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Loft Conversion Companies in Barnes

Easily find verified Barnes Loft Conversion Companies. Just post your job to get quotes from MyBuilder's Loft Conversion Companies in Barnes.

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Some of our top rated loft conversion companies in Barnes

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  • Loft Conversion Company in Barnes

    Hartley Services provide professional care in assisting and carrying out the required needs to fulfill your desired outcome from thoughts to plans to reality. With pride ourselves with over 2 decades of experience which is passed onto your projects.

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  • Loft Conversion Company in Barnes

    I'm hard worker and trying to client be happy

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  • Loft Conversion Company in Barnes

    Hi, Nikorem Construction Ltd is a company that is doing: extentions, full refurbishment , kitchens ,bathrooms....with 22 years experience .

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  • Loft Conversion Company in Barnes

    .

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  • Loft Conversion Company in Barnes

    COLLAKU LONDON LIMITED is a London-based construction company delivering reliable,compliant,and high-quality building services across London and the surrounding areas.We specialised in RC slabs,groundworks,foundations,new builds,loft conversions, and home extensions. We provide homeowners,developers,and commercial clients with trustworthy construction partners across London and throughout the Uk.

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  • Hi I'm 10 years experience carpenter specialising in lofts roof windows flat roof windows loft ladders loft boarding and shelves and also part conversion lofts or hobby rooms

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  • Loft Conversion Company in Barnes

    We are Browns Construction, a construction company operating on residential homes in South West London and Surrey.

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  • Loft Conversion Company in Barnes

    Hi My name is Mo . I am Gas Engineer . My Registration number is 641573. Also I am Roofer . I have my own team for bathroom and kitchen and any refurbishment.

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  • Loft Conversion Company in Barnes

    Silk Road Construction is a professional building company in London that offers complete solutions when you have a need to design and build a facility. We are experts in working with architects, construction engineers, structural engineers, civil engineers, and interior designers in bespoke and complex projects that make great ideas realities. We are London’s choice for kitchen extensions, house extensions, home renovations, loft conversions and heating and plumbing designs or renovations.

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  • Loft Conversion Company in Barnes

    we use to do any dry-lining partitions, metsec works, loft conversions, extensions, carpentry works, tiling, suspended ceilings. We have about 10 years experience. we also do roofing works in fibre glass.

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  • Loft Conversion Company in Barnes

    WE ARE A NEW COMPANY IN THE MARKET SINCE OCT 2017 AND HAVE BEEN SUCCESSFULLY FINISHING EXTENSIONS AND REFURBISHMENT AROUND LONDON. WE UNDERTAKE THE TYPES OF WORK LISTED BELOW AND GUARANTEE THE HIGHEST STANDARD AS WELL AS TIME EFFICIENCY WHEN TAKING UP A PROJECT. OUR TEAM IS MADE UP OF SPECIALISTS AS WELL AS LABOR WHO HAVE BEEN WORKING IN THIS INDUSTRY FOR MORE THAN 5/10 YEARS. SINCE OCTOBER 2017 WE ARE ABLE TO DEMONSTRATE OUR EXCELLENT WORK VIA PICTURES AND TESTIMONIALS FROM OUR HAPPY CLIENTS.

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  • Loft Conversion Company in Barnes

    We are a highly professional team with over 40 years experience in the roofing and building trade PITCHED ROOFS FLAT ROOFS FACIA SOFFET CHIMNEY REPAIRS/REMOVAL GUTTERING LOFT CONVERSIONS DRONE SURVEYS Through the years we have built a large network of trusted trades we work closely with so we can provide you with expert advice and workmanship throughout your project and can put you in contact with proper trades people There are far to many cowboys in the roofing game and picking the right roofer can be difficult We provide a free drone service so you the customer can see exactly what we see so you have peace of mind the works being carried out are necessary and to the highest standard

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  • Loft Conversion Company in Barnes

    Carpenter/ builder with 25 years experience and a great team behind me. 1st and 2nd fix. Kitchens. Fit outs. Loft and garage conversions. Cupboards & wardrobes. Decking and garden rooms.

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  • Loft Conversion Company in Barnes

    JBL Developers is a professional residential and commercial property‑development company, fully registered at Companies House. Visit our website to explore our portfolio and services. With a focus on quality, integrity and client satisfaction, we deliver bespoke renovations, refurbishments, conversions and new builds, tailored to your vision and budget. From the initial consultation through design, planning, build and hand‑over, our experienced team manages every phase with transparent communication and attention to detail. Whether it’s transforming a single room, overhauling a full home or developing a larger project, we ensure projects are completed on time, on budget and to the highest standards. At JBL Developers we believe in building lasting relationships and creating spaces that are not only aesthetically pleasing but functional, sustainable and built to last. Get in touch at to find out how we can bring your property ambitions to life.

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  • Loft Conversion Company in Barnes

    At Tara Builders, we're passionate about building better spaces in London and the surrounding areas. We focus on quality workmanship and clear communication to ensure every project, from renovations to new builds, meets our clients' exact needs. Our goal is to help you achieve your vision, creating a space you'll love.

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  • We are a family-run building company with over 25 years’ experience, specialising in complete property renovations, extensions and loft conversions. We offer clear pricing, strong project management and high-quality workmanship from start to finish. We take full responsibility for your project, maintain a well-organised site and communicate clearly throughout. We’re always happy to discuss your plans and answer questions via MyBuilder.

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4.4

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Barnes, are rated 4.4 out of 5 based on 12 reviews from customers like you.

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What services are offered by loft conversion companies in Barnes?

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

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 Barnes loft conversion company.

Find a loft conversion company in Barnes 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 Barnes.

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 Barnes can view your job and register their interest.

Step 2: Review and compare Barnes 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 Barnes 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 Barnes 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 Barnes

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 Barnes?

A local loft conversion company in Barnes 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 Barnes 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 Barnes 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 Barnes

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 Barnes before agreeing to start the work.

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

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

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