with on this job. Communication levels were clear. There were inevitable delays to the project but there was always a focus to get back on track and deliver as quickly as possible. The resulting finish is a high standard throughout the property, with any minor snags completed quickly. Thank you!
Marangoni Construction
Rating: 5 out of 5
Loft Conversion Company in Waterloo
We are dedicated to building quality projects and our wealth of experience and efficient working methods mean that with us on board, you get more - more choice, more cost savings and a quicker turnaround.We are a hard workers,good organiser,sociable,loyality,honest
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Latest review:
Hard working and experienced professional with large experience in mid-sized residential projects. Dyone always tries to go the extra mile to please the client. He has worked in several European countries giving him access to better knowledge of materials and suppliers. Great to work with.
rfi builders ltd
Rating: 5 out of 5
Loft Conversion Company in Waterloo
Hi! My name is Rifat, I’m the proud owner of RFI builders. I have 30+ years experience in the construction industry having done jobs in, brick laying, plastering, flooring, painting, loft conversions, extensions and many more!
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Latest review:
Plastering- 4 Oct 2024
Mr Rifat did an excellent job for plastering rooms and i would recommend him to everyone highly. The work he has done is to a very high standard and completed in 3 days. His quote was very helpful and comprehensive and he was helpful and very kind and calm. He did not take a break from doing the work, even though i told him to take a seat for 5-10 minutes. He is a very hardworking person. I think anyone to catch him to do a job for themselves is very lucky. I recommend him to everyone because he knows how to do good job.
ELB Construction services LTD
Rating: 5 out of 5
Loft Conversion Company in Waterloo
Established, respectable construction company which specialises in all aspects of building. we pride ourselves on giving clients a personal touch. Seeing you’re project through from getting planning permission to completing works to a hi spec finish. new builds loft conversions house extensions refurbishments Basements All type of general building undertaken
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Latest review:
Extensions- 23 Dec 2022
ELB Construction completed some major garden works for me and constructed a garden office. It was a big piece of work with a lot of earth moving, significant foundations and a lot of brickwork. The ELB team, specifically Jimmy the site manager, were fantastic, always giving me the right advice about things I was not knowledgeable about, always focussed on a quality finish and flexible when we had some challenges with our neighbours. The finish is great, communication was always open and honest and they were very competitively priced. My brother in law is in corporate construction and was specifically very impressed with the quality of the brickwork that Jimmy and the team produced. Thank you to the whole team!
ABETA GROUP LIMITED
Rating: 5 out of 5
Loft Conversion Company in Waterloo
ABETA GROUP LIMITED covers a wide range of construction services offered by our team of professionals.
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Latest review:
Kitchen Fitting- 30 Nov 2020
Aurenc was very helpful and accommodating. The work was well done. All the persons were respectful and clean.
ALT’s Builders
Rating: 5 out of 5
Loft Conversion Company in Waterloo
We are a family run business with more than a decade of experience. At ALT’s Builders Ltd we pride ourselves on an efficient and friendly service, and achieve 100% costumer satisfaction ethic. So no matter how big or small your job is we can help. ALT’s Builders Limited is a leading and reputable Construction Company serving around London Ever since we opened for business, we’ve taken a comprehensive approach to construction industry, providing our clients with a wide range of services to cover their needs. our clients are our Number one priority and we go extra mile to make sure they’re completely satisfied. we stand by the excellence of our work and provide clients with personalized attention based on their specific needs. With this service, we’re fully prepared to tackle even the most complex projects and stand by the exceptional quality of our work.
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Latest review:
Loft Conversion- 31 Mar 2026
We recently hired Altin to do our mansard loft conversion and honestly, it was a really good experience from start to finish. He was always on time, worked really hard, and his whole team put in a lot of effort every day. Communication was easy and straightforward, which made things much less stressful for us. The project was finished on time as agreed, and we’re really happy with the quality of the work. Altin was also super helpful whenever we had questions and helped a lot with building control, which made a big difference. It’s quite a messy job (cutting through the ceiling and putting in a staircase), but they did everything they could to keep things as clean and tidy as possible, which we really appreciated. Overall, we had a great experience and are very happy with how everything turned out. I’d definitely recommend Altin to anyone thinking about a loft conversion.
D.L.CONS LTD
Rating: 5 out of 5
Loft Conversion Company in Waterloo
Hi, I’m Dan, the owner of D.L.CONS LTD – a small, skilled, and reliable building company based in E9, London. With 25+ years of experience, I’ve pretty much done it all – and done it well. I specialize in bathroom and kitchen fitting, bricklaying, painting & decorating, and carpentry, and over the years, I’ve worked on everything from domestic extensions to shop renovations. Whether it's transforming a small bathroom or building an entire extension, my team and I focus on quality, precision, and attention to detail—because great craftsmanship speaks for itself. We mainly work in E9 and the surrounding high-end postcodes—Hackney, Victoria Park, London Fields,and Islington. If you're looking for top-quality workmanship with no shortcuts, I’d love to hear about your project. Let’s build something great together.
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Latest review:
Carpentry- 8 Apr 2026
I’m really happy with the work carried out. He came in to fix my steps after a previous builder had damaged them and left them unstable, and the difference is night and day. Everything now feels solid, secure and properly finished. He also fixed the skirting boards and installed my desk, all to a very high standard. What I really appreciated was how professional he was throughout and the advice he gave along the way, which showed real experience and care for the job. Overall, a really high-quality finish and a great attitude. I wouldn’t hesitate to recommend him.
TT solutions
Rating: 5 out of 5
Loft Conversion Company in Waterloo
Welcome to [ TTsolutions ], where craftsmanship meets creativity. With over [ 12 years ] of experience in the industry, we specialize in delivering top-notch carpentry and joinery services tailored to meet your specific needs. #### Our Services Include: - **Custom Furniture Design:** We create bespoke furniture pieces that blend functionality with aesthetics, perfect for any space in your home or office. - **Cabinet Making:** Our skilled craftsmen design and build high-quality cabinets that are both stylish and practical, providing you with ample storage solutions. - **Interior Joinery:** From doors and windows to staircases and architraves, we provide exquisite joinery work that enhances the beauty and functionality of your interiors. - **Outdoor Structures:** We also specialize in designing and constructing outdoor furniture, decks, and pergolas that elevate your outdoor living experience. #### Why Choose Us? - **Expert Craftsmanship:** Our team is dedicated to quality, ensuring every project is completed to the highest standards. - **Personalized Approach:** We work closely with you to understand your vision and bring it to life, ensuring complete satisfaction. - **Timely Delivery:** We respect your time and strive to complete all projects efficiently without compromising on quality. - **Sustainable Practices:** We prioritize eco-friendly materials and practices, ensuring our work is not only beautiful but also responsible. #### Experience You Can Trust With a passion for woodworking and a commitment to excellence, [ TTsolutions ] has established a reputation for reliability and quality. Our portfolio showcases a wide range of successful projects, demonstrating our versatility and attention to detail.
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Latest review:
Carpentry- 27 Mar 2026
The job was executed to the highest standards. Tzouliano was clearly very knowledgable and experienced. He explained what work needed to be done, what he would do and was very honest about what was possible and how durable it would be. He was also very polite and respectful (he took his shoes off every time he walked around the flat without needing to be asked). I would definitely recommend him for any carpentry job.
Building
Rating: 5 out of 5
Loft Conversion Company in Waterloo
Elysium utilities ltd Hi Thank you for checking in at my page here at Elysium utilities ltd We are a team of qualified tradespeople and between us we can do pretty much all work required in your home.
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Latest review:
Decking- 23 Jun 2019
Very nice guy. Did a really good job on cleaning down and repainting my decking. Would definitely recommend.
APS Carpentry
Rating: 5 out of 5
Loft Conversion Company in Waterloo
I’m Adam a self employed carpenter & floor layer with 15 years experience working in the trade.I’m a fully qualified 1st & 2nd Fix carpenter.I’ve completed my NVQ level 1 & 2 in carpentery and joinery,aswell as an apprenticeship.Majority of my experience comes from loft conversions,extensions,refurbs & maintenance,with a few years site experience.I enjoy my job and take pride in my attention to detail.I’m always happy to give guidance and put across my experience & work a lot off reference
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Latest review:
Came out on short notice . Job completed in a couple of hours
doc carpentry services
Rating: 5 out of 5
Loft Conversion Company in Waterloo
All carpentry work undertaken by experienced qualified tradesman. as seen on tv. loft conversions//doors interior/exterior/built in wardrobes.bookcases,shelving ,wooden flooring, decking, fencing. locksmiths services. fully insured. references available.
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Latest review:
Joinery & Cabinet Making- 22 Nov 2019
Dermot O'Connor is an excellent carpenter. He is 100% trustworthy. When he says that he would be on site he would be there always on time. He is courteous and the quality of is work is exceptional. Thank you mybuilder for putting me in touch with him. I could not have had a better experience.
WOODHOUSE BUILDERS LIMITED
Rating: 4.8 out of 5
Loft Conversion Company in Waterloo
Welcome to Woodhouse Builders Ltd, we cover all aspects of property maintenance and no job is too small or big for us. If it’s a small decorating job or full property renovation , loft conversion or extension , we are here to help and provide the best services possible . Our success is built on providing the best services and ensuring that all our customers are happy with our services.
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Latest review:
Loft Conversion- 9 Dec 2021
Art and team made the impossible possible. They brought in 5 steel beams for our loft, one beam was 400kg even, which was brought up with pure man power. Big job and impressed it was delivered properly and with steel sourced within days. Building control approved straight away. Art is very responsive on text and answered all my questions promptly. His team is very friendly and calm. Thoroughly recommend.
UK
Rating: 5 out of 5
Loft Conversion Company in Waterloo
"I am K. Uraev, a qualified and experienced builder operating across London. With over 25 years in the trade, I take immense pride in delivering high-quality craftsmanship and a seamless, stress-free experience for every client. I specialize in residential projects, from: < Kitchen and bathroom renovations, < Double and single-storey extensions, < Loft conversion, < Bespoke joinery, alcove units, < Interior remodelling, < Painting and decorating, < Tiling, < Plastering, < Repair and maintenance, < Plumbing, < Electrical installation, < Decking, < Carpentry and Joinery < Roofing, < Flooring, < Drywall installation, < Wallpapering. My approach is hands-on and personal; as a self-employed builder, I am trying to ensure every detail meets my exacting standards. I believe in clear communication, transparent quoting, and leaving your home cleaner than I found it. Your project isn't just another job—it's my reputation." Please have a look at the photos provided. I can provide many more photos and references if necessary.
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Latest review:
Painting & Decorating- 27 May 2026
Kamil and his colleague were brilliant and I’d highly recommend them. We had a ceiling crack that was bowing, Kamil correctly identified the issue and fixed it. He also sanded and primed our ceiling and walls, ready for us to paint. Kamil & his colleague worked really hard to finish the job in just two days and were polite and tidy. He was clear and considerate about the costs.
Bubble.Build
Rating: 5 out of 5
Loft Conversion Company in Waterloo
Studio Bubble We specialise in delivering High Quality Architectural services. Our young experienced team of Architectural technicians can help you with all your drawing requirements for a low cost. We specialise in assisting you with you with Planning applications and documents that will help you with quotations for contractors.
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Latest review:
Having a good set of detailed drawings which covers all areas from the start of the job makes my life so much easier and the job run so much smoothers, Callum was very helpful from the start through to the end. I will 100% use him for all my work in the future and I will certainly recommend!
Home Design & Build
Rating: 5 out of 5
Loft Conversion Company in Waterloo
Tooled with years of experience, we undertake design & reconfiguration of builds; adding value to your home or business. Working closely with you; we create a bespoke, quality finish within your budget & affordability. Delivering a high standard of skill & integrity of craftsmanship we are proud off
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Latest review:
Kitchen Fitting- 24 Jun 2025
Lalli and her team were all very professional, communicative, and detail oriented helping us create a new kitchen and bathroom that we love, not to mention, on schedule! We would highly recommend Home Design and Build and hope to work with then again in the future.
Balham construction Ltd
Rating: 5 out of 5
Loft Conversion Company in Waterloo
Balham construction are a London based refurbishment and construction company that offer a wide range of services from full Property refurbishment to extensions and loft conversions and everything in between
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Latest review:
Tom and the team completed a full renovation of my flat. This included refurbishment of my kitchen, bathroom and general redecoration. The team were extremely hardworking and punctual and no job was too difficult for them. I would highly recommend their services.

4.5

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Waterloo, are rated 4.5 out of 5 based on 13 reviews from customers like you.

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What services are offered by loft conversion companies in Waterloo?

Converting a loft often entails many jobs - some of which you likely haven’t even considered! Fortunately, a professional loft conversion company in Waterloo will be able to handle multiple services, ensuring your transformed loft is fit for purpose.

Some of the services loft conversion companies can provide include:

Full loft conversions: Complete design and build projects when structural alterations are needed
Dormer loft conversions: Add extra headroom and floor space with a dormer extension
Velux or rooflight conversions: Ideal for lofts with good existing height; minimal structural change required
Hip-to-gable conversions: Extend the sloped roof to create more usable space
Mansard conversions: A major structural change offering maximum space.
Loft storage conversions: Add flooring, lighting, and insulation for clean, usable storage
Skylight or roof window fitting: Install natural light solutions like Velux windows
Staircase installation: Design and build bespoke stair access to your new loft
Insulation, heating, and ventilation upgrades: Ensure comfort and compliance with energy standards
Design and planning services: Architectural drawings, planning permission, and building regulation approval

Post your job to MyBuilder and you'll be matched with loft conversion companies in Waterloo who are interested and available to help. And with the reviews of past customers and the freedom to compare the quotes of similar tradespeople, all in the same place, the ball’s in your court.

Average costs of loft conversion companies in Waterloo

Loft conversions tend to be charged on a project basis, rather than by the hour, as they often involve weeks or even months of work.

The cost of your loft conversion depends on a few things, including the style of loft conversion and materials you choose and the size of your property.

That being said, here are average prices for common types of conversion work:

Full loft conversions: £45,000–£70,000+
Dormer loft conversions: £55,000–£85,000+
Velux or rooflight conversions: £25,000–£45,000
Hip-to-gable conversions: £50,000–£80,000+
Mansard conversions: £70,000–£100,000+
Loft storage conversions: £10,000–£20,000
Roof window fitting or skylight installation costs: £1,000–£2,500 per window
Staircase installation costs: £2,000–£5,000
Insulation, heating, and ventilation upgrades: £2,000–£6,000
Design and planning services: £1,500–£4,000

Take a look at our guide to loft conversion costs to get a more detailed breakdown of the different options available when using a Waterloo loft conversion company.

Find a loft conversion company in Waterloo with MyBuilder

When you’re planning major work like a loft conversion, you’ll want to find the right tradesperson for the job. The great news is, MyBuilder has already done all the time-consuming work for you.

All you need to do is post your job on MyBuilder, completely for free, and we’ll share it with loft conversion companies near you in and around Waterloo.

Step 1: Post your job on MyBuilder

Provide a detailed description of your loft conversion project, including the type of conversion you want, any structural changes, preferred materials, and your ideal timeline. Once posted, local loft conversion companies in Waterloo can view your job and register their interest.

Step 2: Review and compare Waterloo loft conversion companies

Browse the profiles of interested loft conversion companies. On MyBuilder, you can view photos of previous projects alongside customer reviews, compare quotes, and see the types of conversions they specialise in.

Step 3: Contact and discuss your project

Once you’ve reviewed local Waterloo loft conversion companies, you can reach out to those that interest you to ask questions, clarify details, and request more specific quotes. At this stage, be sure to discuss vital aspects like planning permission, design options, and estimated timelines to ensure the company meets your requirements.

Step 4: Hire the right Waterloo loft conversion company

Once you’re satisfied with their experience, quotes, and approach, you can confirm your hire and start planning your loft conversion.

You can also take a look at our loft conversion specialist hiring guide to help inform your choice. All tradespeople undergo checks at registration - such as verifying ID documents, company details, and certifications for regulated jobs and doing skill assessments - allowing you to hire with confidence.

Questions to ask local loft conversion companies in Waterloo

Choosing the right loft conversion company for your job requires finding someone who understands your home and your goals.

Find out which company can share your vision by asking the following questions:

What experience do you have with loft conversions in Waterloo?

A local loft conversion company in Waterloo will know the types of properties and building styles common in your area, as well as the planning and building regulations that apply. Ask about similar projects they’ve completed locally.

Are you insured, and do you offer a warranty for your work?

Insurance protects your home during the loft conversion process, while a warranty shows the company’s confidence in the quality and durability of their work.

How do you handle planning permission and building regulations?

Established loft conversion companies in Waterloo should understand local planning rules and building regulations. Ask how they’ll manage permissions, inspections, and compliance to avoid delays or legal issues.

What is included in your quote?

Ensure the quote covers all essential aspects of the loft conversion: structural work, windows or skylights, staircases, insulation, labour, and any additional fees. Understanding this upfront prevents unexpected costs later.

Do you manage the project from start to finish?

Some Waterloo loft conversion companies offer full project management, coordinating architects, builders, and tradespeople. Others may only handle part of the conversion. Clarifying this early on helps you understand what support to expect.

FAQ: Common questions about loft conversions in Waterloo

How long does a loft conversion take?

Typically, a loft conversion can take between 6 and 12 weeks, depending on complexity, planning permissions, and any structural work required. Be sure to discuss the timeline with any potential loft conversion companies in Waterloo before agreeing to start the work.

Do I need planning permission for a loft conversion in Waterloo?

Many loft conversions fall under permitted development, but some require planning permission, especially if you’re adding a dormer, extending the roof, or living in a listed building. A professional Waterloo loft conversion company can advise and handle permissions for you.

Will a loft conversion affect my home insurance?

Yes, you’ll need to update your home insurance to cover the conversion. Inform your provider about structural changes, additional rooms, and any changes to utilities or heating systems.

Can I stay in my home during the loft conversion?

Many loft conversions allow you to remain in your home, though noise and dust are inevitable. Some Waterloo loft conversion companies offer strategies to minimise disruption, but in complex projects, temporary relocation may be advisable.