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Loft conversion companies in South Kensington

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

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Some of our top rated loft conversion companies in South Kensington

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  • Loft Conversion Company in South Kensington

    At Case di Lusso, we specialise in delivering high-quality residential building projects with precision, care, and a focus on craftsmanship. As a main contractor, we manage and execute all aspects of construction — from structural work and extensions to full property refurbishments — ensuring a smooth, professional experience from start to finish. Founded by directors Gemma and Jeff, our company is built on strong values: reliability, transparency, and a commitment to excellence. We work with a trusted team of experienced tradespeople and pride ourselves on clear communication, high standards, and finishing projects on time and on budget. Whether you’re planning a home extension, a major renovation, interior alterations, or a smaller project. Case di Lusso is the dependable choice for homeowners who value quality and professionalism.

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  • Loft Conversion Company in South Kensington

    We are B&D Build with over 12 years of experience in construction and we undertake projects such as, extensions loft conversion, refurbishment etc. We operate from small to big projects so whether you are looking to expand, renovate or even just remodel you can trust the B&D build to achieve your vision. Strong client communication is our priority leading to skills and quality in every job we undertake.

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  • Polite hardworking Builders and tradesman. Friendly helping guys. Grand advice with fine eye of the final finish. Willing to go the extra mile. No job to small or big. Very honest - hands you can trust. Competitive pricing.

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  • Loft Conversion Company in South Kensington

    -extensions -lofts -roofs -flooring -tiling -painting -carpentry -electrician -demolation ​ -full refurbishment: •kitchen •barhroom •room

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  • Loft Conversion Company in South Kensington

    We are a team of builders trading from 2016

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  • Loft Conversion Company in South Kensington

    All types of construction works undertaken from ground works to complete fit out. Over 13 years experience and fairly priced, professional service and reliable builders. Based in Oxford and covering 20miles surrounding areas. Contact us

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  • Loft Conversion Company in South Kensington

    "I have 15 years of experience in construction and renovations, working on both new builds and full residential refurbishments. I am highly skilled in tiling, flooring (wood), plastering, basic electrics, painting, furniture assembly, and plumbing. This is a trade I have always been passionate about, and I take great pride in delivering high-quality work with attention to detail."If you are looking for fast and efficient work in painting, decorating, furniture assembly, cleaning, and interior organization, it would be a pleasure to help you."

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  • Loft Conversion Company in South Kensington

    Our experience allows us to be efficient and effective.We specialise in Extension, Loft Conversion, Renovation, Electric, Plumbing, Kitchens, Bathrooms, Plastering and Rendering, Painting and Decorating, and this allows us to transform any part of your home into the vision you have for it and this is what gives us the passion for what we do! You can find us on Google Instagram or Facebook.

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  • Loft Conversion Company in South Kensington

    Walter Weir Ltd - established as a design and build contractor for the highest specification projects in residential and commercial developments in London & The South East. Our team of skilled tradesman, project managers & architects cover all scope of works within construction, who are experienced professionals, making the dream a reality for every client. We believe in cementing lasting relationships with clients & this can only be achieved by maintaining a constantly high standard of work.

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  • Loft Conversion Company in South Kensington

    …

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  • Loft Conversion Company in South Kensington

    Hello, we are a small business that specialise in spray foam removal, we deal with both private and commercial properties of all sizes. Please contact for a quote as soon as possible as possible.

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  • Loft Conversion Company in South Kensington

    Hi, I'm the director of SLL PrimeBuild Ltd, a reliable local building company based in North London / Haringey. I have over 10 years of hands-on experience in the trade — working as a self-employed builder and for established companies — delivering high-quality work across residential projects. We specialise in: ✅ Loft conversions & house extensions ✅ Full renovations & refurbishments ✅ Kitchens & bathrooms ✅ Roofing, brickwork & repointing ✅ General property maintenance & repairs Fully insured, reliable, and detail-focused. We provide free written quotes and keep clients updated at every step. Send me a message — I look forward to hearing from you!

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  • Loft Conversion Company in South Kensington

    We provide Design & Build services. Planning application drawings and structural calculations, project management and construction service. ​ Our builders are all experienced in new build, extension, loft conversion and interior alterations.

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  • Loft Conversion Company in South Kensington

    Hi Here at redwoods we are a team of 12 architects working will help you with manly residential projects like basements, extension, dormers, aditinal story, flat conversions etc We are very familiar with the planning policies which we will be able to advise you beforehand what we belive is achievable to get permission

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  • Loft Conversion Company in South Kensington

    I am a time served city and guilds carpenter & joiner with over 25 years experience. I have worked in all aspects of construction over the years from major commercial sites to smaller private work. Experienced in Working with and a good understanding of other trades.

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  • Loft Conversion Company in South Kensington

    At Erigo Design & Build, we specialise in high-quality residential construction, home extensions and complete property renovations across London and Hertfordshire. Our services include rear and side extensions, loft conversions, full house refurbishments, kitchen and bathroom renovations, garage conversions and property transformations. We manage projects from initial planning through to completion, coordinating the different trades and working closely with architects, structural engineers and building control where required. Whether you’re looking to create more living space, modernise your home or transform an investment property, our focus is on quality workmanship, clear communication and attention to detail. We take pride in understanding each client’s vision and delivering practical, well-finished spaces that add comfort, functionality and long-term value to their property. Erigo Design & Build – Built Around Your Vision.

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4.6

Top rated Loft Conversion Companies

Our Loft Conversion Companies in South Kensington, are rated 4.6 out of 5 based on 11 reviews from customers like you.

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What services are offered by loft conversion companies in South Kensington?

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

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 South Kensington loft conversion company.

Find a loft conversion company in South Kensington 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 South Kensington.

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 South Kensington can view your job and register their interest.

Step 2: Review and compare South Kensington 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 South Kensington 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 South Kensington 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 South Kensington

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 South Kensington?

A local loft conversion company in South Kensington 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 South Kensington 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 South Kensington 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 South Kensington

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 South Kensington before agreeing to start the work.

Do I need planning permission for a loft conversion in South Kensington?

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

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