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Loft Conversion Companies in Lewes

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

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Some of our top rated loft conversion companies in Lewes

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  • Loft Conversion Company in Lewes

    A well established carpentry construction and garden room business that produces quality work and maintains great relationships with clients before, throughout and after a project is completed.

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  • Loft Conversion Company in Lewes

    I’m a level 2 qualified carpenter with 7+ years experience working for other companies. Over the years I have done various carpentry work both 1st fix and 2nd fix

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  • Loft Conversion Company in Lewes

    Sussex Crafted Solution Ltd provides carpentry, painting & decorating, and fire door works across Brighton & Sussex. We carry out a wide range of work including internal and external decorating, door installations, frame repairs, finish carpentry, and general property improvements and renovation works. We also undertake fire door installation and maintenance, along with basic fire stopping works where required. All work is completed to a high standard with attention to detail, clean finishes, and clear communication throughout. We work with homeowners, landlords and managing agents, delivering reliable and professional service on every project.

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  • Loft Conversion Company in Lewes

    Hi all! We are highly experienced carpenters based in Brighton and hove. We cover all aspects of carpentry ranging from small jobs to loft conversions and extensions!

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  • Loft Conversion Company in Lewes

    We are a construction company based in Brighton who can carry out all elements of building work focusing on home extensions & refurbishments. We pride ourselves on providing detailed quotations, scope of works, programs and giving cost certainty to our clients before any work starts.

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  • Loft Conversion Company in Lewes

    1st and 2nd fix carpenter who has a eye for detail! I do all aspects of carpentry but I specialise in the finishing side of the wood work, I love my job and take great pride in my work. I’ve been a carpenter for 9 years, mainly on loft and extensions and have done a few years on new build houses. I am full qualified with NVQ and diploma, I also have my own transport with all 110v tools and a cscs card.

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  • Loft Conversion Company in Lewes

    We are Rose Carpentry, a family run buisness founded by Mark Rose. Marks dad Paul, passed on his skills to brothers Mark and Ashley who work together to provide a turnkey carpentry and building service. We offer workshop based joinery and general Carpentry across Sussex and beyond.

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  • Loft Conversion Company in Lewes

    All aspects of carpentry & Joinery, I have the expertise, ability and confidence to tackle any carpentry work from first fixing right through to finish work.

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  • Loft Conversion Company in Lewes

    Welcome to Boulai Group Construction—where quality meets professionalism. We specialise in painting, decorating, and property improvements, always delivering a high-end finish with attention to detail. Whether it is a single room refresh or a full property project, we treat every job with care, reliability, and respect for your home. Backed by the ambition of the wider Boulai Group, we bring premium standards to every project, big or small.

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  • Loft Conversion Company in Lewes

    Experienced builder specialising in project management for large-scale jobs, with a proven track record of delivering projects on time and to budget. I also personally undertake smaller domestic works—everything from extensions and loft conversions to kitchens, bathrooms and full refurbishments—either on my own or with a trusted small team. Quality workmanship, clear communication and reliability are at the heart of everything I do. Happy to provide references and discuss your project in detail.

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  • Loft Conversion Company in Lewes

    Here at J.C.C we are a father and son team specialising in open plan living, extentions, loft conversions, house/flat refurbishments, kitchens, UPVC windows and doors, Bi-folds and so much more! Turning your property into a home! Find us on Facebook “Joslin carpentry and construction”

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  • Loft Conversion Company in Lewes

    Hi

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  • Loft Conversion Company in Lewes

    We are a Bricklayer and a Carpenter that came together 7 years ago to create Nest Builders. Combined we have experience in the trade that spans across 44 years. We first met as 11 year old boys and quickly formed a friendship. Nest Builders undertakes all aspects of building and carpentry. We have many project's under our belt, ranging from a brick wall to a whole new house. No project is too big or too small. We pride ourselves on the work we do, we treat each job as if it were our own homes and are likely the cleanest builders you’ll come across. Please do contact us so that we can help make your building visions come to life.

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  • Loft Conversion Company in Lewes

    Experienced builder and carpenter undertaking all aspects of building work, including new builds, extensions and renovations.
Strong background in structural carpentry and oak frame construction, with all work completed from the ground up. * New builds & extensions * Structural and finish carpentry * Oak frame buildings & traditional construction * Reliable, hard-working and detail focused * Excellent craftsmanship throughout I take pride in delivering high-quality work to a professional standard on projects of all sizes.

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  • Loft Conversion Company in Lewes

    I am a chartered Architect ARB RIBA with nearly a decade in the industry. Specialist on loft conversions, extensions, new builds, interior design, refurbishment and listed building consents. I founded my own company Studio GRIT. Through Studio GRIT, I work closely with clients, contractors, and consultants to ensure every design is not only beautiful but buildable — offering a collaborative, visual, and hands-on approach that makes architecture accessible and exciting at every stage.

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Top rated Loft Conversion Companies

Our Loft Conversion Companies in Lewes, are rated 5 out of 5 based on 1 review from customers like you.

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What services are offered by loft conversion companies in Lewes?

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

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 Lewes loft conversion company.

Find a loft conversion company in Lewes 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 Lewes.

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 Lewes can view your job and register their interest.

Step 2: Review and compare Lewes 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 Lewes 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 Lewes 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 Lewes

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 Lewes?

A local loft conversion company in Lewes 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 Lewes 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 Lewes 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 Lewes

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 Lewes before agreeing to start the work.

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

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

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