Loft conversion companies in Barry

Name: Loft Conversion Company
Brand: MyBuilder
SKU: loft-conversion-company
Rating: 3.4 (5 reviews)

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Some of our top rated loft conversion companies in Barry

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J And M Kitchens
Rating: 4.2 out of 5
Loft Conversion Company in Barry
we are a local kitchen specialist with our fitter having over 15 years experience with all types of kitchen - we fit anything from Wicks and B&Q, too Howdens and Wren. and specialise in German kitchens. We can help design right the way through to completion. All completed kitchens are given a 10 year fitters guarantee.
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Latest review:
Plastering- 8 Oct 2026
Don’t trust on him , he promised do the job in 5 days he takes almost a month, the job never was done the way I want , waste of money and of time , the radiator was not right and was leaking, it cost me extra 575 for I hire another builder for finish everything. Them when I complain he told me he gone refund almost 3 weeks pass and still without the refund . Don’t hiri him if you want job done
Ox construction Cardiff ltd
Rating: 5 out of 5
Loft Conversion Company in Barry
We are a property development company based in Cardiff. We work throughout south Wales and the southwest of England. I have been in the construction for 16 years now. Working all over the UK. I have used my years to master our customer relationships, project pricing and project management. We have a team of craftsmen that are capable of bringing any project to life no matter how extravagant. Every single job we undertake will be assigned your own personal project manager. We create a specific WhatsApp group and include all the men that will be working at your property along with myself. You will have a 24 hour communications team to answer all of your queries.
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Latest review:
Conversions - General- 12 Mar 2025
Excellent service with great communication and worked hard to achieve specifications of the job (which turned out to be more complicated than initially expected in my old house). Completed quickly and efficiently, and for a great price.
Highstreet builders ltd
Rating: 5 out of 5
Loft Conversion Company in Barry
I'm a small local company with over 30 years experience in the trade with a good team of tradesmen at hand. I believe that in this profession you can only be successful if you have a good portfolio of satisfied customers, in which I have proudly achieved. I specialise in extensions,loft conversions and all aspects of ground works but with a view that no job is too big or small. Please take time to view my gallery of recent jobs carried out in order to give me the privilege of creating your quote
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Latest review:
Loft Conversion- 24 Apr 2017
Sean was punctual and very thorough throughout the quotation process and instilled a high level of confidence in the work that he would provide. Upon starting the job, punctuality was once again excellent and his team were professional and courteous throughout. The job was completed on time, to budget and was of a very high standard and I would not hesitate to use Highstreet Builders Ltd for any other work that I may have in the future.
S&B Projects Ltd
Rating: 5 out of 5
Loft Conversion Company in Barry
We are a carpentry based firm with a mixture of skilled and experienced carpenters and joiners. We have access to a joinery shop where we can make bespoke designs to clients specifications. We also undertake all types of building work and contracts managing.
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Latest review:
Loft Conversion- 9 Nov 2021
I honestly can’t recommend them highly enough and say enough good things about Michael, Dale and their team. We chose Finer Construction based on their reviews - all 5 star. But absolutely blown away by how fantastic they have been start to finish. All incredibly knowledgeable, skilled, friendly and professional. Nothing was ever too much trouble. I look forward to using them again for our next project and wouldn’t consider using anyone else going forward! Massive, massive thank you guys! 👏🏼 ⭐️⭐️⭐️⭐️⭐️
JWR Property Developments
Rating: 5 out of 5
Loft Conversion Company in Barry
I am a qualified carpenter by trade and I have over 20years experience in the building industry. My jobs vary from extentions ,dormars ,attic convertions,garage convertions to smaller jobs which include all aspects of carpentry, plastering ceilings and walls and tilling kitchens and bathrooms.
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Latest review:
Loft Conversion- 16 Nov 2018
The job was completed in a timely manner the workman were polite, and cleaned up after themselves and worked around issues that surfaced. we had a very tight deadline and we are very happy with the result and would happily recommend
Building Invision Ltd
Rating: 5 out of 5
Loft Conversion Company in Barry
We are #1 Trusted and professional construction service. We bring first class results, with many years of experience. We excel in delivering both residential and commercial construction projects to our clients, in a friendly and professional manner.
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Latest review:
Extensions- 24 Apr 2022
Cannot speak more highly of this company. Pete and Brandon are extremely professional , helpful and friendly. Each aspect of the kitchen extension has been discussed and advice given. Their work is immaculate, professionally finished and looks amazing. They both work tiredsly to ensure the work is done to the required specification and to the customers satisfaction. I cannot recommend them highly enough. They are a company I would definitely recommend highly and would use again. Thank you so much both in making my kitchen dream come true. Best wishes for your future 😊
A B plastering and building
Rating: 4 out of 5
Loft Conversion Company in Barry
i have been in the building industry all my life and have a wide range of jobs to go in my portfolio I am a vetted member of Which? Trusted Trader. And have 8 years of 10 out of 10 reviews on checkatrade
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Latest review:
I HIRED ANDY TO RENDER SIDE & BACK OF MY HOUSE. THE PRICE WAS FAIR . ALL STARTED WELL , IS LABOUR DAVE WAS VERY HARD WORKING DOING MOST OF THE WORK. WHEN ANDY TURNED UP TO PUT THE COATS OF RENDER ON THE BACK , THERE WAS AFEW MISSES & A WAVE GOING FROM ON END TO THE OTHER. WHEN HE DONE SIDE WALL AGAIN THERE WAS MISSES , NOT ONLY THAT BUT THROUGH OUT HE LEFT THE PLACE UNTIDY . DID NOT PUT THE DOWN PIPE BACK ,DID NOT REPLACED THE BROCKEN TILES , DID NOT REPLACE BROCKEN STEP, DID NOT PUT THIRD COAT ONE LIKE HE SAID HE WOULD . AFTER TELLING ANDY ABOUT ALL THE SAID ABOVE, IS REPLY WAS IT WILL COST ME TO PUT IT RIGHT. SO MUCH FOR THE AGREED PRICE FOR THE WORK UNDERTAKEN. NOT VERY HAPPY BECAUSE IT COST ME MORE MONEY TO GET A NOTHER BUILDER IN TO FIX IS MESS , WOULD NOT RECOMMED HIM.
blakeon living spaces ltd
Rating: 5 out of 5
Loft Conversion Company in Barry
we are based in South Wales we specialise in renovation works experts in loft conversions and we also have a landscaping team
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Latest review:
Loft Conversion- 11 Jun 2026
We recently completed a loft conversion with Dean and his team at Blakeon, and I couldn't be happier with the result. The workmanship has been excellent throughout, and the new loft space has completely transformed the house while feeling fully integrated with the rest of the property. What really stood out was the communication, reliability and flexibility. As the project progressed, I refined several design decisions before they were finalised, and Dean was always patient, accommodating and willing to discuss options. The project included a number of additional complexities, all of which were handled professionally and pragmatically. I also remained living in the house throughout the build, and the team were consistently respectful, considerate and easy to work with. I would have no hesitation in recommending Dean and his team and am already discussing future projects with him.
Regency construction group ltd
New on MyBuilder
Loft Conversion Company in Barry
Regency Construction Group is a professional building and construction company serving Cardiff, Newport and surrounding areas of South Wales. We specialise in new build homes, house extensions, loft conversions and complete home renovations, as well as kitchen and bathroom renovations. From the initial planning and preparation through to the final finishing touches, our experienced team manages every stage of the project with a focus on quality workmanship, attention to detail and delivering results our customers can be proud of. Whether you're looking to create more space, transform your existing home or build something completely new, Regency Construction Group provides a reliable and professional service tailored to your project. Building Homes. Creating Spaces. Delivering Quality.
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Wooden Artefact Ltd
Rating: 5 out of 5
Loft Conversion Company in Barry
We offer the highest level of service.Our quality workmanship leaves contented customers with a positive experience.Pricing can be negotiated and we are happy to provide a free estimate.Every job receives our personal attention and we are happy to adapt to meet our customers needs as the job progresses.
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Latest review:
Conversions - General- 2 Dec 2025
Radek and his team provided high quality work which will stand the test of time, I am delighted with what they have done. Excellent job.
KIS construct
New on MyBuilder
Loft Conversion Company in Barry
Your local expert for all building and home improvement needs. From plumbing, plastering and electrics to full kitchen and bathroom installs, general building work, landscaping, pressure washing and handyman jobs - no job too big or too small. Free quote
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Precision Carpentry and Building
Rating: 5 out of 5
Loft Conversion Company in Barry
All aspects of Carpentry and Building work undertaken. -Internal to external Carpentry Specialists. -Loft Conversions -Flat Roofs, EPDM -Fascia and soffit -Dry lining -Media Walls -Glass Balustrades -Stair case renewals and many more..
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Latest review:
Loft Conversion- 12 Jul 2026
We couldn't be happier with our new attic conversion. Drew and his team were absolutely fantastic from start to finish. The results are incredible and have completely transformed the space – the quality of workmanship is outstanding. Throughout the whole project, Drew kept us informed every step of the way, explaining what was happening and making sure we were happy with everything. The team were always punctual, professional, friendly and respectful of our home, leaving everything as clean and tidy as possible at the end of each day. Nothing was ever too much trouble, and any questions we had were answered quickly. It's clear that Drew takes great pride in his work, and the attention to detail really shows in the finished result. I would highly recommend Drew and his team to anyone considering an attic conversion or any building work. Thank you all for doing such an amazing job – we're absolutely delighted with our new space!
CJA DAVIES BUILDERS
Rating: 5 out of 5
Loft Conversion Company in Barry
WE COVER ALL ASPECTS OF BUILDING/LANDSCAPING WORK FROM PATIOS TO EXTENSIONS
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Latest review:
Landscaping- 20 Aug 2025
Great workmanship by Cenwyn and Alun. Would definatly recommend. Will be having them back for more jobs. Pays attention to detail and are very professional. Thank you lads.
Cleverly associates ltd
Rating: 4.9 out of 5
Loft Conversion Company in Barry
We are a long established family owned and run Limited company. With over 35 years experience in the building trade. We pride ourselves in our hassle free, open, honest approach where we believe we offer a competitive, professional, reliable service which is second to none.
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Latest review:
Loft Conversion- 17 Jan 2016
CAL team acted quickly and finished the job to a high standard. They are friendly and reliable people.
5 ⭐ ⭐⭐⭐⭐ Carpenters
Rating: 5 out of 5
Loft Conversion Company in Barry
18 years trade experience from floor to roof on all carpentry aspects and maintenance. standard and fire door installation, all types of floor laying, kitchen fitting, roof repairs custom built carpentry and complex roof construction with a vast portfolio of works. supply an fit available on most projects. We have your back here at 5 star and won't be disappointed. we cover Caerphilly borough and the surrounding areas. No obligation quotes available Let's put the 5 star into your property
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Latest review:
Loft Conversion- 5 Dec 2023
Dwayne and his team were absolutely amazing to work with, fantastic communication, always showed up on time, left the house immaculate when they left in the evening. All of the guys were so lovely, we've had lots of work done in the house and they were the nicest to have around. Dwayne was great to help plan what we wanted with the loft, and everything we talked about he did above and beyond what we had hoped, the finish was incredibly professional. Could not recommend Dwayne enough!
JJ CONTRACTOR SERVICES
Rating: 5 out of 5
Loft Conversion Company in Barry
Hi we are JJ contractors, we are a team of highly skilled contractors covering all aspects of building to engineering work. We have over 19 years experience in the industry with a proven track record. We have a industrial division which covers steel erecting, cladding welding and fabrication and industrial mechanical engineering support. We also have our building division where we cover all aspects of building works, renovations garden and landscaping. we are happy to help within design or help and guidance on any projects large or small. with free no obligation quotations. Fully insured and DBS checked Thanks J J team.
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Latest review:
Decking- 17 Jul 2024
Completed the job within the promised time frame and to a good standard. Very easy to communicate with and I will hire them again.

3.4

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Barry, are rated 3.4 out of 5 based on 5 reviews from customers like you.

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What services are offered by loft conversion companies in Barry?

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

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 Barry loft conversion company.

Find a loft conversion company in Barry 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 Barry.

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 Barry can view your job and register their interest.

Step 2: Review and compare Barry 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 Barry 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 Barry 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 Barry

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 Barry?

A local loft conversion company in Barry 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 Barry 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 Barry 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 Barry

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 Barry before agreeing to start the work.

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

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