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Loft Conversion Companies in Clapham

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Some of our top rated loft conversion companies in Clapham

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  • I am working in construction from 15 years . I have a good and experience team. I recently renovated the 3 bedroom house with a 6 meter back extension. I mostly do loft conversion, back extension, renovate the old house , back garage etc.

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  • Loft Conversion Company in Clapham

    Hi everyone My name is jass from Westldnconstruction we based in west London Our aim is to consistently deliver an excellent service to each and every customer. We provide a fair and honest approach to pricing with detailed quotations presented for your consideration, and we take the upmost pride and care in our service, ensuring you get the very best result possible.

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  • Loft Conversion Company in Clapham

    We just got ourselves registered at My Builder recently. We will be glad to provide References from most of our clients and are available upon request. Due to our volume of our existing projects, we are able to deliver at an average of 15% lower cost than the industry average on most projects through various optimisation strategies we deploy with same level of superior quality. Nirmaya Estates Limited : One stop shop for Sustainable, New Builds - Turnkey Living & Commercial Spaces constructed for the future, expert Refurbishments, Loft Conversions, Extensions, Maintenance, and Solutions for everyday needs, Landscaping, Domestic & Commercial gardens, Plant supply, Outdoor Lighting, Garden maintenance service. We have worked in key prime locations in London - St Johns Wood, Golders Green, Hampstead, Wimbledon, Fulham Etc. Other locations are Watford, Northwood, Surrey, Croydon, Dartford, Woking, Guildford, Slough, Redding, St Albans etc. Please read about our Journey Nirmaya Estates About us through our website. With over 30 years of combined massive experience in construction, real estate funding, and understanding how to reduce costs while adding more value through sustainable construction, the founders and owners of Nirmaya Estates bring unmatched expertise to every project.

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  • Loft Conversion Company in Clapham

    I'm in construction around 18 years. We can help you with small maintenance work to build new extension or loft conversion. If you need new kitchen or bathroom we can help. We working with partners who can design and manufacture joinery, bifold doors and windows.

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  • Loft Conversion Company in Clapham

    Drylining, ceilings, plasterboard works

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  • Loft Conversion Company in Clapham

    At LASTING LTD, we specialise in high-quality residential construction and full property renovations across London and the surrounding areas. With years of experience and a strong reputation for reliability, we deliver projects with exceptional craftsmanship, clear communication, and attention to every detail. Our services include complete home refurbishments, loft conversions, kitchen and bathroom installations, structural works, flooring, plumbing, heating and electrical upgrades, and all types of internal finishing. Whether it’s a single room or a full house renovation, we provide honest advice, transparent pricing, and results built to last. We take pride in working cleanly, safely, and efficiently, ensuring every project is completed to the highest standards. Most of our clients come back to us again and again — because they trust our workmanship and appreciate our professional approach. If you’re looking for a reliable contractor who delivers quality without compromise, LASTING LTD is here to help bring your project to life.

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  • Loft Conversion Company in Clapham

    We are a highly professional team with over 40 years experience in the roofing and building trade PITCHED ROOFS FLAT ROOFS FACIA SOFFET CHIMNEY REPAIRS/REMOVAL GUTTERING LOFT CONVERSIONS DRONE SURVEYS Through the years we have built a large network of trusted trades we work closely with so we can provide you with expert advice and workmanship throughout your project and can put you in contact with proper trades people There are far to many cowboys in the roofing game and picking the right roofer can be difficult We provide a free drone service so you the customer can see exactly what we see so you have peace of mind the works being carried out are necessary and to the highest standard

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  • Loft Conversion Company in Clapham

    DDR Group Ltd is a professional building and refurbishment company providing high quality construction services across London and Essex. We specialize in bathroom fitting, kitchen installations, full property refurbishments, extensions, loft conversions, roofing, decorating, carpentry, groundwork, drainage and general building works.

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  • Loft Conversion Company in Clapham

    IQSURV LTD is a RICS Regulated Firm and is a Chartered member of CIOB. The premier destination for top-quality refurbishment and construction services. With years of industry experience, we specialize in transforming spaces into stunning, functional environments. At IQSURV, we understand the significance of creating a space that reflects your unique vision while meeting specific requirements. Whether it’s a residential property, commercial space, or large-scale project, our skilled professionals are here to bring your ideas to life.

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  • Loft Conversion Company in Clapham

    Vovk Construction Limited is a reliable and professional construction company specialising in high-quality residential building services. We deliver a wide range of projects including home extensions, renovations, refurbishments, and general building work, tailored to meet each client’s needs. With a strong focus on workmanship, attention to detail, and customer satisfaction, we ensure every project is completed to the highest standards, on time and within budget. From initial planning to final finish, we provide a smooth and stress-free experience for our clients. At Vovk Construction Limited, we take pride in building lasting relationships through trust, transparency, and quality results.

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  • Loft Conversion Company in Clapham

    At Chenko Builders, we are a family-run company based in East London with many years of hands-on experience in the building trade. We specialise in loft conversions, home extensions, kitchen renovations, roofing, and full property refurbishments. Our focus is on delivering high-quality workmanship, reliable service, and honest pricing. Whether you’re looking to add space with a loft conversion, increase value with an extension, or refresh your home with a new kitchen, we provide a professional service tailored to your needs. We take pride in being a trusted local builder — always aiming to complete work on time, on budget, and to the highest standard. Free quotes and friendly advice are always available.

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  • Loft Conversion Company in Clapham

    WELCOME TO INTEGRAL BUILDERS We specialize in Extensions, Loft Conversions, Kitchens & Bathrooms for both commercial and residential projects in and around London. Our goal is to make your build as smooth and stress-free as possible. From start to finish, we handle every detail so you can sit back and relax. ABOUT US Integral Builders is a family-run business based in South London, specializing in home renovations. With over a decade of experience in renovations, refurbishments, structural work, and more, we have successfully completed projects of all sizes across London. We are passionate about our work and pride ourselves on building long-term, trusted relationships with our clients through reliability, performance, value, and client satisfaction. Our team of fully trained professionals ensures that every customer requirement is understood from the outset, allowing us to deliver the best results on time and within budget. CONTACT US Have questions or need advice? Reach out to us for a free consultation—we're available 7 days a week and always happy to help.

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  • Loft Conversion Company in Clapham

    General builder, I've worked in lofts, extensions and refurbishing

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  • When it comes to house refurbishments I know that nobody wants their home to go through all that struggle every month. Every one of us has had this bitter experience to pay the price for good quality and receive a low-quality service. Here is why I would love to offer you a complete package of quality services at your disposal and everything at a reasonable price backed by long years of experience and protected by £2M public liability insurance. Convenience and peace of mind ONE CLICK AWAY!

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  • Loft Conversion Company in Clapham

    First quality carpentry & joinery

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  • A Davies Carpentry & Joinery LTD is an established carpentry company, specialising in extensions and full refurbishments along with all aspects of carpentry and joinery. The array of skilled tradesmen employed by my business and trusted subcontractors in whom I have worked closely with over 14 + years, I complete every contract to the highest standard possible. Along with honesty and communication I work closely with my clients to ensure the most important task, customer satisfaction.

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4.4

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Clapham, are rated 4.4 out of 5 based on 11 reviews from customers like you.

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What services are offered by loft conversion companies in Clapham?

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

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 Clapham loft conversion company.

Find a loft conversion company in Clapham 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 Clapham.

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 Clapham can view your job and register their interest.

Step 2: Review and compare Clapham 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 Clapham 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 Clapham 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 Clapham

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 Clapham?

A local loft conversion company in Clapham 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 Clapham 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 Clapham 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 Clapham

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 Clapham before agreeing to start the work.

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

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

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