Loft conversion companies in Barking

Name: Loft Conversion Company
Brand: MyBuilder
SKU: loft-conversion-company
Rating: 5 (4 reviews)

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Some of our top rated loft conversion companies in Barking

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Mantac Building and Roofing
Rating: 4 out of 5
Loft Conversion Company in Barking
Medium sized family company taking on both small and large project across London and the South East.
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Latest review:
Extensions- 17 Aug 2026
I had a very poor experience with this contractor and would strongly advise potential customers to be cautious before paying substantial sums in advance. I paid £3,672 by bank transfer following an invoice for the supply of structural steelwork. There were significant delays and communication issues, and the steel was not supplied to me as agreed. After giving him opportunities and clear deadlines to resolve the situation, I terminated the agreement and had to make alternative arrangements to keep my project moving. Most concerningly, despite my requests, the £3,672 I paid has still not been refunded as of the date of this review, and I am now pursuing the matter formally. Based on my experience, I cannot recommend this contractor. I would advise anyone considering using his services to be extremely cautious about making advance payments. I will update this review if my £3,672 is returned.
Thor Builders
Rating: 5 out of 5
Loft Conversion Company in Barking
Thor builders ltd is a father and son building company. Time served builders. We cover all aspects of building and landscaping. Reliable and honest builders. Thanks.
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Latest review:
Plastering- 28 Dec 2021
Professional from start of job to finish. Arranged time and date to view job for quote and advised when he was running a bit late, gave quote next day for job and available date. Arrived on time on date of job and protected hallway, stairs and landing. Worked very quickly and efficiently and cleared up after himself. Would definitely use again. Very happy with finished plastering.
Vardaan construction company ltd
No reviews yet
Loft Conversion Company in Barking
We are based in east London we don't have reviews because we are new to my builder but we are doing building work from last 17 years.
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Sks builders construction ltd
No reviews yet
Loft Conversion Company in Barking
Hi my plaster experience is 12 year
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Su Su Construction Limited
Rating: 5 out of 5
Loft Conversion Company in Barking
Welcome to Susu Construction: Your Premier London Construction Partner Are you searching for a London construction company that stands out for its excellence, commitment, and innovation? Look no further than Susu Construction, your go-to choice for top-notch construction solutions in the bustling capital of London.
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Latest review:
Groundwork & Foundations- 2 Dec 2022
We are very happy and glad to have found Su Su Construction. It is great to work with such an open minded contractor who is very experienced and diligent. To us architects it is really important to be able to explore alternative means of construction in order to create long lasting, beautiful and healthy environments and with SuSu we are on the right track. Highly recommend.
S.W Anderson & Son
Rating: 5 out of 5
Loft Conversion Company in Barking
We have carried out many projects including extensions, loft conversions, full house refurbs, renovation & alterations, rendering, plastering and pebbledashing.
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Latest review:
Bathroom Fitting- 17 Feb 2020
What a fabulous new shower i have thank you. i am that impressed with Paul's work that he is coming back to complete my kitchen next.... Thank you Paul outstanding job!!!
LEBELLE HERITAGE & RESTORATION LTD
Rating: 5 out of 5
Loft Conversion Company in Barking
Lebelle Heritage & Restoration Lebelle Heritage & Restoration is a professional building and construction company specialising in renovations, refurbishments, and heritage restoration. We take on all types of projects, from full property renovations and structural upgrades to detailed interior finishes and the careful restoration of period features. Our team is skilled in both traditional craftsmanship and modern construction methods, allowing us to deliver work that is reliable, high-quality, and built to last. Whether we’re restoring the character of an older property or breathing new life into a modern home, we focus on precision, honesty, and clear communication throughout every stage of the job. We pride ourselves on delivering clean, efficient, and well-executed work that meets the needs of our clients and respects the integrity of each building. At Lebelle Heritage & Restoration, we build, renovate, refurbish, and restore with a commitment to quality and long-term durability.
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Latest review:
After a previous contractor took our money and left our loft extension unfinished, we were devastated and worried about how we would ever get our home back to normal. Then Lewis from Lebelle stepped in and completely turned things around. Lewis was patient, understanding, and incredibly professional. He worked quickly, kept costs under control, and finished the loft extension to a standard we’re so happy with. The stress he took off our shoulders was unbelievable. We honestly can’t thank Lewis enough. If you’re looking for someone trustworthy, skilled, and genuinely caring, Lebelle is the company to call.
Sidhu Construction (U.K.) ltd
No reviews yet
Loft Conversion Company in Barking
Hello, I started this business with a view to providing a stress free service after seeing friends and family basically being ripped off by builders. We will quote you fairly, and work around your needs and requirements. We have multiple years of experience and can tackle all and any job. Personally, I have always loved the transformation & working with people to achieve whatever their property goals maybe. Whilst Loft conversions, rear Extensions, full refurbishments of residential property is what my teams are specialist at, we can do so much more. We will be competitively priced and we will complete your work as our own. Please feel free to contact us for an estimate. Regards Raj
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H&J Properties 02 Ltd
Rating: 5 out of 5
Loft Conversion Company in Barking
H&J Properties is your friendly, reliable small team with over 10 years of experience in the building industry. We design, plan, build, and project manage, so you can rely on us for a full round of service. From floor and wall tiling to full kitchen and bathroom installations, we’ve got your home covered. We handle plastering, painting, drylining, insulation, and more with precision and pride. Need a loft, rear or basement extension, a new roof, or concrete work? No problem. Whether it’s bricklaying, basement waterproofing, or installing windows and doors, we bring craftsmanship and care to every job. Big or small, we build it right. Please message us directly for more project images.
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Latest review:
We have contracted H&J Properties for our house refurbishment in London. I was impressed with the team's professionalism and project management from start to finish. We had no plans or planning approved, so we wanted a design and build company who will be able to look after the project from start to finish. They did just that. Working with the architects and the planning application before starting the project planning. As always, there are, of course, unforeseen issues arising with the old houses in london but I could't be happier with the communication received from the team. Thanks for the great job.
Inspire Construction Solution LTD
Rating: 5 out of 5
Loft Conversion Company in Barking
We specialise in Loft conversion, House extension and all kinds of buildings works
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Latest review:
We did a lot of research ahead of our loft build, and spoke to customers of the companies we looked at. We were impressed with Toma and her team from the outset, especially in terms of clarity and communication. We sat down with the project team at the start and walked through the week-by-week plan for our build, then a whatsapp group and weekly meets meant we knew exactly what was happening throughout. Our endless questions were responded to swiftly. Additional optional trade-ups (eg top-hung windows, larger bathroom window etc) were discussed and explained with context, sound advice (and clear pricing where nec) but always still optional. Toma's communication with the teams also seemed strong and continuous, with materials always arriving in time and ahead of when needed, no down-days etc - and importantly, the teams all seemed happy and were just lovely people to have around. I realise with hindsight too that the team's care and workmanship really put them a cut above many others in my area and the project remained on schedule. I wouldn't hesitate to recommend ICS for the whole package and in fact we've also chosen to use them again for a kitchen extension.
Vb development
No reviews yet
Loft Conversion Company in Barking
VB development here to make your dream house.
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IVD Construction Ltd
No reviews yet
Loft Conversion Company in Barking
Hello, I’ve been in the construction business for more than 13 years. I’ve been doing high end projects including basement excavation works, new roofs, extensions, full internal renovations, plumbing and electrical works, etc. My company works with high skilled professionals to satisfy all customer needs.
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J.V.G (London) Ltd
No reviews yet
Loft Conversion Company in Barking
We are JVG London Ltd a specialist team providing high performance building solutions and interior finishes throughout London and the surrounding areas. We provide expert installation of external and internal wall insulation systems that maximize thermal efficiency and protect your property. By utilizing advanced silicone rendering and professional plastering techniques we ensure every project achieves a durable and weather resistant finish. We are dedicated to craftsmanship and technical precision helping homeowners and businesses create energy efficient environments. Every installation is handled by our experienced specialists who prioritize structural integrity and a mirror smooth aesthetic. Through our commitment to transparent service and quality materials we maintain a reputation for excellence in the trade industry.
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RMG Building
Rating: 5 out of 5
Loft Conversion Company in Barking
Rmg building is a small run family business which offers a wide range of building services from home extensions to loft conversions, brickwork carpentry and driveways. I became a Labourer for a local building firm when I was 18. Then went to college and passed bricklaying nvq’s. I had a building company with a partner for 9 years then started up my own company 2 years ago.
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Latest review:
Loft Conversion- 26 May 2020
Great job done thankyou!!
PLANNING APP LTD
Rating: 5 out of 5
Loft Conversion Company in Barking
We create architectural drawings. We are specialised in applications for planning permission and building regulations and co-operate with local structural engineers for structural calculations, party wall surveyors and building companies. Our projects include extensions, lofts, garages, house&flat conversions in different councils all around London. If you are thinking of extending, converting, or splitting your property do not hesitate to contact us for a free first consultation & quotation.
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Latest review:
CAD / Drawings- 23 Sep 2020
Marius has been doing a great job and put in an extra effort to ensure we were happy with the outcome. I can not recommend Marius highly enough, especially as he managed to fix an issue with the council that we had from someone else drawings. He was patient and very well prepared. Went an extra mile and gave us different ideas/options. He was flexible with timings and most importantly with price. Had by far the best quote and did an exceptional job.
TNK CONSTRUCTION LTD
Rating: 5 out of 5
Loft Conversion Company in Barking
Experienced quality builders. You can rely on us to complete your project weather it’s a straight forward small job or a complicated bigger project with attention to detail.
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Latest review:
Conversions - General- 6 Dec 2024
Amazing builders. Very knowledgeable of building methods and solutions. Very strong and tough guys. Work really hard. Very courteous and patient. Very good results. They replaced a ceiling; built an extension; laid paving stones. All done to complete satisfaction.

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Barking, are rated 5 out of 5 based on 4 reviews from customers like you.

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What services are offered by loft conversion companies in Barking?

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

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 Barking loft conversion company.

Find a loft conversion company in Barking 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 Barking.

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 Barking can view your job and register their interest.

Step 2: Review and compare Barking 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 Barking 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 Barking 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 Barking

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 Barking?

A local loft conversion company in Barking 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 Barking 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 Barking 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 Barking

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 Barking before agreeing to start the work.

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

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