Describe your job with details to view a tailored list of tradespeople.
Post your job

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.

How it works

Post your job for free

Post your job for free

Tell us about your job, and we’ll alert suitable tradespeople in your area. It’s simple and free.

Tradespeople respond

Tradespeople respond

Once your job is posted, you’ll get responses from interested tradespeople through the website.

Review profiles and choose

Review profiles and choose

Browse profiles, work history, and feedback, then choose who you wish to share your details with.

Some of our top rated loft conversion companies in Knightsbridge

1820 Results

Sort by:

  • Loft Conversion Company in Knightsbridge

    Fixed price – what’s included Planning Drawings when required undertaken by ourselves A contract that protects you All works undertaken to Building Regulations and above Always on-site until we complete your conversion High quality of work – ask and see our past Clients conversions No unnecessary deposits £5M insurance Dust Control Management What is different, is that 11 years ago we set out to specifically offer a quality service to all.

    Get in touch
  • Loft Conversion Company in Knightsbridge

    it's our family business.we do new build, rear and side extension,loft conversion and renovations, we have 16 years of experience in this trade of business.

    Get in touch
  • Loft Conversion Company in Knightsbridge

    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.

    Get in touch
  • Loft Conversion Company in Knightsbridge

    McKees Design & Build is a family run business with over 25 years experience in creating beautiful functional spaces that you will enjoy for years to come. Our dedicated team specialises in a wide range of services, including kitchen and bathroom refurbishments, stunning extensions, and seamless garage and loft conversions. We also offer expert painting and decorating as well as outdoor services like paving and fencing. We take pride in our attention to detail and dedication to customer satisfaction, ensuring a smooth and enjoyable refurbishment process from start to finish.

    Get in touch
  • Loft Conversion Company in Knightsbridge

    Avbase Building Services is an award-winning family business with over 24 years' experience in the building trade. We operate in and around Surrey, Sussex, London, and areas within the M25 circular. We cover all aspects of building to include extensions , complete house renovations, kitchen and bathroom fitting, open-plan living areas, garage conversions from start to finish, including wall knock-through, steel work, brick work, electrical work, tiling, plumbing, plastering, carpentry, and decorating. With a team of highly skilled builders and building trade specialists, our expert knowledge and project management skills, we ensure that all our clients receive an excellent level of service during their journey to the perfect home of their dreams. Nick

    Get in touch
  • Loft Conversion Company in Knightsbridge

    A local trades man who takes pride and care in my work. Been doing this 20 Years. Still look forward to new challenges

    Get in touch
  • Loft Conversion Company in Knightsbridge

    NK Carpentry At NK Carpentry, we bring over 20 years of professional experience to every project, ensuring the highest level of detail and craftsmanship in all aspects of carpentry, joinery, and handyman services. Our fully qualified team specializes in: - Installing doors and fire doors - Kitchen fitting - Crafting bespoke wardrobes and cabinets - Building stud walls - Laying all types of flooring - Constructing timber roofs - Handling various handyman tasks - Performing any other carpentry works As a company owner, I take pride in leading a team that is fully insured and committed to excellence. Our strong labor connections and excellent client relationships ensure projects run smoothly, resulting in repeat business and satisfied customers. Contact us today to discuss how we can bring your carpentry and handyman projects to life with precision and care.

    Get in touch
  • Loft Conversion Company in Knightsbridge

    At Cedarwood Construction we take pride in every job we take on, ensuring our customers are happy with the final product. Bringing the customers vision to life, whether it’s a new dream kitchen or the always necessary extra space a loft conversion brings is made a reality with great communication and a strong knowledge of the jobs being carried out. We have extensive experience in the trades and a network of trades people we can always rely on. So you can be confident, hiring us for your next building project, is the right choice.

    Get in touch
  • Loft Conversion Company in Knightsbridge

    If you’re looking for professional builders, make DSJ Build your first choice. We provide a professional, reliable and transparent service. We serve throughout London and the surrounding areas. We have over 30 years of experience in the building industry.

    Get in touch
  • Loft Conversion Company in Knightsbridge

    RM Artdeco is a reliable and highly professional building company with a strong reputation across London and the surrounding areas. Most of our work comes through repeat customers and client recommendations, which reflects the quality, honesty and care we put into every project. We specialise in extensions, refurbishments, loft conversions, painting & decorating, patios, brickwork, insulation, carpentry, tiling, roofing, and all general building work. No matter the size of the job, we deliver clean, tidy and friendly service with excellent communication throughout. Our aim is simple: ✔ Provide high-quality workmanship ✔ Finish on time and within budget ✔ Make the building process smooth and stress-free for the customer We take pride in our work, treat every home with respect, and always ensure our clients are 100% satisfied before we leave.

    Get in touch
  • Loft Conversion Company in Knightsbridge

    Hi, I’m Cameron, a qualified carpenter with over 10 years of experience in the trade. I started working in carpentry at 16 and hold Level 1 & 2 Diplomas in Carpentry. My experience includes everything from fitted wardrobes and loft conversions to ground floor extensions. I’ve worked across both 1st and 2nd fix carpentry and spent a few years installing interior window shutters, so I understand the importance of precision and a quality finish in every part of the job. I take pride in being reliable, easy to work with, and committed to delivering high standard work that meets your needs. Whether it’s a small job or a bigger project, I’m here to help make it happen properly and professionally.

    Get in touch
  • Loft Conversion Company in Knightsbridge

    I am professional builder with an experience of 17 years in the building industry and track record of successful projects . I am committed to deliver high standard of quality work which is completed on agreed time scale within the given budget. Starting from beginning till end, customers satisfaction is my priority , which is why I am able to turn visions into reality. You can really on us as our core values are- strong foundations, beautiful designs and lasting value. My vision as a builder is to build the dream house for my customers, so you can trust us in bringing architectural visions to life. You can rely us on as we do cater the needs of our customers, provide attention to every aspect and complete the work to high standards. We do discuss each step of the work with the customer and build a long lasting relationship with customers.

    Get in touch
  • Loft Conversion Company in Knightsbridge

    Our business mainly offers loft conversion services however we do offer alternative building and finishing works such as door hanging, bespoke wardrobes, fitted units and other general carpentry works. Personally I have worked as a qualified carpenter for over 30 years. My experience ranges from loft conversions, 1st and 2nd fixing and bespoke joinery.

    Get in touch
  • Loft Conversion Company in Knightsbridge

    We are small group of skilled workers with long experience and necesary construction education. Operating mostly in domestic construction, covering full range of interior and exterior home refurbishments, extentions, loft conversions.

    Get in touch
  • Loft Conversion Company in Knightsbridge

    Elite Building is your local construction company specializing in home extensions, internal renovations, and general building projects. With over 30 years of experience, we have built a solid reputation for quality, craftsmanship, and customer satisfaction within our community. Our team of skilled builders, architects, and project managers work together to bring your vision to life, whether it's a small internal renovation or a comprehensive home renovation. Our Services Home Extensions: Custom-designed extensions that seamlessly integrate with your home. Internal Renovations: Kitchen remodels, bathroom upgrades, and complete interior makeovers. General Building Projects: New constructions, renovations, and refurbishments. Custom Design and Build: Bespoke projects reflecting your personal style and requirements. Project Management: Ensuring timelines, budgets, and quality standards are met.

    Get in touch
  • Loft Conversion Company in Knightsbridge

    Try me

    Get in touch

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.

Quality screening

Easily find verified local tradespeople. Just post your job to get quotes from tradespeople near you across the UK.

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.

Other tradespeople in Knightsbridge

Cities