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Loft Conversion Companies in South London

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

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Some of our top rated loft conversion companies in South London

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  • Loft Conversion Company in South London

    4+ years Building Control and Planning experience. Building Control and Planning Applications, Architectural Drawings, Extensions and Loft Conversions etc. I provide all architectural and engineering services for home developments such as loft conversions and extensions. We are regularly working with all the all council in London and have expert knowledge of Building Regulations. Completion of drawings for planning permission, building regulations.

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  • Loft Conversion Company in South London

    Hi my name is Iqbal I can do any type of home improvement building work with genuine cost and good work

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  • Loft Conversion Company in South London

    I fit loft boarding and ladder systems in peoples homes.

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  • Loft Conversion Company in South London

    We are a trusted and reliable building services company, offering a wide range of construction and renovation solutions. With our expertise and commitment to quality, we deliver satisfactory results for all types of building works Our building company boasts a remarkable 12-year track record in delivering exceptional building services. With a wealth of experience under our belt, we have honed our skills and expertise to provide top-notch construction solutions. Throughout the years, we have successfully completed numerous projects, ranging from residential properties to commercial developments. Our commitment to quality and attention to detail has earned us a stellar reputation in the industry. Clients can trust in our ability to deliver projects on time and within budget, while ensuring the highest standards of craftsmanship. From start to finish, our team of skilled professionals work diligently to bring our clients' visions to life. With our extensive knowledge and proven experience, we are the go-to choice for any building project.

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  • Loft Conversion Company in South London

    Hello my name is Max I am a builder with over 20 years experience across London and other areas on a wide range of projects from small home improvements to large scale renovations No job is too small or too big I approach every project with the same attention to detail,making sure customers are 100% satisfied either way the work I do If you’re looking for a trustworthy builder who will listen and deliver results you can rely on,please get in touch, I’d be happy to provide a free quote!

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  • Loft Conversion Company in South London

    At Complete Carpentry we take grate pride in our work. With over 24 years experience and fully qualified tradesman, every job we undertake is compleated to the highest of standards.

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  • Loft Conversion Company in South London

    We give to customers gd quality On time finish work . My team hard work .always I try make some different way

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  • Loft Conversion Company in South London

    Trace Design & Build Ltd are a chartered RIBA architects practice and construction company that offer a full and comprehensive design and build service. We are also a GasSafe registered company offering central heating and boiler installation, service and breakdown repairs. We have an in house team of operatives covering all aspects of building work, project management and maintenance.

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  • Loft Conversion Company in South London

    We recently joined on my builder. Com but in Construction Industry working for 25 years . Currently working on new build house in High Wycombe. Got great deals on materials from my supplier so can do the project on very competitive price

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  • Loft Conversion Company in South London

    We are loft conversion specialists with over 20 years experience creating liveable rooms. We provide full project management services from design to build to completion.

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  • Loft Conversion Company in South London

    A trusted construction company for building renovations, repairs and maintenance.

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  • Loft Conversion Company in South London

    We are a construction company delivering residential building and refurbishment projects across London and Essex. With over 40 years of combined experience, we manage projects from start to finish, including planning, sourcing materials and coordinating trusted trades. Our work includes full house refurbishments, extensions, loft conversions, structural alterations and internal reconfiguration. We focus on doing the job properly, keeping sites organised and delivering a consistent standard across every stage of the build.

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  • Loft Conversion Company in South London

    We have a 20 year experience in with handling windows and doors. We are manufacturing and supply Upvc winnows, doors, aluminium windows and doors, composite doors, patio doors, conservatory. We make upvc windows in Rehau profile

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  • Loft Conversion Company in South London

    Dra-co.uk is a construction company specialising in Home Extensions, Loft Conversions, Structural alterations and Home Renovation. We provide free quotes on all our services, and working closely with local architects and engineers. We are committed to providing 100% client satisfaction, and focus on exceeding the expectations of our clients.

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  • Louis Carlsen Build and Renovation is a well regarded construction and renovation company experienced in transforming spaces with exceptional craftsmanship and attention to detail. With a team of experienced professional contractors and specialist engineers in a number of fields we offer a full range of services, from custom home builds and comprehensive renovations to external high level and ground works. Our commitment to quality, reliability, and customer satisfaction ensures that your project is completed on time, within budget, and to the highest standards. Choose Louis Carlsen Build and Renovation for unparalleled service and results that exceed expectations.

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4.4

Top rated Loft Conversion Companies

Our Loft Conversion Companies in South London, 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 South London?

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

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 London loft conversion company.

Find a loft conversion company in South London 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 London.

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 London can view your job and register their interest.

Step 2: Review and compare South London 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 London 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 London 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 London

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 London?

A local loft conversion company in South London 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 London 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 London 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 London

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 London before agreeing to start the work.

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

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

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