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Loft Conversion Companies in Knightsbridge

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

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Some of our top rated loft conversion companies in Knightsbridge

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  • Loft Conversion Company in Knightsbridge

    Onwood Carpentry & Joinery Ltd specialises in high-quality carpentry and joinery for residential projects. We carry out first and second fix carpentry, as well as build extensions, loft conversions, undertake full renovations, delivering reliable workmanship and a professional service from start to finish. We have strong experience in residential build projects, structural carpentry, including roofs, studwork, RSJs, and all aspects of internal fit-out. We take pride in precision, organisation, and attention to detail on every job. Our services include: • First & second fix carpentry • Structural carpentry • Extensions & loft conversions and new builds We understand how important trust and communication are when working in someone’s home. That’s why we are punctual, tidy, and respectful, keeping sites safe and disruption to a minimum. We aim to complete all work to a high standard, on time and within budget. If you’re looking for a dependable carpentry and joinery company that takes pride in quality workmanship, Onwood Carpentry & Joinery Ltd would be happy to help.

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  • Loft Conversion Company in Knightsbridge

    Hi, OMNI is a Latin word for all, and this is what we do: loft conversions, extensions, refurbishments, kitchens, bathrooms etc.

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  • Loft Conversion Company in Knightsbridge

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  • Loft Conversion Company in Knightsbridge

    MUSTA Building Services Ltd will provide an experienced team who'll see it right through from the design stage to completion. Whether it's your bathroom, kitchen or a whole house, we offer full building, decorating and plumbing services.

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  • Loft Conversion Company in Knightsbridge

    FAIZ Construction Ltd is a Gas Safe registered company. We are qualified gas engineers and plumbers with full public liability insurance. Our team of experienced professionals delivers high-quality workmanship, reliable service, and a commitment to getting the job done right first time. Gas services: boiler installation, servicing, repairs, and safety checks. • Plumbing: installations, repairs, bathroom and kitchen plumbing, leak detection. • Emergency call-outs: rapid response for urgent gas or plumbing issues. • Maintenance and upgrades: system improvements, energy-efficient solutions, and compliance work. Gas Safe registered engineers; fully qualified and up to date with regulations. • Public liability insurance for your peace of mind. • Workmanship guarantee — we stand behind the quality of our work and resolve issues promptly. • Professional, hardworking team with years of hands-on experience and dedication. Please feel free to ask any questions or request a free quote. We respond quickly and can provide references and proof of qualifications on request.

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  • Loft Conversion Company in Knightsbridge

    BDS is a high-end studio specialising in the Design & Build industry. We are a team of specialists designers and engineers qualifying in Architecture, Civil Engineering, Interior Design and Project Management and have years of experience in running residential and commercial projects, making sure they comply with Building Regulations, Planning Permission and local authorities.

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  • Loft Conversion Company in Knightsbridge

    I am an experienced and reliable tradesperson with a strong track record of delivering high-quality work on time and within budget. I take pride in my attention to detail, clear communication, and professional approach, ensuring every project meets the client’s expectations. Whether it’s a small repair or a large extension, I’m committed to providing honest advice, skilled craftsmanship, and a friendly service from start to finish.

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  • Loft Conversion Company in Knightsbridge

    Electric, Roofing,bathrooms,skimming

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  • Loft Conversion Company in Knightsbridge

    I have been working on building sites last 15 years as ground workers,that including all of types of work from the footings to the finish.I have decided to work for myself because I do have plenty experience. I want to enjoy myself to do some thing new and express my skills out there as the jobs required.

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  • Loft Conversion Company in Knightsbridge

    Construct Group | Design & Build We deliver premium extensions, loft conversions, refurbishments, and bespoke self-builds managing every stage under one roof for a seamless experience and nationwide reach Our process: Free consultation → Survey → Design → Planning → Building Regulations → Construction We handle everything from concept to completion, ensuring compliance, clarity on costs, and exceptional finish quality across every project. 📞 Book your free consultation today to discuss your plans and get clear next steps toward building approval.

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  • Loft Conversion Company in Knightsbridge

    This Company specialises in building unique Loft conversions, we use our skills and expertise to achieve maximum space for the customer which in turn adds value to the customers property. Other works involve extensions, kitchen fitting, doors, windows and flooring.

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  • Loft Conversion Company in Knightsbridge

    We specialise in a wide range of loft conversion types tailored to different property styles. Whether you’re considering a space-enhancing Dormer, a bright and airy Velux loft, or a full Mansard transformation, we offer bespoke solutions to suit your needs. Our expert team will guide you through every option – including Hip to Gable and L-Shaped Dormers – to find the ideal fit for your home, layout, and lifestyle goals.

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  • Loft Conversion Company in Knightsbridge

    One Solution Construction is a friendly, reliable building company based in Epsom, serving Surrey and the surrounding areas. With over 20 years of experience in the construction industry, we specialise in house extensions, full refurbishments, loft conversions, renovations, structural alterations and general building work. We take pride in delivering high-quality workmanship, clear communication and a professional service from start to finish. Whether you are extending your home, renovating a property or undertaking a complete refurbishment, our experienced team is committed to completing every project on time, within budget and to the highest standard. Customer satisfaction is at the heart of everything we do, and we work closely with our clients to ensure their vision becomes a reality. No job is too big or too small, and we offer free, no-obligation quotations.

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  • Loft Conversion Company in Knightsbridge

    HomeForge Developments Ltd provides high-quality extensions, renovations, bathrooms, kitchens and general building services across London. Reliable workmanship, professional service and attention to detail from start to finish. Built with Quality. Finished with Care.

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  • Loft Conversion Company in Knightsbridge

    Hello We are a team of professional build workers with expertise in Electrics, plumbing, ground works, landscaping and much more

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  • Loft Conversion Company in Knightsbridge

    Vincitore provides a fully comprehensive bespoke construction and renovation service for both Residential and Commercial clients in London. We provide exceptional standards and commitment to our projects. Our approach for the highest quality service is very simple – trust, competence and integrity. Vincitore Construction Ltd is a comprehensive provider of Building & Civil engineering services. Their expertise spans across various domains, including New Builds, Major Extensions, Major Refurbishment, and Property Maintenance works. Our goal is to become the top operator recognized for quality, integrity, customer support, respect for individuals, and delivering exceptional value.

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4.5

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Knightsbridge, are rated 4.5 out of 5 based on 13 reviews from customers like you.

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What services are offered by loft conversion companies in Knightsbridge?

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

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 Knightsbridge loft conversion company.

Find a loft conversion company in Knightsbridge 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 Knightsbridge.

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 Knightsbridge can view your job and register their interest.

Step 2: Review and compare Knightsbridge 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 Knightsbridge 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 Knightsbridge 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 Knightsbridge

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 Knightsbridge?

A local loft conversion company in Knightsbridge 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 Knightsbridge 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 Knightsbridge 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 Knightsbridge

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 Knightsbridge before agreeing to start the work.

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

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

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