Loft Conversion Companies in Belmont

Name: Loft Conversion Company
Brand: MyBuilder
SKU: loft-conversion-company
Rating: 4.6 (9 reviews)

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Some of our top rated loft conversion companies in Belmont

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Builders in Sutton
Rating: 5 out of 5
Loft Conversion Company in Belmont
About company We understand that remodelling any environment can be a stressful and complex undertaking but by working closely with you throughout the project we can identify your needs and minimise the stress wherever possible. We have hand-picked our suppliers, using only quality products and recognised brands. This ensures a consistent, high standard of refurbishment works all of our products .
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Latest review:
Kitchen Fitting- 4 Jul 2026
Andy is a Gem. Perfect Polite Punctuality Proactive Professional. Go for Andy and team.
Rc builders
Rating: 5 out of 5
Loft Conversion Company in Belmont
Family run company with 20+ years experience using time served and fully qualified tradesmen Finishing to a high standard regardless of your budget. All work fully guaranteed
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Latest review:
Restoration & Refurbishment- 30 Apr 2026
Job was completed quickly and to a great standard. Reasonably priced and we would definatley use them ahain
AQ Renovations
Rating: 5 out of 5
Loft Conversion Company in Belmont
Are you looking for reliable and professional builder? Then AQ Renovations is the right choice for you! We can do anything from the foundation of the extension to the top roof of the loft conversion. AQ Renovations team has fostered all of the skills you need for household repairs and improvements.
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Latest review:
Painting & Decorating- 26 Mar 2025
Ardi and his team did an excellent job on my new bought flat. The whole work includes stripping down the wallpaper, plastering, painting walls, ceilings and doors. The work was done in time with nice quality. Many thanks to Ardi and his team! :)
EXCLUSIVE BUILDS LTD
Rating: 5 out of 5
Loft Conversion Company in Belmont
Exclusive Builds Transforming Spaces with Excellence for your new build. Creating your ideal new build space with top-notch construction. With over 13 years of experience in the construction industry, Exclusive Builds Ltd has become a trusted name in the field of construction. Our team of experts has the knowledge, skills, and expertise to handle any project, big or small. We have completed numerous projects ranging from residential homes to commercial buildings, and our clients can attest to our commitment to quality and excellence.
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Latest review:
Raf and Paul were great. We did a massive 6m pitched roof extension - it was a big undertaking but they were both very professional and did a great job. We are absolutely delighted with our new space and can't thank you guys enough!
Douglas carpentry and building
Rating: 4.9 out of 5
Loft Conversion Company in Belmont
Douglas carpentry and building has over 10 years experience in all aspects of building work. We as a company have very high standards to accommodate all your building work needs from internal doors, skirting, architraves, built in wardrobes to all general building work. Hard working, dedicated, reliable, clean and tidy and here to give you a fair and honest quote. Please look at previous work on my Instagram page @douglascarpentry23
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Latest review:
Carpentry- 14 May 2026
Replaced a rotten external single door. The existing door frame was reused, as per request. This frame wasn't perfectly square which Alex had to compensate for. Alex arrived on time and completed the work without any unresolved issues, taking all offcuts and old door away for disposal.
Keaveney Construction
Rating: 5 out of 5
Loft Conversion Company in Belmont
We are Professional General Builders for both Residential & Commercial customers across All Trades & All Job Sizes. Owned and ran by Paul Keaveney, a builder with over 38 years experience. We have built everything from a tree house to a housing estate on a green field site. We do just about any building works, property maintenance and carpentry that you can think of. Experienced and skilled tradesmen carry out all works with any sub-contract work passed only to trusted and reliable associates.
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Latest review:
Fireplaces & Flues- 12 Nov 2024
Paul helped us with our attic, laying down boards and installing lighting. His quote was very reasonable and detailed, and he completed the work to a high standard, leaving the area clean and tidy afterward. He was extremely professional and very patient throughout the process, taking the time to answer our questions and give us helpful advice on other maintenance issues around the house. I’m really glad we chose Paul for this project, and I would happily recommend him to my friends.
BUILD 4 YOU LTD
Rating: 5 out of 5
Loft Conversion Company in Belmont
We are a small family business with long experience in private and commercial building projects. With a dedicated team of skilled traders, we can cover all aspects of refurbishment and I always make sure our customers are 100 % satisfied without compromising between value and quality.
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Latest review:
Kitchen Fitting- 18 May 2021
Ivan ended up installing a nice new neat bathroom instead of a new kitchen. He even helped to obtain a quote for the new kitchen unit. We worked together to ensure all problems with the materials and measurements were ironed out. He and his team even did some further works following my snagging. Will definitely use again. Thanks Ivan
Clarence Loft Conversions
Rating: 5 out of 5
Loft Conversion Company in Belmont
Clarence Loft Conversions is a small carpentry based building company specialising in Lofts. We cover all aspects of building works. Concentrating on one job at a time, providing a high quality finish. Covering Surrey and south west London.
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Latest review:
Building work was very well done and the boys were great. Thank you 👍
Mati Construction
Rating: 5 out of 5
Loft Conversion Company in Belmont
We are a family company with over 15 years of experience. Our team is highly professional. We offer wide range of services which include: - lofts, extensions - bathrooms and kitchens renovations - painting, decorating, wallpaper - flooring (all kinds) - roofing - property maintenance - building renovations/ rooms renovations - plastering, tiling, rendering and many many more!
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Latest review:
The guys did a superb job! Not only did they make everything I asked for a reality, they also guided me through decisions when I needed help. They put extra hours in to make it happen on time and I could not be happier with what feels like a brand new home. They were a pleasure to work with and we were great at communicating the progress giving me a peace of mind throughout the project.
Roof Restorer Ltd
Rating: 5 out of 5
Loft Conversion Company in Belmont
Hi, and welcome! We’re Roof Restorer — a dedicated roofing company based in London, specialising in all aspects of roofing including new roof installations, flat roofs, roof repairs, tile replacement, leadwork, and more. With a skilled and reliable team, we pride ourselves on high-quality workmanship, transparent pricing, and exceptional customer service. Whether it’s a small repair or a full roof replacement, we treat every job with care and professionalism. We’re fully insured and offer guarantees for peace of mind. Get in touch for honest advice and a no-obligation quote — we’re here to help protect your home.
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Latest review:
Roofing (Pitched)- 18 Jun 2025
I was in need of a quick roof inspection to make sure that the works carried out by another roofer were to a good standard. Shilhaad was very prompt to get back to me and had outstanding communication from quotation through to delivery. He was fair and impartial, turning around a report on the same day. He was very friendly, approachable and knowledgeable. Thanks to Shilhaad, I can go back to our initial roofers with some evidence on work that needs to be redone. My only regret was not using Shilhaad and his team to carry out the roof works in the first instance. Thanks again!
AG Home Improvement
Rating: 5 out of 5
Loft Conversion Company in Belmont
AG Home Improvement over 10 Years of experience in the domestic construction industry Doing loft conversions, house extensions bathrooms ,kitchen's and general refurbishment's
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Latest review:
Plumbing- 17 Aug 2022
Aldi was professional, courteous and completed the job as stated. I hope to use his services again in the near future.
Aitchison Development Construction Limited
Rating: 4.8 out of 5
Loft Conversion Company in Belmont
We have been in the property development and building work for more than 20 years. We specialise in loft conversions, extensions, new builds, bathrooms, kitchens, steel works, driveways, decking etc. I have uploaded images of my recent works.
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Latest review:
Bathroom Fitting- 15 Feb 2026
Omer and his team were truly amazing. Will use again and highly recommend. They saved us when our builders left the job poorly done and unfinished. Really great communication from Omer, a very fair price and he continually went over and beyond to ensure the best job possible was done, including some complex electrical + plastering work along sith bahtroom fitting + decoration. Great service and a lovely person who genuinely cares.
SAM DESIGN & BUILD LTD
Rating: 4.4 out of 5
Loft Conversion Company in Belmont
Having a wide range of experiences in designing and constructing extensions, loft conversions, alterations and new buildings with planning, structural drawings and calculation, we provide full range of service from planning and design to construction. Electrical, gas safe, plumbing and heating are also part of our wide range of services. Load bearing wall removal, chimney breasts removal, refurbishing kitchen and bathroom were also one of the most accomplished projects in last year. Look forward to hear from you.
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Latest review:
Loft Conversion- 18 Aug 2024
done a good job, on time
Magna Building Services Ltd
Rating: 5 out of 5
Loft Conversion Company in Belmont
At Magna Building Services we care about all the jobs we do taking pride in our quality of finish. With years experience in all aspects of building our skilled team will deliver whatever you need doing at a high quality for a fair price.
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Latest review:
Electrical- 8 Apr 2019
excellent dean was very polite also extremely good at his job would most certanley use this company again also recomend to famly and friends and thank you for your service
Happy Building London Ltd
Rating: 5 out of 5
Loft Conversion Company in Belmont
Hello, We’re an architectural design and construction management company with a love of creative inspiration. We help turn dreams and visions into reality for people who aspire to live in exceptional contemporary spaces. Big ideas are our thing. Along with expertly costed build packages. Then there’s our end-to-end project management service, perfect for people who want to leave nothing to chance.
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Latest review:
Restoration & Refurbishment- 17 Jul 2016
Valter was very impressive on his initial visit with some exciting ideas for the house improvements and we had no hesitation in choosing Happy Building above the other two building firms who quoted. Having signed off on the budget and scope of work, Valter's team of builders arrived. We were hugely impressed with the skill, experience and work ethic of the team; the fact that they arrived early each morning smiling underlined the "Happy Building" epithet; Jarek, the site foreman, had an especially cheery demeanour. The work involved stripping the walls back to bricks, removing walls, reinforcing foundations, plastering, extending the bathroom and removing one bedroom to create a large ensuite bedroom. The latter certainly would not have been done without Valter's vision and patience in explaining how it would look. We were able to deviate from the original plans without any problem which was very important in achieving the final look which we had desired. Valter was very careful in sticking to time and budgets which I had never experienced before with builders. The kitchen, bathroom, two bedrooms, living room and hallways were finished to the highest possible specification within our budget. There were one or two small features which, with hindsight, we would have improved such as door handles and shower fittings, however this was down to us not specifying exactly what we wanted. These are very minor details and a tiny part of the overall picture.
Building Decorating
Rating: 5 out of 5
Loft Conversion Company in Belmont
I am a certified building technician with over 30 years of experience in construction, home improvement and maintenance projects. My aim is to provide all clients with first class service and a high standard of workmanship.
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Latest review:
Painting & Decorating- 7 Nov 2025
Did an incredible job, and was on time with the work. Definitely recommend him for your painting job

4.6

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Belmont, are rated 4.6 out of 5 based on 9 reviews from customers like you.

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What services are offered by loft conversion companies in Belmont?

Converting a loft often entails many jobs - some of which you likely haven’t even considered! Fortunately, a professional loft conversion company in Belmont 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 Belmont 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 Belmont

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 Belmont loft conversion company.

Find a loft conversion company in Belmont 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 Belmont.

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 Belmont can view your job and register their interest.

Step 2: Review and compare Belmont 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 Belmont 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 Belmont 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 Belmont

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 Belmont?

A local loft conversion company in Belmont 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 Belmont 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 Belmont 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 Belmont

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 Belmont before agreeing to start the work.

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

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 Belmont 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 Belmont loft conversion companies offer strategies to minimise disruption, but in complex projects, temporary relocation may be advisable.