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

Loft Conversion Companies in South Hampstead

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

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 South Hampstead

1820 Results

Sort by:

  • Loft Conversion Company in South Hampstead

    We are a team that renovate houses into homes at a fair price without compromising on quality. We treat our projects as our own home and deliver the projects to excellent standards within time, quality and cost.

    Get in touch
  • Here at white oak carpentry & building LTD we are not just specialists in carpentry we also offer a wide range of building services stretching from your small jobs all the way to complete new builds. Please don’t hesitate to contact us to speak in more depth about our services.

    Get in touch
  • Loft Conversion Company in South Hampstead

    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 South Hampstead

    Carpenter. Hihg job standard

    Get in touch
  • Loft Conversion Company in South Hampstead

    Loft conversion, extension and refurbishment specialist.

    Get in touch
  • Loft Conversion Company in South Hampstead

    Hi there, I have over 20 years experience in building extensions, landscaping and bathroom refurbishments.

    Get in touch
  • Loft Conversion Company in South Hampstead

    From new builds to full renovations thats what we do. We design, we build we maintain.

    Get in touch
  • Loft Conversion Company in South Hampstead

    Loftnix Developments is a trusted, London-based construction company specializing in high-quality loft conversions, home extensions, and full property refurbishments. With over a decade of hands-on experience, we take pride in turning ordinary spaces into extraordinary living environments. From concept to completion, we manage every detail of your project with precision, professionalism, and a personal touch. Our team is committed to delivering work that is not only structurally sound but beautifully finished on time and within budget. Whether you're looking to create a new bedroom in your loft, expand your kitchen, or completely renovate your home, Loftnix Developments brings the craftsmanship, care, and expertise to bring your vision to life. We serve clients across North and Greater London, and our reputation is built on word-of-mouth, repeat business, and high client satisfaction. Get in touch today for a free, no-obligation quote and discover how we can help you maximize the potential of your home.

    Get in touch
  • Loft Conversion Company in South Hampstead

    ProjectSmart Loft Solutions Ltd specialises in raised loft boarding, loft conversions and loft insulation. We provide a free survey and quotation for all our services and are experienced in full project management. Our team pride themselves on our skills in transforming spaces into useable and liveable areas. We can advise you on your energy efficiency in your loft by insulating to industry standards. We offer competitive pricing and a professional efficient service. We have over 20 years of experience in the home services industry. Professional and friendly service from start to finish. We pride ourselves on our quality of work, organisation and customer service. ProjectSmart Ltd is 5 star rated on Google, giving our potential clients peace of mind that you are in safe hands with us!

    Get in touch
  • Loft Conversion Company in South Hampstead

    We are a reliable and experienced building company specialising in home extensions, renovations and structural alterations. From foundations and drainage through to roofing, plastering and final finishes, we manage projects from start to completion with a focus on quality workmanship and clear communication.

    Get in touch
  • Loft Conversion Company in South Hampstead

    I am an experienced builder providing both handyman services and larger building works. My background includes loft conversions, extensions, and full property renovations, with hands-on experience from strip-out and structural work through to plasterboarding and finishing. I currently work within a construction team delivering a wide range of internal and external building projects, which gives me strong practical knowledge across multiple trades. Alongside larger jobs, I also take on general home repairs and maintenance, including furniture assembly, TV mounting, door and lock repairs, plumbing fixture replacements, sealing, and other household tasks. I’m happy to help with both small jobs and more time-consuming projects. I am reliable, tidy, and focused on delivering quality workmanship. For bigger jobs, I can arrange additional skilled help if needed to complete the work efficiently and to a high standard.

    Get in touch
  • Loft Conversion Company in South Hampstead

    We are a family run building company, established in the year 2000. Our prices have always been found to be very reasonable and most of our work has been from word of mouth without the need to advertise. The majority of our work has been the conversion of houses into flats, but we have also undertaken numerous new builds, extensions and loft conversions. All our work is fully guaranteed and insured for all liabilities.

    Get in touch
  • Loft Conversion Company in South Hampstead

    At Andel Construction Ltd we have professionals with over 25 years of experience that specialise in extensions, loft conversions, plumbing and electrical works, roofing, painting and decorating. We look forward to working with you.

    Get in touch
  • Loft Conversion Company in South Hampstead

    Kallides-Sons is a trusted design and build company based in South Ruislip, proudly serving clients across the surrounding areas. We offer a wide range of bespoke services designed to transform both the interior and exterior of your home with precision, creativity, and care. Every project we undertake is tailored to reflect your unique vision, combining functionality, beauty, and lasting quality Our expertise covers full refurbishments, kitchen and bathroom makeovers, home extensions, and detailed interior craftsmanship. Inside the home, we specialise in custom furniture, bespoke cabinetry, and fine woodwork, creating elegant and practical spaces that blend seamlessly with your lifestyle. Each piece of furniture and joinery is handcrafted to order, using premium materials and traditional techniques to ensure timeless appeal and exceptional durability. From concept to completion, our team works closely with you, offering expert guidance and creative insight to achieve results that exceed expectations. Beyond interiors, Kallides-Sons is equally passionate about enhancing outdoor living. We design and build patios, decks, and bespoke garden structures that extend your home’s living space and create beautiful, functional environment

    Get in touch
  • Loft Conversion Company in South Hampstead

    From scratch to finish. We take all trades with excellent work quality at affordable price

    Get in touch

4.4

Top rated Loft Conversion Companies

Our Loft Conversion Companies in South Hampstead, are rated 4.4 out of 5 based on 11 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 South Hampstead?

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

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 Hampstead loft conversion company.

Find a loft conversion company in South Hampstead 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 Hampstead.

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 Hampstead can view your job and register their interest.

Step 2: Review and compare South Hampstead 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 Hampstead 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 Hampstead 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 Hampstead

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 Hampstead?

A local loft conversion company in South Hampstead 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 Hampstead 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 Hampstead 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 Hampstead

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 Hampstead before agreeing to start the work.

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

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

Other tradespeople in South Hampstead

Cities